clk: tegra: Correct Tegra210 UTMIPLL poweron delay
[linux-block.git] / drivers / clk / tegra / clk-tegra210.c
CommitLineData
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1/*
2 * Copyright (c) 2012-2014 NVIDIA CORPORATION. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16
17#include <linux/io.h>
18#include <linux/clk.h>
19#include <linux/clk-provider.h>
20#include <linux/clkdev.h>
21#include <linux/of.h>
22#include <linux/of_address.h>
23#include <linux/delay.h>
24#include <linux/export.h>
25#include <linux/clk/tegra.h>
26#include <dt-bindings/clock/tegra210-car.h>
68d724ce 27#include <dt-bindings/reset/tegra210-car.h>
e745f992 28#include <linux/iopoll.h>
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29
30#include "clk.h"
31#include "clk-id.h"
32
33/*
34 * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register
35 * banks present in the Tegra210 CAR IP block. The banks are
36 * identified by single letters, e.g.: L, H, U, V, W, X, Y. See
37 * periph_regs[] in drivers/clk/tegra/clk.c
38 */
39#define TEGRA210_CAR_BANK_COUNT 7
40
41#define CLK_SOURCE_CSITE 0x1d4
42#define CLK_SOURCE_EMC 0x19c
43
44#define PLLC_BASE 0x80
45#define PLLC_OUT 0x84
46#define PLLC_MISC0 0x88
47#define PLLC_MISC1 0x8c
48#define PLLC_MISC2 0x5d0
49#define PLLC_MISC3 0x5d4
50
51#define PLLC2_BASE 0x4e8
52#define PLLC2_MISC0 0x4ec
53#define PLLC2_MISC1 0x4f0
54#define PLLC2_MISC2 0x4f4
55#define PLLC2_MISC3 0x4f8
56
57#define PLLC3_BASE 0x4fc
58#define PLLC3_MISC0 0x500
59#define PLLC3_MISC1 0x504
60#define PLLC3_MISC2 0x508
61#define PLLC3_MISC3 0x50c
62
63#define PLLM_BASE 0x90
6b301a05 64#define PLLM_MISC1 0x98
474f2ba2 65#define PLLM_MISC2 0x9c
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66#define PLLP_BASE 0xa0
67#define PLLP_MISC0 0xac
68#define PLLP_MISC1 0x680
69#define PLLA_BASE 0xb0
70#define PLLA_MISC0 0xbc
71#define PLLA_MISC1 0xb8
72#define PLLA_MISC2 0x5d8
73#define PLLD_BASE 0xd0
74#define PLLD_MISC0 0xdc
75#define PLLD_MISC1 0xd8
76#define PLLU_BASE 0xc0
77#define PLLU_OUTA 0xc4
78#define PLLU_MISC0 0xcc
79#define PLLU_MISC1 0xc8
80#define PLLX_BASE 0xe0
81#define PLLX_MISC0 0xe4
82#define PLLX_MISC1 0x510
83#define PLLX_MISC2 0x514
84#define PLLX_MISC3 0x518
85#define PLLX_MISC4 0x5f0
86#define PLLX_MISC5 0x5f4
87#define PLLE_BASE 0xe8
88#define PLLE_MISC0 0xec
89#define PLLD2_BASE 0x4b8
90#define PLLD2_MISC0 0x4bc
91#define PLLD2_MISC1 0x570
92#define PLLD2_MISC2 0x574
93#define PLLD2_MISC3 0x578
94#define PLLE_AUX 0x48c
95#define PLLRE_BASE 0x4c4
96#define PLLRE_MISC0 0x4c8
926655f9 97#define PLLRE_OUT1 0x4cc
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98#define PLLDP_BASE 0x590
99#define PLLDP_MISC 0x594
100
101#define PLLC4_BASE 0x5a4
102#define PLLC4_MISC0 0x5a8
103#define PLLC4_OUT 0x5e4
104#define PLLMB_BASE 0x5e8
474f2ba2 105#define PLLMB_MISC1 0x5ec
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106#define PLLA1_BASE 0x6a4
107#define PLLA1_MISC0 0x6a8
108#define PLLA1_MISC1 0x6ac
109#define PLLA1_MISC2 0x6b0
110#define PLLA1_MISC3 0x6b4
111
112#define PLLU_IDDQ_BIT 31
113#define PLLCX_IDDQ_BIT 27
114#define PLLRE_IDDQ_BIT 24
115#define PLLA_IDDQ_BIT 25
116#define PLLD_IDDQ_BIT 20
117#define PLLSS_IDDQ_BIT 18
118#define PLLM_IDDQ_BIT 5
119#define PLLMB_IDDQ_BIT 17
120#define PLLXP_IDDQ_BIT 3
121
122#define PLLCX_RESET_BIT 30
123
124#define PLL_BASE_LOCK BIT(27)
125#define PLLCX_BASE_LOCK BIT(26)
126#define PLLE_MISC_LOCK BIT(11)
127#define PLLRE_MISC_LOCK BIT(27)
128
129#define PLL_MISC_LOCK_ENABLE 18
130#define PLLC_MISC_LOCK_ENABLE 24
131#define PLLDU_MISC_LOCK_ENABLE 22
132#define PLLU_MISC_LOCK_ENABLE 29
133#define PLLE_MISC_LOCK_ENABLE 9
134#define PLLRE_MISC_LOCK_ENABLE 30
135#define PLLSS_MISC_LOCK_ENABLE 30
136#define PLLP_MISC_LOCK_ENABLE 18
137#define PLLM_MISC_LOCK_ENABLE 4
138#define PLLMB_MISC_LOCK_ENABLE 16
139#define PLLA_MISC_LOCK_ENABLE 28
140#define PLLU_MISC_LOCK_ENABLE 29
141#define PLLD_MISC_LOCK_ENABLE 18
142
143#define PLLA_SDM_DIN_MASK 0xffff
144#define PLLA_SDM_EN_MASK BIT(26)
145
146#define PLLD_SDM_EN_MASK BIT(16)
147
148#define PLLD2_SDM_EN_MASK BIT(31)
030999fe 149#define PLLD2_SSC_EN_MASK 0
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150
151#define PLLDP_SS_CFG 0x598
152#define PLLDP_SDM_EN_MASK BIT(31)
153#define PLLDP_SSC_EN_MASK BIT(30)
154#define PLLDP_SS_CTRL1 0x59c
155#define PLLDP_SS_CTRL2 0x5a0
156
157#define PMC_PLLM_WB0_OVERRIDE 0x1dc
158#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
159
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160#define UTMIP_PLL_CFG2 0x488
161#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
162#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
163#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
164#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
165#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
166#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
167#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
168#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
169#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
170#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
171
172#define UTMIP_PLL_CFG1 0x484
173#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
174#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
175#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
176#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
177#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
178#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
179#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
180
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181#define SATA_PLL_CFG0 0x490
182#define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
183#define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2)
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184#define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL BIT(4)
185#define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE BIT(5)
186#define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE BIT(6)
187#define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE BIT(7)
188
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189#define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
190#define SATA_PLL_CFG0_SEQ_ENABLE BIT(24)
191
192#define XUSBIO_PLL_CFG0 0x51c
193#define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
194#define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2)
195#define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6)
196#define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
197#define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24)
198
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199#define UTMIPLL_HW_PWRDN_CFG0 0x52c
200#define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31)
201#define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
202#define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
203#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7)
204#define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
205#define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
206#define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
207#define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
208#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
209#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
210
211#define PLLU_HW_PWRDN_CFG0 0x530
212#define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28)
213#define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
214#define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7)
215#define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
216#define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
217#define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0)
218
219#define XUSB_PLL_CFG0 0x534
220#define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff
221#define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14)
222
223#define SPARE_REG0 0x55c
224#define CLK_M_DIVISOR_SHIFT 2
225#define CLK_M_DIVISOR_MASK 0x3
226
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227#define RST_DFLL_DVCO 0x2f4
228#define DVFS_DFLL_RESET_SHIFT 0
229
230#define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8
231#define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac
232
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233/*
234 * SDM fractional divisor is 16-bit 2's complement signed number within
235 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
236 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to
237 * indicate that SDM is disabled.
238 *
239 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
240 */
241#define PLL_SDM_COEFF BIT(13)
242#define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU))
243#define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat)
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244/* This macro returns ndiv effective scaled to SDM range */
245#define sdin_get_n_eff(cfg) ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \
246 (PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0))
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247
248/* Tegra CPU clock and reset control regs */
249#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
250
251#ifdef CONFIG_PM_SLEEP
252static struct cpu_clk_suspend_context {
253 u32 clk_csite_src;
254} tegra210_cpu_clk_sctx;
255#endif
256
257static void __iomem *clk_base;
258static void __iomem *pmc_base;
259
260static unsigned long osc_freq;
261static unsigned long pll_ref_freq;
262
263static DEFINE_SPINLOCK(pll_d_lock);
264static DEFINE_SPINLOCK(pll_e_lock);
265static DEFINE_SPINLOCK(pll_re_lock);
266static DEFINE_SPINLOCK(pll_u_lock);
267static DEFINE_SPINLOCK(emc_lock);
268
269/* possible OSC frequencies in Hz */
270static unsigned long tegra210_input_freq[] = {
271 [5] = 38400000,
272 [8] = 12000000,
273};
274
275static const char *mux_pllmcp_clkm[] = {
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276 "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb",
277 "pll_p",
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278};
279#define mux_pllmcp_clkm_idx NULL
280
281#define PLL_ENABLE (1 << 30)
282
283#define PLLCX_MISC1_IDDQ (1 << 27)
284#define PLLCX_MISC0_RESET (1 << 30)
285
286#define PLLCX_MISC0_DEFAULT_VALUE 0x40080000
287#define PLLCX_MISC0_WRITE_MASK 0x400ffffb
288#define PLLCX_MISC1_DEFAULT_VALUE 0x08000000
289#define PLLCX_MISC1_WRITE_MASK 0x08003cff
290#define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05
291#define PLLCX_MISC2_WRITE_MASK 0xffffff17
292#define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4
293#define PLLCX_MISC3_WRITE_MASK 0x00ffffff
294
295/* PLLA */
296#define PLLA_BASE_IDDQ (1 << 25)
297#define PLLA_BASE_LOCK (1 << 27)
298
299#define PLLA_MISC0_LOCK_ENABLE (1 << 28)
300#define PLLA_MISC0_LOCK_OVERRIDE (1 << 27)
301
302#define PLLA_MISC2_EN_SDM (1 << 26)
303#define PLLA_MISC2_EN_DYNRAMP (1 << 25)
304
305#define PLLA_MISC0_DEFAULT_VALUE 0x12000020
306#define PLLA_MISC0_WRITE_MASK 0x7fffffff
307#define PLLA_MISC2_DEFAULT_VALUE 0x0
308#define PLLA_MISC2_WRITE_MASK 0x06ffffff
309
310/* PLLD */
311#define PLLD_MISC0_EN_SDM (1 << 16)
312#define PLLD_MISC0_LOCK_OVERRIDE (1 << 17)
313#define PLLD_MISC0_LOCK_ENABLE (1 << 18)
314#define PLLD_MISC0_IDDQ (1 << 20)
315#define PLLD_MISC0_DSI_CLKENABLE (1 << 21)
316
317#define PLLD_MISC0_DEFAULT_VALUE 0x00140000
318#define PLLD_MISC0_WRITE_MASK 0x3ff7ffff
319#define PLLD_MISC1_DEFAULT_VALUE 0x20
320#define PLLD_MISC1_WRITE_MASK 0x00ffffff
321
322/* PLLD2 and PLLDP and PLLC4 */
323#define PLLDSS_BASE_LOCK (1 << 27)
324#define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24)
325#define PLLDSS_BASE_IDDQ (1 << 18)
326#define PLLDSS_BASE_REF_SEL_SHIFT 25
327#define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
328
329#define PLLDSS_MISC0_LOCK_ENABLE (1 << 30)
330
331#define PLLDSS_MISC1_CFG_EN_SDM (1 << 31)
332#define PLLDSS_MISC1_CFG_EN_SSC (1 << 30)
333
334#define PLLD2_MISC0_DEFAULT_VALUE 0x40000020
335#define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000
336#define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0
337#define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0
338
339#define PLLDP_MISC0_DEFAULT_VALUE 0x40000020
340#define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000
341#define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da
342#define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400
343
344#define PLLDSS_MISC0_WRITE_MASK 0x47ffffff
345#define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000
346#define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff
347#define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff
348
349#define PLLC4_MISC0_DEFAULT_VALUE 0x40000000
350
351/* PLLRE */
352#define PLLRE_MISC0_LOCK_ENABLE (1 << 30)
353#define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29)
354#define PLLRE_MISC0_LOCK (1 << 27)
355#define PLLRE_MISC0_IDDQ (1 << 24)
356
357#define PLLRE_BASE_DEFAULT_VALUE 0x0
358#define PLLRE_MISC0_DEFAULT_VALUE 0x41000000
359
360#define PLLRE_BASE_DEFAULT_MASK 0x1c000000
361#define PLLRE_MISC0_WRITE_MASK 0x67ffffff
362
363/* PLLX */
364#define PLLX_USE_DYN_RAMP 1
365#define PLLX_BASE_LOCK (1 << 27)
366
367#define PLLX_MISC0_FO_G_DISABLE (0x1 << 28)
368#define PLLX_MISC0_LOCK_ENABLE (0x1 << 18)
369
370#define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24
371#define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
372#define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16
373#define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
374#define PLLX_MISC2_NDIV_NEW_SHIFT 8
375#define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
376#define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4)
377#define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2)
378#define PLLX_MISC2_EN_DYNRAMP (0x1 << 0)
379
380#define PLLX_MISC3_IDDQ (0x1 << 3)
381
382#define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE
383#define PLLX_MISC0_WRITE_MASK 0x10c40000
384#define PLLX_MISC1_DEFAULT_VALUE 0x20
385#define PLLX_MISC1_WRITE_MASK 0x00ffffff
386#define PLLX_MISC2_DEFAULT_VALUE 0x0
387#define PLLX_MISC2_WRITE_MASK 0xffffff11
388#define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ
389#define PLLX_MISC3_WRITE_MASK 0x01ff0f0f
390#define PLLX_MISC4_DEFAULT_VALUE 0x0
391#define PLLX_MISC4_WRITE_MASK 0x8000ffff
392#define PLLX_MISC5_DEFAULT_VALUE 0x0
393#define PLLX_MISC5_WRITE_MASK 0x0000ffff
394
395#define PLLX_HW_CTRL_CFG 0x548
396#define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0)
397
398/* PLLMB */
399#define PLLMB_BASE_LOCK (1 << 27)
400
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401#define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18)
402#define PLLMB_MISC1_IDDQ (1 << 17)
403#define PLLMB_MISC1_LOCK_ENABLE (1 << 16)
6b301a05 404
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405#define PLLMB_MISC1_DEFAULT_VALUE 0x00030000
406#define PLLMB_MISC1_WRITE_MASK 0x0007ffff
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407
408/* PLLP */
409#define PLLP_BASE_OVERRIDE (1 << 28)
410#define PLLP_BASE_LOCK (1 << 27)
411
412#define PLLP_MISC0_LOCK_ENABLE (1 << 18)
413#define PLLP_MISC0_LOCK_OVERRIDE (1 << 17)
414#define PLLP_MISC0_IDDQ (1 << 3)
415
416#define PLLP_MISC1_HSIO_EN_SHIFT 29
417#define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT)
418#define PLLP_MISC1_XUSB_EN_SHIFT 28
419#define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT)
420
421#define PLLP_MISC0_DEFAULT_VALUE 0x00040008
422#define PLLP_MISC1_DEFAULT_VALUE 0x0
423
424#define PLLP_MISC0_WRITE_MASK 0xdc6000f
425#define PLLP_MISC1_WRITE_MASK 0x70ffffff
426
427/* PLLU */
428#define PLLU_BASE_LOCK (1 << 27)
429#define PLLU_BASE_OVERRIDE (1 << 24)
430#define PLLU_BASE_CLKENABLE_USB (1 << 21)
431#define PLLU_BASE_CLKENABLE_HSIC (1 << 22)
432#define PLLU_BASE_CLKENABLE_ICUSB (1 << 23)
433#define PLLU_BASE_CLKENABLE_48M (1 << 25)
434#define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\
435 PLLU_BASE_CLKENABLE_HSIC |\
436 PLLU_BASE_CLKENABLE_ICUSB |\
437 PLLU_BASE_CLKENABLE_48M)
438
439#define PLLU_MISC0_IDDQ (1 << 31)
440#define PLLU_MISC0_LOCK_ENABLE (1 << 29)
441#define PLLU_MISC1_LOCK_OVERRIDE (1 << 0)
442
443#define PLLU_MISC0_DEFAULT_VALUE 0xa0000000
444#define PLLU_MISC1_DEFAULT_VALUE 0x0
445
446#define PLLU_MISC0_WRITE_MASK 0xbfffffff
447#define PLLU_MISC1_WRITE_MASK 0x00000007
448
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449void tegra210_xusb_pll_hw_control_enable(void)
450{
451 u32 val;
452
453 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
454 val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
455 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
456 val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
457 XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ;
458 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
459}
460EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable);
461
462void tegra210_xusb_pll_hw_sequence_start(void)
463{
464 u32 val;
465
466 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
467 val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
468 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
469}
470EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start);
471
472void tegra210_sata_pll_hw_control_enable(void)
473{
474 u32 val;
475
476 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
477 val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
478 val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET |
479 SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ;
480 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
481}
482EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable);
483
484void tegra210_sata_pll_hw_sequence_start(void)
485{
486 u32 val;
487
488 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
489 val |= SATA_PLL_CFG0_SEQ_ENABLE;
490 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
491}
492EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start);
493
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494void tegra210_set_sata_pll_seq_sw(bool state)
495{
496 u32 val;
497
498 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
499 if (state) {
500 val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
501 val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
502 val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
503 val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
504 } else {
505 val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
506 val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
507 val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
508 val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
509 }
510 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
511}
512EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw);
513
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514static inline void _pll_misc_chk_default(void __iomem *base,
515 struct tegra_clk_pll_params *params,
516 u8 misc_num, u32 default_val, u32 mask)
517{
518 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
519
520 boot_val &= mask;
521 default_val &= mask;
522 if (boot_val != default_val) {
523 pr_warn("boot misc%d 0x%x: expected 0x%x\n",
524 misc_num, boot_val, default_val);
525 pr_warn(" (comparison mask = 0x%x)\n", mask);
526 params->defaults_set = false;
527 }
528}
529
530/*
531 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
532 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
533 * that changes NDIV only, while PLL is already locked.
534 */
535static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
536{
537 u32 default_val;
538
539 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
540 _pll_misc_chk_default(clk_base, params, 0, default_val,
541 PLLCX_MISC0_WRITE_MASK);
542
543 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
544 _pll_misc_chk_default(clk_base, params, 1, default_val,
545 PLLCX_MISC1_WRITE_MASK);
546
547 default_val = PLLCX_MISC2_DEFAULT_VALUE;
548 _pll_misc_chk_default(clk_base, params, 2, default_val,
549 PLLCX_MISC2_WRITE_MASK);
550
551 default_val = PLLCX_MISC3_DEFAULT_VALUE;
552 _pll_misc_chk_default(clk_base, params, 3, default_val,
553 PLLCX_MISC3_WRITE_MASK);
554}
555
fd360e20
JH
556static void tegra210_pllcx_set_defaults(const char *name,
557 struct tegra_clk_pll *pllcx)
6b301a05
RK
558{
559 pllcx->params->defaults_set = true;
560
1116d5a7 561 if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) {
6b301a05
RK
562 /* PLL is ON: only check if defaults already set */
563 pllcx_check_defaults(pllcx->params);
1116d5a7
JH
564 if (!pllcx->params->defaults_set)
565 pr_warn("%s already enabled. Postponing set full defaults\n",
566 name);
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RK
567 return;
568 }
569
570 /* Defaults assert PLL reset, and set IDDQ */
571 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
572 clk_base + pllcx->params->ext_misc_reg[0]);
573 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
574 clk_base + pllcx->params->ext_misc_reg[1]);
575 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
576 clk_base + pllcx->params->ext_misc_reg[2]);
577 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
578 clk_base + pllcx->params->ext_misc_reg[3]);
579 udelay(1);
580}
581
fd360e20 582static void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
6b301a05
RK
583{
584 tegra210_pllcx_set_defaults("PLL_C", pllcx);
585}
586
fd360e20 587static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
6b301a05
RK
588{
589 tegra210_pllcx_set_defaults("PLL_C2", pllcx);
590}
591
fd360e20 592static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
6b301a05
RK
593{
594 tegra210_pllcx_set_defaults("PLL_C3", pllcx);
595}
596
fd360e20 597static void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
6b301a05
RK
598{
599 tegra210_pllcx_set_defaults("PLL_A1", pllcx);
600}
601
602/*
603 * PLLA
604 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
605 * Fractional SDM is allowed to provide exact audio rates.
606 */
fd360e20 607static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
6b301a05
RK
608{
609 u32 mask;
610 u32 val = readl_relaxed(clk_base + plla->params->base_reg);
611
612 plla->params->defaults_set = true;
613
614 if (val & PLL_ENABLE) {
615 /*
616 * PLL is ON: check if defaults already set, then set those
617 * that can be updated in flight.
618 */
619 if (val & PLLA_BASE_IDDQ) {
620 pr_warn("PLL_A boot enabled with IDDQ set\n");
621 plla->params->defaults_set = false;
622 }
623
624 pr_warn("PLL_A already enabled. Postponing set full defaults\n");
625
626 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */
627 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
628 _pll_misc_chk_default(clk_base, plla->params, 0, val,
629 ~mask & PLLA_MISC0_WRITE_MASK);
630
631 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
632 _pll_misc_chk_default(clk_base, plla->params, 2, val,
633 PLLA_MISC2_EN_DYNRAMP);
634
635 /* Enable lock detect */
636 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
637 val &= ~mask;
638 val |= PLLA_MISC0_DEFAULT_VALUE & mask;
639 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
640 udelay(1);
641
642 return;
643 }
644
645 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
646 val |= PLLA_BASE_IDDQ;
647 writel_relaxed(val, clk_base + plla->params->base_reg);
648 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
649 clk_base + plla->params->ext_misc_reg[0]);
650 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
651 clk_base + plla->params->ext_misc_reg[2]);
652 udelay(1);
653}
654
655/*
656 * PLLD
657 * PLL with fractional SDM.
658 */
fd360e20 659static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
6b301a05
RK
660{
661 u32 val;
662 u32 mask = 0xffff;
663
664 plld->params->defaults_set = true;
665
666 if (readl_relaxed(clk_base + plld->params->base_reg) &
667 PLL_ENABLE) {
6b301a05
RK
668
669 /*
670 * PLL is ON: check if defaults already set, then set those
671 * that can be updated in flight.
672 */
673 val = PLLD_MISC1_DEFAULT_VALUE;
674 _pll_misc_chk_default(clk_base, plld->params, 1,
675 val, PLLD_MISC1_WRITE_MASK);
676
677 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */
678 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
679 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
680 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
681 _pll_misc_chk_default(clk_base, plld->params, 0, val,
682 ~mask & PLLD_MISC0_WRITE_MASK);
683
8dce89a1
PDS
684 if (!plld->params->defaults_set)
685 pr_warn("PLL_D already enabled. Postponing set full defaults\n");
686
6b301a05
RK
687 /* Enable lock detect */
688 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
689 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
690 val &= ~mask;
691 val |= PLLD_MISC0_DEFAULT_VALUE & mask;
692 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
693 udelay(1);
694
695 return;
696 }
697
698 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
699 val &= PLLD_MISC0_DSI_CLKENABLE;
700 val |= PLLD_MISC0_DEFAULT_VALUE;
701 /* set IDDQ, enable lock detect, disable SDM */
702 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
703 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
704 plld->params->ext_misc_reg[1]);
705 udelay(1);
706}
707
708/*
709 * PLLD2, PLLDP
710 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
711 */
712static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
713 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
714{
715 u32 default_val;
716 u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
717
718 plldss->params->defaults_set = true;
719
720 if (val & PLL_ENABLE) {
6b301a05
RK
721
722 /*
723 * PLL is ON: check if defaults already set, then set those
724 * that can be updated in flight.
725 */
726 if (val & PLLDSS_BASE_IDDQ) {
727 pr_warn("plldss boot enabled with IDDQ set\n");
728 plldss->params->defaults_set = false;
729 }
730
731 /* ignore lock enable */
732 default_val = misc0_val;
733 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
734 PLLDSS_MISC0_WRITE_MASK &
735 (~PLLDSS_MISC0_LOCK_ENABLE));
736
737 /*
738 * If SSC is used, check all settings, otherwise just confirm
739 * that SSC is not used on boot as well. Do nothing when using
740 * this function for PLLC4 that has only MISC0.
741 */
742 if (plldss->params->ssc_ctrl_en_mask) {
743 default_val = misc1_val;
744 _pll_misc_chk_default(clk_base, plldss->params, 1,
745 default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
746 default_val = misc2_val;
747 _pll_misc_chk_default(clk_base, plldss->params, 2,
748 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
749 default_val = misc3_val;
750 _pll_misc_chk_default(clk_base, plldss->params, 3,
751 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
752 } else if (plldss->params->ext_misc_reg[1]) {
753 default_val = misc1_val;
754 _pll_misc_chk_default(clk_base, plldss->params, 1,
755 default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
756 (~PLLDSS_MISC1_CFG_EN_SDM));
757 }
758
1934ffd0
PDS
759 if (!plldss->params->defaults_set)
760 pr_warn("%s already enabled. Postponing set full defaults\n",
761 pll_name);
762
6b301a05
RK
763 /* Enable lock detect */
764 if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
765 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
766 writel_relaxed(val, clk_base +
767 plldss->params->base_reg);
768 }
769
770 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
771 val &= ~PLLDSS_MISC0_LOCK_ENABLE;
772 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
773 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
774 udelay(1);
775
776 return;
777 }
778
779 /* set IDDQ, enable lock detect, configure SDM/SSC */
780 val |= PLLDSS_BASE_IDDQ;
781 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
782 writel_relaxed(val, clk_base + plldss->params->base_reg);
783
784 /* When using this function for PLLC4 exit here */
785 if (!plldss->params->ext_misc_reg[1]) {
786 writel_relaxed(misc0_val, clk_base +
787 plldss->params->ext_misc_reg[0]);
788 udelay(1);
789 return;
790 }
791
792 writel_relaxed(misc0_val, clk_base +
793 plldss->params->ext_misc_reg[0]);
794 /* if SSC used set by 1st enable */
795 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
796 clk_base + plldss->params->ext_misc_reg[1]);
797 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
798 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
799 udelay(1);
800}
801
fd360e20 802static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
6b301a05
RK
803{
804 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
805 PLLD2_MISC1_CFG_DEFAULT_VALUE,
806 PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
807 PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
808}
809
fd360e20 810static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
6b301a05
RK
811{
812 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
813 PLLDP_MISC1_CFG_DEFAULT_VALUE,
814 PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
815 PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
816}
817
818/*
819 * PLLC4
820 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
821 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
822 */
fd360e20 823static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
6b301a05
RK
824{
825 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
826}
827
828/*
829 * PLLRE
830 * VCO is exposed to the clock tree directly along with post-divider output
831 */
fd360e20 832static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
6b301a05
RK
833{
834 u32 mask;
835 u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
836
837 pllre->params->defaults_set = true;
838
839 if (val & PLL_ENABLE) {
840 pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
841
842 /*
843 * PLL is ON: check if defaults already set, then set those
844 * that can be updated in flight.
845 */
846 val &= PLLRE_BASE_DEFAULT_MASK;
847 if (val != PLLRE_BASE_DEFAULT_VALUE) {
848 pr_warn("pllre boot base 0x%x : expected 0x%x\n",
849 val, PLLRE_BASE_DEFAULT_VALUE);
850 pr_warn("(comparison mask = 0x%x)\n",
851 PLLRE_BASE_DEFAULT_MASK);
852 pllre->params->defaults_set = false;
853 }
854
855 /* Ignore lock enable */
856 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
857 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
858 _pll_misc_chk_default(clk_base, pllre->params, 0, val,
859 ~mask & PLLRE_MISC0_WRITE_MASK);
860
861 /* Enable lock detect */
862 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
863 val &= ~mask;
864 val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
865 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
866 udelay(1);
867
868 return;
869 }
870
871 /* set IDDQ, enable lock detect */
872 val &= ~PLLRE_BASE_DEFAULT_MASK;
873 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
874 writel_relaxed(val, clk_base + pllre->params->base_reg);
875 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
876 clk_base + pllre->params->ext_misc_reg[0]);
877 udelay(1);
878}
879
880static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
881{
882 unsigned long input_rate;
883
3dad5c5f
RK
884 /* cf rate */
885 if (!IS_ERR_OR_NULL(hw->clk))
6b301a05 886 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
3dad5c5f 887 else
6b301a05 888 input_rate = 38400000;
3dad5c5f
RK
889
890 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
6b301a05
RK
891
892 switch (input_rate) {
893 case 12000000:
894 case 12800000:
895 case 13000000:
896 *step_a = 0x2B;
897 *step_b = 0x0B;
898 return;
899 case 19200000:
900 *step_a = 0x12;
901 *step_b = 0x08;
902 return;
903 case 38400000:
904 *step_a = 0x04;
905 *step_b = 0x05;
906 return;
907 default:
908 pr_err("%s: Unexpected reference rate %lu\n",
909 __func__, input_rate);
910 BUG();
911 }
912}
913
914static void pllx_check_defaults(struct tegra_clk_pll *pll)
915{
916 u32 default_val;
917
918 default_val = PLLX_MISC0_DEFAULT_VALUE;
919 /* ignore lock enable */
920 _pll_misc_chk_default(clk_base, pll->params, 0, default_val,
921 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
922
923 default_val = PLLX_MISC1_DEFAULT_VALUE;
924 _pll_misc_chk_default(clk_base, pll->params, 1, default_val,
925 PLLX_MISC1_WRITE_MASK);
926
927 /* ignore all but control bit */
928 default_val = PLLX_MISC2_DEFAULT_VALUE;
929 _pll_misc_chk_default(clk_base, pll->params, 2,
930 default_val, PLLX_MISC2_EN_DYNRAMP);
931
932 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
933 _pll_misc_chk_default(clk_base, pll->params, 3, default_val,
934 PLLX_MISC3_WRITE_MASK);
935
936 default_val = PLLX_MISC4_DEFAULT_VALUE;
937 _pll_misc_chk_default(clk_base, pll->params, 4, default_val,
938 PLLX_MISC4_WRITE_MASK);
939
940 default_val = PLLX_MISC5_DEFAULT_VALUE;
941 _pll_misc_chk_default(clk_base, pll->params, 5, default_val,
942 PLLX_MISC5_WRITE_MASK);
943}
944
fd360e20 945static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
6b301a05
RK
946{
947 u32 val;
948 u32 step_a, step_b;
949
950 pllx->params->defaults_set = true;
951
952 /* Get ready dyn ramp state machine settings */
953 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
954 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
955 (~PLLX_MISC2_DYNRAMP_STEPB_MASK);
956 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
957 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
958
959 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
6b301a05
RK
960
961 /*
962 * PLL is ON: check if defaults already set, then set those
963 * that can be updated in flight.
964 */
965 pllx_check_defaults(pllx);
966
8dce89a1
PDS
967 if (!pllx->params->defaults_set)
968 pr_warn("PLL_X already enabled. Postponing set full defaults\n");
6b301a05
RK
969 /* Configure dyn ramp, disable lock override */
970 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
971
972 /* Enable lock detect */
973 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
974 val &= ~PLLX_MISC0_LOCK_ENABLE;
975 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
976 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
977 udelay(1);
978
979 return;
980 }
981
982 /* Enable lock detect and CPU output */
983 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
984 pllx->params->ext_misc_reg[0]);
985
986 /* Setup */
987 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
988 pllx->params->ext_misc_reg[1]);
989
990 /* Configure dyn ramp state machine, disable lock override */
991 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
992
993 /* Set IDDQ */
994 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
995 pllx->params->ext_misc_reg[3]);
996
997 /* Disable SDM */
998 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
999 pllx->params->ext_misc_reg[4]);
1000 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
1001 pllx->params->ext_misc_reg[5]);
1002 udelay(1);
1003}
1004
1005/* PLLMB */
fd360e20 1006static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
6b301a05
RK
1007{
1008 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
1009
1010 pllmb->params->defaults_set = true;
1011
1012 if (val & PLL_ENABLE) {
6b301a05
RK
1013
1014 /*
1015 * PLL is ON: check if defaults already set, then set those
1016 * that can be updated in flight.
1017 */
474f2ba2
RK
1018 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
1019 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
6b301a05 1020 _pll_misc_chk_default(clk_base, pllmb->params, 0, val,
474f2ba2 1021 ~mask & PLLMB_MISC1_WRITE_MASK);
6b301a05 1022
8dce89a1
PDS
1023 if (!pllmb->params->defaults_set)
1024 pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
6b301a05
RK
1025 /* Enable lock detect */
1026 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
1027 val &= ~mask;
474f2ba2 1028 val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
6b301a05
RK
1029 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
1030 udelay(1);
1031
1032 return;
1033 }
1034
1035 /* set IDDQ, enable lock detect */
474f2ba2 1036 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
6b301a05
RK
1037 clk_base + pllmb->params->ext_misc_reg[0]);
1038 udelay(1);
1039}
1040
1041/*
1042 * PLLP
1043 * VCO is exposed to the clock tree directly along with post-divider output.
1044 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
1045 * respectively.
1046 */
1047static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
1048{
1049 u32 val, mask;
1050
1051 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
1052 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
1053 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1054 if (!enabled)
1055 mask |= PLLP_MISC0_IDDQ;
1056 _pll_misc_chk_default(clk_base, pll->params, 0, val,
1057 ~mask & PLLP_MISC0_WRITE_MASK);
1058
1059 /* Ignore branch controls */
1060 val = PLLP_MISC1_DEFAULT_VALUE;
1061 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1062 _pll_misc_chk_default(clk_base, pll->params, 1, val,
1063 ~mask & PLLP_MISC1_WRITE_MASK);
1064}
1065
fd360e20 1066static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
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1067{
1068 u32 mask;
1069 u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
1070
1071 pllp->params->defaults_set = true;
1072
1073 if (val & PLL_ENABLE) {
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1074
1075 /*
1076 * PLL is ON: check if defaults already set, then set those
1077 * that can be updated in flight.
1078 */
1079 pllp_check_defaults(pllp, true);
8dce89a1
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1080 if (!pllp->params->defaults_set)
1081 pr_warn("PLL_P already enabled. Postponing set full defaults\n");
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1082
1083 /* Enable lock detect */
1084 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
1085 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1086 val &= ~mask;
1087 val |= PLLP_MISC0_DEFAULT_VALUE & mask;
1088 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
1089 udelay(1);
1090
1091 return;
1092 }
1093
1094 /* set IDDQ, enable lock detect */
1095 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
1096 clk_base + pllp->params->ext_misc_reg[0]);
1097
1098 /* Preserve branch control */
1099 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
1100 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1101 val &= mask;
1102 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
1103 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
1104 udelay(1);
1105}
1106
1107/*
1108 * PLLU
1109 * VCO is exposed to the clock tree directly along with post-divider output.
1110 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
1111 * respectively.
1112 */
e745f992
PDS
1113static void pllu_check_defaults(struct tegra_clk_pll_params *params,
1114 bool hw_control)
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1115{
1116 u32 val, mask;
1117
1118 /* Ignore lock enable (will be set) and IDDQ if under h/w control */
1119 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
1120 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
e745f992 1121 _pll_misc_chk_default(clk_base, params, 0, val,
6b301a05
RK
1122 ~mask & PLLU_MISC0_WRITE_MASK);
1123
1124 val = PLLU_MISC1_DEFAULT_VALUE;
1125 mask = PLLU_MISC1_LOCK_OVERRIDE;
e745f992 1126 _pll_misc_chk_default(clk_base, params, 1, val,
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1127 ~mask & PLLU_MISC1_WRITE_MASK);
1128}
1129
e745f992 1130static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu)
6b301a05 1131{
e745f992 1132 u32 val = readl_relaxed(clk_base + pllu->base_reg);
6b301a05 1133
e745f992 1134 pllu->defaults_set = true;
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1135
1136 if (val & PLL_ENABLE) {
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1137
1138 /*
1139 * PLL is ON: check if defaults already set, then set those
1140 * that can be updated in flight.
1141 */
1142 pllu_check_defaults(pllu, false);
e745f992 1143 if (!pllu->defaults_set)
8dce89a1 1144 pr_warn("PLL_U already enabled. Postponing set full defaults\n");
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1145
1146 /* Enable lock detect */
e745f992 1147 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]);
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1148 val &= ~PLLU_MISC0_LOCK_ENABLE;
1149 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
e745f992 1150 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]);
6b301a05 1151
e745f992 1152 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]);
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1153 val &= ~PLLU_MISC1_LOCK_OVERRIDE;
1154 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
e745f992 1155 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]);
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1156 udelay(1);
1157
1158 return;
1159 }
1160
1161 /* set IDDQ, enable lock detect */
1162 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
e745f992 1163 clk_base + pllu->ext_misc_reg[0]);
6b301a05 1164 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
e745f992 1165 clk_base + pllu->ext_misc_reg[1]);
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1166 udelay(1);
1167}
1168
1169#define mask(w) ((1 << (w)) - 1)
1170#define divm_mask(p) mask(p->params->div_nmp->divm_width)
1171#define divn_mask(p) mask(p->params->div_nmp->divn_width)
1172#define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
1173 mask(p->params->div_nmp->divp_width))
1174
1175#define divm_shift(p) ((p)->params->div_nmp->divm_shift)
1176#define divn_shift(p) ((p)->params->div_nmp->divn_shift)
1177#define divp_shift(p) ((p)->params->div_nmp->divp_shift)
1178
1179#define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
1180#define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
1181#define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
1182
1183#define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */
1184static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
1185 u32 reg, u32 mask)
1186{
1187 int i;
1188 u32 val = 0;
1189
1190 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
1191 udelay(PLL_LOCKDET_DELAY);
1192 val = readl_relaxed(clk_base + reg);
1193 if ((val & mask) == mask) {
1194 udelay(PLL_LOCKDET_DELAY);
1195 return 0;
1196 }
1197 }
1198 return -ETIMEDOUT;
1199}
1200
1201static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
1202 struct tegra_clk_pll_freq_table *cfg)
1203{
1204 u32 val, base, ndiv_new_mask;
1205
1206 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
1207 << PLLX_MISC2_NDIV_NEW_SHIFT;
1208
1209 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1210 val &= (~ndiv_new_mask);
1211 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
1212 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1213 udelay(1);
1214
1215 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1216 val |= PLLX_MISC2_EN_DYNRAMP;
1217 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1218 udelay(1);
1219
1220 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
1221 PLLX_MISC2_DYNRAMP_DONE);
1222
1223 base = readl_relaxed(clk_base + pllx->params->base_reg) &
1224 (~divn_mask_shifted(pllx));
1225 base |= cfg->n << pllx->params->div_nmp->divn_shift;
1226 writel_relaxed(base, clk_base + pllx->params->base_reg);
1227 udelay(1);
1228
1229 val &= ~PLLX_MISC2_EN_DYNRAMP;
1230 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1231 udelay(1);
1232
1233 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
1234 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
1235 cfg->input_rate / cfg->m * cfg->n /
1236 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
1237
1238 return 0;
1239}
1240
1241/*
1242 * Common configuration for PLLs with fixed input divider policy:
1243 * - always set fixed M-value based on the reference rate
1244 * - always set P-value value 1:1 for output rates above VCO minimum, and
1245 * choose minimum necessary P-value for output rates below VCO maximum
1246 * - calculate N-value based on selected M and P
1247 * - calculate SDM_DIN fractional part
1248 */
1249static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
1250 struct tegra_clk_pll_freq_table *cfg,
1251 unsigned long rate, unsigned long input_rate)
1252{
1253 struct tegra_clk_pll *pll = to_clk_pll(hw);
1254 struct tegra_clk_pll_params *params = pll->params;
1255 int p;
1256 unsigned long cf, p_rate;
1257 u32 pdiv;
1258
1259 if (!rate)
1260 return -EINVAL;
1261
1262 if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
1263 p = DIV_ROUND_UP(params->vco_min, rate);
1264 p = params->round_p_to_pdiv(p, &pdiv);
1265 } else {
1266 p = rate >= params->vco_min ? 1 : -EINVAL;
1267 }
1268
287980e4 1269 if (p < 0)
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1270 return -EINVAL;
1271
1272 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
1273 cfg->p = p;
1274
1275 /* Store P as HW value, as that is what is expected */
1276 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
1277
1278 p_rate = rate * p;
1279 if (p_rate > params->vco_max)
1280 p_rate = params->vco_max;
1281 cf = input_rate / cfg->m;
1282 cfg->n = p_rate / cf;
1283
1284 cfg->sdm_data = 0;
ef6ed2b9 1285 cfg->output_rate = input_rate;
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1286 if (params->sdm_ctrl_reg) {
1287 unsigned long rem = p_rate - cf * cfg->n;
1288 /* If ssc is enabled SDM enabled as well, even for integer n */
1289 if (rem || params->ssc_ctrl_reg) {
1290 u64 s = rem * PLL_SDM_COEFF;
1291
1292 do_div(s, cf);
1293 s -= PLL_SDM_COEFF / 2;
1294 cfg->sdm_data = sdin_din_to_data(s);
1295 }
a851ea2b 1296 cfg->output_rate *= sdin_get_n_eff(cfg);
ef6ed2b9
PDS
1297 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
1298 } else {
1299 cfg->output_rate *= cfg->n;
1300 cfg->output_rate /= p * cfg->m;
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1301 }
1302
1303 cfg->input_rate = input_rate;
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1304
1305 return 0;
1306}
1307
1308/*
1309 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
1310 *
1311 * @cfg: struct tegra_clk_pll_freq_table * cfg
1312 *
1313 * For Normal mode:
1314 * Fvco = Fref * NDIV / MDIV
1315 *
1316 * For fractional mode:
1317 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
1318 */
1319static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
1320{
a851ea2b 1321 cfg->n = sdin_get_n_eff(cfg);
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1322 cfg->m *= PLL_SDM_COEFF;
1323}
1324
fd360e20
JH
1325static unsigned long
1326tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
1327 unsigned long parent_rate)
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1328{
1329 unsigned long vco_min = params->vco_min;
1330
1331 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
1332 vco_min = min(vco_min, params->vco_min);
1333
1334 return vco_min;
1335}
1336
1337static struct div_nmp pllx_nmp = {
1338 .divm_shift = 0,
1339 .divm_width = 8,
1340 .divn_shift = 8,
1341 .divn_width = 8,
1342 .divp_shift = 20,
1343 .divp_width = 5,
1344};
1345/*
1346 * PLL post divider maps - two types: quasi-linear and exponential
1347 * post divider.
1348 */
1349#define PLL_QLIN_PDIV_MAX 16
1350static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
1351 { .pdiv = 1, .hw_val = 0 },
1352 { .pdiv = 2, .hw_val = 1 },
1353 { .pdiv = 3, .hw_val = 2 },
1354 { .pdiv = 4, .hw_val = 3 },
1355 { .pdiv = 5, .hw_val = 4 },
1356 { .pdiv = 6, .hw_val = 5 },
1357 { .pdiv = 8, .hw_val = 6 },
1358 { .pdiv = 9, .hw_val = 7 },
1359 { .pdiv = 10, .hw_val = 8 },
1360 { .pdiv = 12, .hw_val = 9 },
1361 { .pdiv = 15, .hw_val = 10 },
1362 { .pdiv = 16, .hw_val = 11 },
1363 { .pdiv = 18, .hw_val = 12 },
1364 { .pdiv = 20, .hw_val = 13 },
1365 { .pdiv = 24, .hw_val = 14 },
1366 { .pdiv = 30, .hw_val = 15 },
1367 { .pdiv = 32, .hw_val = 16 },
1368};
1369
1370static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
1371{
1372 int i;
1373
1374 if (p) {
1375 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
1376 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
1377 if (pdiv)
1378 *pdiv = i;
1379 return pll_qlin_pdiv_to_hw[i].pdiv;
1380 }
1381 }
1382 }
1383
1384 return -EINVAL;
1385}
1386
1387#define PLL_EXPO_PDIV_MAX 7
1388static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
1389 { .pdiv = 1, .hw_val = 0 },
1390 { .pdiv = 2, .hw_val = 1 },
1391 { .pdiv = 4, .hw_val = 2 },
1392 { .pdiv = 8, .hw_val = 3 },
1393 { .pdiv = 16, .hw_val = 4 },
1394 { .pdiv = 32, .hw_val = 5 },
1395 { .pdiv = 64, .hw_val = 6 },
1396 { .pdiv = 128, .hw_val = 7 },
1397};
1398
1399static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
1400{
1401 if (p) {
1402 u32 i = fls(p);
1403
1404 if (i == ffs(p))
1405 i--;
1406
1407 if (i <= PLL_EXPO_PDIV_MAX) {
1408 if (pdiv)
1409 *pdiv = i;
1410 return 1 << i;
1411 }
1412 }
1413 return -EINVAL;
1414}
1415
1416static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
1417 /* 1 GHz */
eddb65e7
TR
1418 { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */
1419 { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */
1420 { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */
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1421 { 0, 0, 0, 0, 0, 0 },
1422};
1423
1424static struct tegra_clk_pll_params pll_x_params = {
1425 .input_min = 12000000,
1426 .input_max = 800000000,
1427 .cf_min = 12000000,
1428 .cf_max = 38400000,
1429 .vco_min = 1350000000,
1430 .vco_max = 3000000000UL,
1431 .base_reg = PLLX_BASE,
1432 .misc_reg = PLLX_MISC0,
1433 .lock_mask = PLL_BASE_LOCK,
1434 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
1435 .lock_delay = 300,
1436 .ext_misc_reg[0] = PLLX_MISC0,
1437 .ext_misc_reg[1] = PLLX_MISC1,
1438 .ext_misc_reg[2] = PLLX_MISC2,
1439 .ext_misc_reg[3] = PLLX_MISC3,
1440 .ext_misc_reg[4] = PLLX_MISC4,
1441 .ext_misc_reg[5] = PLLX_MISC5,
1442 .iddq_reg = PLLX_MISC3,
1443 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1444 .max_p = PLL_QLIN_PDIV_MAX,
1445 .mdiv_default = 2,
1446 .dyn_ramp_reg = PLLX_MISC2,
1447 .stepa_shift = 16,
1448 .stepb_shift = 24,
1449 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1450 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1451 .div_nmp = &pllx_nmp,
1452 .freq_table = pll_x_freq_table,
1453 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1454 .dyn_ramp = tegra210_pllx_dyn_ramp,
1455 .set_defaults = tegra210_pllx_set_defaults,
1456 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1457};
1458
1459static struct div_nmp pllc_nmp = {
1460 .divm_shift = 0,
1461 .divm_width = 8,
1462 .divn_shift = 10,
1463 .divn_width = 8,
1464 .divp_shift = 20,
1465 .divp_width = 5,
1466};
1467
1468static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
eddb65e7
TR
1469 { 12000000, 510000000, 85, 1, 2, 0 },
1470 { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */
1471 { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */
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1472 { 0, 0, 0, 0, 0, 0 },
1473};
1474
1475static struct tegra_clk_pll_params pll_c_params = {
1476 .input_min = 12000000,
1477 .input_max = 700000000,
1478 .cf_min = 12000000,
1479 .cf_max = 50000000,
1480 .vco_min = 600000000,
1481 .vco_max = 1200000000,
1482 .base_reg = PLLC_BASE,
1483 .misc_reg = PLLC_MISC0,
1484 .lock_mask = PLL_BASE_LOCK,
1485 .lock_delay = 300,
1486 .iddq_reg = PLLC_MISC1,
1487 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1488 .reset_reg = PLLC_MISC0,
1489 .reset_bit_idx = PLLCX_RESET_BIT,
1490 .max_p = PLL_QLIN_PDIV_MAX,
1491 .ext_misc_reg[0] = PLLC_MISC0,
1492 .ext_misc_reg[1] = PLLC_MISC1,
1493 .ext_misc_reg[2] = PLLC_MISC2,
1494 .ext_misc_reg[3] = PLLC_MISC3,
1495 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1496 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1497 .mdiv_default = 3,
1498 .div_nmp = &pllc_nmp,
1499 .freq_table = pll_cx_freq_table,
14050118 1500 .flags = TEGRA_PLL_USE_LOCK,
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1501 .set_defaults = _pllc_set_defaults,
1502 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1503};
1504
1505static struct div_nmp pllcx_nmp = {
1506 .divm_shift = 0,
1507 .divm_width = 8,
1508 .divn_shift = 10,
1509 .divn_width = 8,
1510 .divp_shift = 20,
1511 .divp_width = 5,
1512};
1513
1514static struct tegra_clk_pll_params pll_c2_params = {
1515 .input_min = 12000000,
1516 .input_max = 700000000,
1517 .cf_min = 12000000,
1518 .cf_max = 50000000,
1519 .vco_min = 600000000,
1520 .vco_max = 1200000000,
1521 .base_reg = PLLC2_BASE,
1522 .misc_reg = PLLC2_MISC0,
1523 .iddq_reg = PLLC2_MISC1,
1524 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1525 .reset_reg = PLLC2_MISC0,
1526 .reset_bit_idx = PLLCX_RESET_BIT,
1527 .lock_mask = PLLCX_BASE_LOCK,
1528 .lock_delay = 300,
1529 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1530 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1531 .mdiv_default = 3,
1532 .div_nmp = &pllcx_nmp,
1533 .max_p = PLL_QLIN_PDIV_MAX,
1534 .ext_misc_reg[0] = PLLC2_MISC0,
1535 .ext_misc_reg[1] = PLLC2_MISC1,
1536 .ext_misc_reg[2] = PLLC2_MISC2,
1537 .ext_misc_reg[3] = PLLC2_MISC3,
1538 .freq_table = pll_cx_freq_table,
14050118 1539 .flags = TEGRA_PLL_USE_LOCK,
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1540 .set_defaults = _pllc2_set_defaults,
1541 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1542};
1543
1544static struct tegra_clk_pll_params pll_c3_params = {
1545 .input_min = 12000000,
1546 .input_max = 700000000,
1547 .cf_min = 12000000,
1548 .cf_max = 50000000,
1549 .vco_min = 600000000,
1550 .vco_max = 1200000000,
1551 .base_reg = PLLC3_BASE,
1552 .misc_reg = PLLC3_MISC0,
1553 .lock_mask = PLLCX_BASE_LOCK,
1554 .lock_delay = 300,
1555 .iddq_reg = PLLC3_MISC1,
1556 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1557 .reset_reg = PLLC3_MISC0,
1558 .reset_bit_idx = PLLCX_RESET_BIT,
1559 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1560 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1561 .mdiv_default = 3,
1562 .div_nmp = &pllcx_nmp,
1563 .max_p = PLL_QLIN_PDIV_MAX,
1564 .ext_misc_reg[0] = PLLC3_MISC0,
1565 .ext_misc_reg[1] = PLLC3_MISC1,
1566 .ext_misc_reg[2] = PLLC3_MISC2,
1567 .ext_misc_reg[3] = PLLC3_MISC3,
1568 .freq_table = pll_cx_freq_table,
14050118 1569 .flags = TEGRA_PLL_USE_LOCK,
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1570 .set_defaults = _pllc3_set_defaults,
1571 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1572};
1573
1574static struct div_nmp pllss_nmp = {
1575 .divm_shift = 0,
1576 .divm_width = 8,
1577 .divn_shift = 8,
1578 .divn_width = 8,
1579 .divp_shift = 19,
1580 .divp_width = 5,
1581};
1582
1583static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
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1584 { 12000000, 600000000, 50, 1, 1, 0 },
1585 { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */
1586 { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */
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1587 { 0, 0, 0, 0, 0, 0 },
1588};
1589
1590static const struct clk_div_table pll_vco_post_div_table[] = {
1591 { .val = 0, .div = 1 },
1592 { .val = 1, .div = 2 },
1593 { .val = 2, .div = 3 },
1594 { .val = 3, .div = 4 },
1595 { .val = 4, .div = 5 },
1596 { .val = 5, .div = 6 },
1597 { .val = 6, .div = 8 },
1598 { .val = 7, .div = 10 },
1599 { .val = 8, .div = 12 },
1600 { .val = 9, .div = 16 },
1601 { .val = 10, .div = 12 },
1602 { .val = 11, .div = 16 },
1603 { .val = 12, .div = 20 },
1604 { .val = 13, .div = 24 },
1605 { .val = 14, .div = 32 },
1606 { .val = 0, .div = 0 },
1607};
1608
1609static struct tegra_clk_pll_params pll_c4_vco_params = {
1610 .input_min = 9600000,
1611 .input_max = 800000000,
1612 .cf_min = 9600000,
1613 .cf_max = 19200000,
1614 .vco_min = 500000000,
1615 .vco_max = 1080000000,
1616 .base_reg = PLLC4_BASE,
1617 .misc_reg = PLLC4_MISC0,
1618 .lock_mask = PLL_BASE_LOCK,
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1619 .lock_delay = 300,
1620 .max_p = PLL_QLIN_PDIV_MAX,
1621 .ext_misc_reg[0] = PLLC4_MISC0,
1622 .iddq_reg = PLLC4_BASE,
1623 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1624 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1625 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1626 .mdiv_default = 3,
1627 .div_nmp = &pllss_nmp,
1628 .freq_table = pll_c4_vco_freq_table,
1629 .set_defaults = tegra210_pllc4_set_defaults,
14050118 1630 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
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1631 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1632};
1633
1634static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
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1635 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */
1636 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */
1637 { 38400000, 297600000, 93, 4, 3, 0 },
1638 { 38400000, 400000000, 125, 4, 3, 0 },
1639 { 38400000, 532800000, 111, 4, 2, 0 },
1640 { 38400000, 665600000, 104, 3, 2, 0 },
1641 { 38400000, 800000000, 125, 3, 2, 0 },
1642 { 38400000, 931200000, 97, 4, 1, 0 },
1643 { 38400000, 1065600000, 111, 4, 1, 0 },
1644 { 38400000, 1200000000, 125, 4, 1, 0 },
1645 { 38400000, 1331200000, 104, 3, 1, 0 },
1646 { 38400000, 1459200000, 76, 2, 1, 0 },
1647 { 38400000, 1600000000, 125, 3, 1, 0 },
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1648 { 0, 0, 0, 0, 0, 0 },
1649};
1650
1651static struct div_nmp pllm_nmp = {
1652 .divm_shift = 0,
1653 .divm_width = 8,
1654 .override_divm_shift = 0,
1655 .divn_shift = 8,
1656 .divn_width = 8,
1657 .override_divn_shift = 8,
1658 .divp_shift = 20,
1659 .divp_width = 5,
1660 .override_divp_shift = 27,
1661};
1662
1663static struct tegra_clk_pll_params pll_m_params = {
1664 .input_min = 9600000,
1665 .input_max = 500000000,
1666 .cf_min = 9600000,
1667 .cf_max = 19200000,
1668 .vco_min = 800000000,
1669 .vco_max = 1866000000,
1670 .base_reg = PLLM_BASE,
474f2ba2 1671 .misc_reg = PLLM_MISC2,
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1672 .lock_mask = PLL_BASE_LOCK,
1673 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
1674 .lock_delay = 300,
474f2ba2 1675 .iddq_reg = PLLM_MISC2,
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1676 .iddq_bit_idx = PLLM_IDDQ_BIT,
1677 .max_p = PLL_QLIN_PDIV_MAX,
474f2ba2 1678 .ext_misc_reg[0] = PLLM_MISC2,
d9e65791 1679 .ext_misc_reg[1] = PLLM_MISC1,
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1680 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1681 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1682 .div_nmp = &pllm_nmp,
1683 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
1684 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
1685 .freq_table = pll_m_freq_table,
1686 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1687 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1688};
1689
1690static struct tegra_clk_pll_params pll_mb_params = {
1691 .input_min = 9600000,
1692 .input_max = 500000000,
1693 .cf_min = 9600000,
1694 .cf_max = 19200000,
1695 .vco_min = 800000000,
1696 .vco_max = 1866000000,
1697 .base_reg = PLLMB_BASE,
474f2ba2 1698 .misc_reg = PLLMB_MISC1,
6b301a05 1699 .lock_mask = PLL_BASE_LOCK,
6b301a05 1700 .lock_delay = 300,
474f2ba2 1701 .iddq_reg = PLLMB_MISC1,
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1702 .iddq_bit_idx = PLLMB_IDDQ_BIT,
1703 .max_p = PLL_QLIN_PDIV_MAX,
474f2ba2 1704 .ext_misc_reg[0] = PLLMB_MISC1,
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1705 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1706 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1707 .div_nmp = &pllm_nmp,
1708 .freq_table = pll_m_freq_table,
14050118 1709 .flags = TEGRA_PLL_USE_LOCK,
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1710 .set_defaults = tegra210_pllmb_set_defaults,
1711 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1712};
1713
1714
1715static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
1716 /* PLLE special case: use cpcon field to store cml divider value */
1717 { 672000000, 100000000, 125, 42, 0, 13 },
1718 { 624000000, 100000000, 125, 39, 0, 13 },
1719 { 336000000, 100000000, 125, 21, 0, 13 },
1720 { 312000000, 100000000, 200, 26, 0, 14 },
1721 { 38400000, 100000000, 125, 2, 0, 14 },
1722 { 12000000, 100000000, 200, 1, 0, 14 },
1723 { 0, 0, 0, 0, 0, 0 },
1724};
1725
1726static struct div_nmp plle_nmp = {
1727 .divm_shift = 0,
1728 .divm_width = 8,
1729 .divn_shift = 8,
1730 .divn_width = 8,
1731 .divp_shift = 24,
1732 .divp_width = 5,
1733};
1734
1735static struct tegra_clk_pll_params pll_e_params = {
1736 .input_min = 12000000,
1737 .input_max = 800000000,
1738 .cf_min = 12000000,
1739 .cf_max = 38400000,
1740 .vco_min = 1600000000,
1741 .vco_max = 2500000000U,
1742 .base_reg = PLLE_BASE,
1743 .misc_reg = PLLE_MISC0,
1744 .aux_reg = PLLE_AUX,
1745 .lock_mask = PLLE_MISC_LOCK,
1746 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
1747 .lock_delay = 300,
1748 .div_nmp = &plle_nmp,
1749 .freq_table = pll_e_freq_table,
1750 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
1751 TEGRA_PLL_HAS_LOCK_ENABLE,
1752 .fixed_rate = 100000000,
1753 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1754};
1755
1756static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
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1757 { 12000000, 672000000, 56, 1, 1, 0 },
1758 { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */
1759 { 38400000, 672000000, 70, 4, 1, 0 },
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1760 { 0, 0, 0, 0, 0, 0 },
1761};
1762
1763static struct div_nmp pllre_nmp = {
1764 .divm_shift = 0,
1765 .divm_width = 8,
1766 .divn_shift = 8,
1767 .divn_width = 8,
1768 .divp_shift = 16,
1769 .divp_width = 5,
1770};
1771
1772static struct tegra_clk_pll_params pll_re_vco_params = {
1773 .input_min = 9600000,
1774 .input_max = 800000000,
1775 .cf_min = 9600000,
1776 .cf_max = 19200000,
1777 .vco_min = 350000000,
1778 .vco_max = 700000000,
1779 .base_reg = PLLRE_BASE,
1780 .misc_reg = PLLRE_MISC0,
1781 .lock_mask = PLLRE_MISC_LOCK,
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1782 .lock_delay = 300,
1783 .max_p = PLL_QLIN_PDIV_MAX,
1784 .ext_misc_reg[0] = PLLRE_MISC0,
1785 .iddq_reg = PLLRE_MISC0,
1786 .iddq_bit_idx = PLLRE_IDDQ_BIT,
1787 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1788 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1789 .div_nmp = &pllre_nmp,
1790 .freq_table = pll_re_vco_freq_table,
14050118 1791 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
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1792 .set_defaults = tegra210_pllre_set_defaults,
1793 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1794};
1795
1796static struct div_nmp pllp_nmp = {
1797 .divm_shift = 0,
1798 .divm_width = 8,
1799 .divn_shift = 10,
1800 .divn_width = 8,
1801 .divp_shift = 20,
1802 .divp_width = 5,
1803};
1804
1805static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
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1806 { 12000000, 408000000, 34, 1, 1, 0 },
1807 { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */
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1808 { 0, 0, 0, 0, 0, 0 },
1809};
1810
1811static struct tegra_clk_pll_params pll_p_params = {
1812 .input_min = 9600000,
1813 .input_max = 800000000,
1814 .cf_min = 9600000,
1815 .cf_max = 19200000,
1816 .vco_min = 350000000,
1817 .vco_max = 700000000,
1818 .base_reg = PLLP_BASE,
1819 .misc_reg = PLLP_MISC0,
1820 .lock_mask = PLL_BASE_LOCK,
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1821 .lock_delay = 300,
1822 .iddq_reg = PLLP_MISC0,
1823 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1824 .ext_misc_reg[0] = PLLP_MISC0,
1825 .ext_misc_reg[1] = PLLP_MISC1,
1826 .div_nmp = &pllp_nmp,
1827 .freq_table = pll_p_freq_table,
1828 .fixed_rate = 408000000,
14050118 1829 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
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1830 .set_defaults = tegra210_pllp_set_defaults,
1831 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1832};
1833
1834static struct tegra_clk_pll_params pll_a1_params = {
1835 .input_min = 12000000,
1836 .input_max = 700000000,
1837 .cf_min = 12000000,
1838 .cf_max = 50000000,
1839 .vco_min = 600000000,
1840 .vco_max = 1200000000,
1841 .base_reg = PLLA1_BASE,
1842 .misc_reg = PLLA1_MISC0,
1843 .lock_mask = PLLCX_BASE_LOCK,
1844 .lock_delay = 300,
9326947f 1845 .iddq_reg = PLLA1_MISC1,
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1846 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1847 .reset_reg = PLLA1_MISC0,
1848 .reset_bit_idx = PLLCX_RESET_BIT,
1849 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1850 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1851 .div_nmp = &pllc_nmp,
1852 .ext_misc_reg[0] = PLLA1_MISC0,
1853 .ext_misc_reg[1] = PLLA1_MISC1,
1854 .ext_misc_reg[2] = PLLA1_MISC2,
1855 .ext_misc_reg[3] = PLLA1_MISC3,
1856 .freq_table = pll_cx_freq_table,
14050118 1857 .flags = TEGRA_PLL_USE_LOCK,
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1858 .set_defaults = _plla1_set_defaults,
1859 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1860};
1861
1862static struct div_nmp plla_nmp = {
1863 .divm_shift = 0,
1864 .divm_width = 8,
1865 .divn_shift = 8,
1866 .divn_width = 8,
1867 .divp_shift = 20,
1868 .divp_width = 5,
1869};
1870
1871static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
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1872 { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */
1873 { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */
1874 { 12000000, 240000000, 60, 1, 3, 1, 0 },
1875 { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */
1876 { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */
1877 { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */
1878 { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */
1879 { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */
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1880 { 38400000, 240000000, 75, 3, 3, 1, 0 },
1881 { 0, 0, 0, 0, 0, 0, 0 },
1882};
1883
1884static struct tegra_clk_pll_params pll_a_params = {
1885 .input_min = 12000000,
1886 .input_max = 800000000,
1887 .cf_min = 12000000,
1888 .cf_max = 19200000,
1889 .vco_min = 500000000,
1890 .vco_max = 1000000000,
1891 .base_reg = PLLA_BASE,
1892 .misc_reg = PLLA_MISC0,
1893 .lock_mask = PLL_BASE_LOCK,
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1894 .lock_delay = 300,
1895 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1896 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1897 .iddq_reg = PLLA_BASE,
1898 .iddq_bit_idx = PLLA_IDDQ_BIT,
1899 .div_nmp = &plla_nmp,
1900 .sdm_din_reg = PLLA_MISC1,
1901 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1902 .sdm_ctrl_reg = PLLA_MISC2,
1903 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
1904 .ext_misc_reg[0] = PLLA_MISC0,
1905 .ext_misc_reg[1] = PLLA_MISC1,
1906 .ext_misc_reg[2] = PLLA_MISC2,
1907 .freq_table = pll_a_freq_table,
14050118 1908 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
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1909 .set_defaults = tegra210_plla_set_defaults,
1910 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1911 .set_gain = tegra210_clk_pll_set_gain,
1912 .adjust_vco = tegra210_clk_adjust_vco_min,
1913};
1914
1915static struct div_nmp plld_nmp = {
1916 .divm_shift = 0,
1917 .divm_width = 8,
1918 .divn_shift = 11,
1919 .divn_width = 8,
1920 .divp_shift = 20,
1921 .divp_width = 3,
1922};
1923
1924static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
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1925 { 12000000, 594000000, 99, 1, 2, 0, 0 },
1926 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
1927 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
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1928 { 0, 0, 0, 0, 0, 0, 0 },
1929};
1930
1931static struct tegra_clk_pll_params pll_d_params = {
1932 .input_min = 12000000,
1933 .input_max = 800000000,
1934 .cf_min = 12000000,
1935 .cf_max = 38400000,
1936 .vco_min = 750000000,
1937 .vco_max = 1500000000,
1938 .base_reg = PLLD_BASE,
1939 .misc_reg = PLLD_MISC0,
1940 .lock_mask = PLL_BASE_LOCK,
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1941 .lock_delay = 1000,
1942 .iddq_reg = PLLD_MISC0,
1943 .iddq_bit_idx = PLLD_IDDQ_BIT,
1944 .round_p_to_pdiv = pll_expo_p_to_pdiv,
1945 .pdiv_tohw = pll_expo_pdiv_to_hw,
1946 .div_nmp = &plld_nmp,
1947 .sdm_din_reg = PLLD_MISC0,
1948 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1949 .sdm_ctrl_reg = PLLD_MISC0,
1950 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
1951 .ext_misc_reg[0] = PLLD_MISC0,
1952 .ext_misc_reg[1] = PLLD_MISC1,
1953 .freq_table = pll_d_freq_table,
14050118 1954 .flags = TEGRA_PLL_USE_LOCK,
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1955 .mdiv_default = 1,
1956 .set_defaults = tegra210_plld_set_defaults,
1957 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1958 .set_gain = tegra210_clk_pll_set_gain,
1959 .adjust_vco = tegra210_clk_adjust_vco_min,
1960};
1961
1962static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
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1963 { 12000000, 594000000, 99, 1, 2, 0, 0xf000 },
1964 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
1965 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
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1966 { 0, 0, 0, 0, 0, 0, 0 },
1967};
1968
1969/* s/w policy, always tegra_pll_ref */
1970static struct tegra_clk_pll_params pll_d2_params = {
1971 .input_min = 12000000,
1972 .input_max = 800000000,
1973 .cf_min = 12000000,
1974 .cf_max = 38400000,
1975 .vco_min = 750000000,
1976 .vco_max = 1500000000,
1977 .base_reg = PLLD2_BASE,
1978 .misc_reg = PLLD2_MISC0,
1979 .lock_mask = PLL_BASE_LOCK,
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1980 .lock_delay = 300,
1981 .iddq_reg = PLLD2_BASE,
1982 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1983 .sdm_din_reg = PLLD2_MISC3,
1984 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1985 .sdm_ctrl_reg = PLLD2_MISC1,
1986 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
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1987 /* disable spread-spectrum for pll_d2 */
1988 .ssc_ctrl_reg = 0,
1989 .ssc_ctrl_en_mask = 0,
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1990 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1991 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1992 .div_nmp = &pllss_nmp,
1993 .ext_misc_reg[0] = PLLD2_MISC0,
1994 .ext_misc_reg[1] = PLLD2_MISC1,
1995 .ext_misc_reg[2] = PLLD2_MISC2,
1996 .ext_misc_reg[3] = PLLD2_MISC3,
1997 .max_p = PLL_QLIN_PDIV_MAX,
1998 .mdiv_default = 1,
1999 .freq_table = tegra210_pll_d2_freq_table,
2000 .set_defaults = tegra210_plld2_set_defaults,
14050118 2001 .flags = TEGRA_PLL_USE_LOCK,
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2002 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2003 .set_gain = tegra210_clk_pll_set_gain,
2004 .adjust_vco = tegra210_clk_adjust_vco_min,
2005};
2006
2007static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
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2008 { 12000000, 270000000, 90, 1, 4, 0, 0xf000 },
2009 { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */
2010 { 38400000, 270000000, 28, 1, 4, 0, 0xf400 },
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2011 { 0, 0, 0, 0, 0, 0, 0 },
2012};
2013
2014static struct tegra_clk_pll_params pll_dp_params = {
2015 .input_min = 12000000,
2016 .input_max = 800000000,
2017 .cf_min = 12000000,
2018 .cf_max = 38400000,
2019 .vco_min = 750000000,
2020 .vco_max = 1500000000,
2021 .base_reg = PLLDP_BASE,
2022 .misc_reg = PLLDP_MISC,
2023 .lock_mask = PLL_BASE_LOCK,
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2024 .lock_delay = 300,
2025 .iddq_reg = PLLDP_BASE,
2026 .iddq_bit_idx = PLLSS_IDDQ_BIT,
2027 .sdm_din_reg = PLLDP_SS_CTRL2,
2028 .sdm_din_mask = PLLA_SDM_DIN_MASK,
2029 .sdm_ctrl_reg = PLLDP_SS_CFG,
2030 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
2031 .ssc_ctrl_reg = PLLDP_SS_CFG,
2032 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
2033 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2034 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2035 .div_nmp = &pllss_nmp,
2036 .ext_misc_reg[0] = PLLDP_MISC,
2037 .ext_misc_reg[1] = PLLDP_SS_CFG,
2038 .ext_misc_reg[2] = PLLDP_SS_CTRL1,
2039 .ext_misc_reg[3] = PLLDP_SS_CTRL2,
2040 .max_p = PLL_QLIN_PDIV_MAX,
2041 .mdiv_default = 1,
2042 .freq_table = pll_dp_freq_table,
2043 .set_defaults = tegra210_plldp_set_defaults,
14050118 2044 .flags = TEGRA_PLL_USE_LOCK,
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2045 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2046 .set_gain = tegra210_clk_pll_set_gain,
2047 .adjust_vco = tegra210_clk_adjust_vco_min,
2048};
2049
2050static struct div_nmp pllu_nmp = {
2051 .divm_shift = 0,
2052 .divm_width = 8,
2053 .divn_shift = 8,
2054 .divn_width = 8,
2055 .divp_shift = 16,
2056 .divp_width = 5,
2057};
2058
2059static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
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2060 { 12000000, 480000000, 40, 1, 0, 0 },
2061 { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */
2062 { 38400000, 480000000, 25, 2, 0, 0 },
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RK
2063 { 0, 0, 0, 0, 0, 0 },
2064};
2065
2066static struct tegra_clk_pll_params pll_u_vco_params = {
2067 .input_min = 9600000,
2068 .input_max = 800000000,
2069 .cf_min = 9600000,
2070 .cf_max = 19200000,
2071 .vco_min = 350000000,
2072 .vco_max = 700000000,
2073 .base_reg = PLLU_BASE,
2074 .misc_reg = PLLU_MISC0,
2075 .lock_mask = PLL_BASE_LOCK,
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RK
2076 .lock_delay = 1000,
2077 .iddq_reg = PLLU_MISC0,
2078 .iddq_bit_idx = PLLU_IDDQ_BIT,
2079 .ext_misc_reg[0] = PLLU_MISC0,
2080 .ext_misc_reg[1] = PLLU_MISC1,
2081 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2082 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2083 .div_nmp = &pllu_nmp,
2084 .freq_table = pll_u_freq_table,
14050118 2085 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
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PDS
2086};
2087
2088struct utmi_clk_param {
2089 /* Oscillator Frequency in KHz */
2090 u32 osc_frequency;
2091 /* UTMIP PLL Enable Delay Count */
2092 u8 enable_delay_count;
2093 /* UTMIP PLL Stable count */
2094 u16 stable_count;
2095 /* UTMIP PLL Active delay count */
2096 u8 active_delay_count;
2097 /* UTMIP PLL Xtal frequency count */
2098 u16 xtal_freq_count;
2099};
2100
2101static const struct utmi_clk_param utmi_parameters[] = {
2102 {
2103 .osc_frequency = 38400000, .enable_delay_count = 0x0,
2104 .stable_count = 0x0, .active_delay_count = 0x6,
2105 .xtal_freq_count = 0x80
2106 }, {
2107 .osc_frequency = 13000000, .enable_delay_count = 0x02,
2108 .stable_count = 0x33, .active_delay_count = 0x05,
2109 .xtal_freq_count = 0x7f
2110 }, {
2111 .osc_frequency = 19200000, .enable_delay_count = 0x03,
2112 .stable_count = 0x4b, .active_delay_count = 0x06,
2113 .xtal_freq_count = 0xbb
2114 }, {
2115 .osc_frequency = 12000000, .enable_delay_count = 0x02,
2116 .stable_count = 0x2f, .active_delay_count = 0x08,
2117 .xtal_freq_count = 0x76
2118 }, {
2119 .osc_frequency = 26000000, .enable_delay_count = 0x04,
2120 .stable_count = 0x66, .active_delay_count = 0x09,
2121 .xtal_freq_count = 0xfe
2122 }, {
2123 .osc_frequency = 16800000, .enable_delay_count = 0x03,
2124 .stable_count = 0x41, .active_delay_count = 0x0a,
2125 .xtal_freq_count = 0xa4
2126 },
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RK
2127};
2128
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RK
2129static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2130 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
2131 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2132 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2133 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2134 [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true },
2135 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2136 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2137 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2138 [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true },
2139 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2140 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2141 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
2142 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
2143 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
2144 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
2145 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
2146 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
2147 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
2148 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
2149 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
2150 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
2151 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
2152 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
2153 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
2154 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
2155 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
2156 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
2157 [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true },
2158 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
2159 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
2160 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
2161 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
2162 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
2163 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
2164 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
2165 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
2166 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
2167 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
2168 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
2169 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
2170 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
2171 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
2172 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
2173 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
2174 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
2175 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
2176 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
2177 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
2178 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
2179 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
2180 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
2181 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
2182 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
2183 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
2184 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
2185 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
2186 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
2187 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
2188 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
2189 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
2190 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
2191 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
2192 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
2193 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
2194 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
2195 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
2196 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
2197 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
2198 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
2199 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
2200 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
2201 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
98c4b366 2202 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true },
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RK
2203 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
2204 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true },
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TR
2205 [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true },
2206 [tegra_clk_sor1_src] = { .dt_id = TEGRA210_CLK_SOR1_SRC, .present = true },
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RK
2207 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
2208 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
2209 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
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RK
2210 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
2211 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
2212 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
2213 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
2214 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
2215 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
2216 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
2217 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
2218 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true },
2219 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true },
2220 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
2221 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
2222 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
2223 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
2224 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
2225 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
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RK
2226 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
2227 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
2228 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
2229 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
2230 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
2231 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
2232 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
2233 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
2234 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
2235 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
2236 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
2237 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
2238 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
2239 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
2240 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
2241 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
2242 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
2243 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
2244 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
2245 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
2246 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
2247 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
2248 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
2249 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
2250 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
2251 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
2252 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
2253 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
2254 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
2255 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
2256 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
2257 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
2258 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
2259 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
2260 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
2261 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
2262 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
2263 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
2264 [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true },
2265 [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true },
2266 [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true },
2267 [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true },
2268 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
2269 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
2270 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
2271 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
2272 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
2273 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
2274 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
2275 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
2276 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
2277 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
2278 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
2279 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
2280 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
2281 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
2282 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
2283 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
2284 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
2285 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
2286 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
2287 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
2288 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
2289 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
2290 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
2291 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
2292 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
2293 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
2294 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
2295 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
2296 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
2297 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
2298 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
2299 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true },
2300 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true },
2301 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true },
2302 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
2303 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
2304 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
2305 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
2306 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
2307 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
2308 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
2309 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
2310 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
2311 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
2312 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
2313 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
2314 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
2315 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
2316 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
2317 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
29569941 2318 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
9326947f 2319 [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
34ac2c27 2320 [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
bfa34832 2321 [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
6cfc8bc9
PDS
2322 [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
2323 [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
2324 [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
319af797
PDS
2325 [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
2326 [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
2327 [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },
2328 [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true },
2329 [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true },
2330 [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true },
88da44c5
PDS
2331 [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true },
2332 [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true },
2333 [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true },
2334 [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true },
2335 [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true },
2336 [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true },
2337 [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true },
6b301a05
RK
2338};
2339
2340static struct tegra_devclk devclks[] __initdata = {
2341 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
2342 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
2343 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
2344 { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 },
2345 { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 },
2346 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
2347 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
2348 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
2349 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
2350 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
2351 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
2352 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
2353 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
2354 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
2355 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
6b301a05
RK
2356 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
2357 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
2358 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
2359 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
2360 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
2361 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
2362 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
2363 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
2364 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
2365 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
2366 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
2367 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
2368 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
2369 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
2370 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
2371 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
2372 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
2373 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
2374 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
2375 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
2376 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
2377 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
2378 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
2379 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
2380 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
2381 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
2382 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
2383 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
2384 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
2385 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
2386 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
2387 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 },
2388 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 },
2389 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 },
2390 { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK },
2391 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
2392 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
2393 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
2394 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
2395 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
2396 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
2397 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
2398 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
2399 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
2400 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
2401 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
2402 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
2403 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
2404 { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 },
2405};
2406
2407static struct tegra_audio_clk_info tegra210_audio_plls[] = {
2408 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
2409 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
2410};
2411
2412static struct clk **clks;
2413
24c3ebef
PDS
2414static const char * const aclk_parents[] = {
2415 "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3",
2416 "clk_m"
2417};
2418
3843832f
PDS
2419void tegra210_put_utmipll_in_iddq(void)
2420{
2421 u32 reg;
2422
2423 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2424
2425 if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) {
2426 pr_err("trying to assert IDDQ while UTMIPLL is locked\n");
2427 return;
2428 }
2429
2430 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2431 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2432}
2433EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq);
2434
2435void tegra210_put_utmipll_out_iddq(void)
2436{
2437 u32 reg;
2438
2439 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2440 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2441 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2442}
2443EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq);
2444
e745f992
PDS
2445static void tegra210_utmi_param_configure(void)
2446{
2447 u32 reg;
2448 int i;
2449
2450 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
2451 if (osc_freq == utmi_parameters[i].osc_frequency)
2452 break;
2453 }
2454
2455 if (i >= ARRAY_SIZE(utmi_parameters)) {
2456 pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
2457 osc_freq);
2458 return;
2459 }
2460
2461 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2462 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2463 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2464
2465 udelay(10);
2466
2467 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2468
2469 /* Program UTMIP PLL stable and active counts */
2470 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
2471 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
2472 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
2473
2474 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
e745f992
PDS
2475 reg |=
2476 UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
2477 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2478
2479 /* Program UTMIP PLL delay and oscillator frequency counts */
2480 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
e745f992 2481
71422dbb 2482 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
e745f992
PDS
2483 reg |=
2484 UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
2485
2486 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
2487 reg |=
2488 UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count);
2489
2490 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
2491 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2492
2493 /* Remove power downs from UTMIP PLL control bits */
2494 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2495 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2496 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2497 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
71422dbb
AF
2498
2499 udelay(20);
e745f992
PDS
2500
2501 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
2502 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2503 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
2504 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
2505 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
2506 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
2507 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
2508 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
2509 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2510
2511 /* Setup HW control of UTMIPLL */
2512 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2513 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2514 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2515 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2516
2517 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2518 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
2519 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
2520 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2521
2522 udelay(1);
2523
2524 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2525 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
2526 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2527
2528 udelay(1);
2529
2530 /* Enable HW control UTMIPLL */
2531 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2532 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
2533 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2534}
2535
2536static int tegra210_enable_pllu(void)
2537{
2538 struct tegra_clk_pll_freq_table *fentry;
2539 struct tegra_clk_pll pllu;
2540 u32 reg;
2541
2542 for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) {
2543 if (fentry->input_rate == pll_ref_freq)
2544 break;
2545 }
2546
2547 if (!fentry->input_rate) {
2548 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq);
2549 return -EINVAL;
2550 }
2551
2552 /* clear IDDQ bit */
2553 pllu.params = &pll_u_vco_params;
2554 reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
2555 reg &= ~BIT(pllu.params->iddq_bit_idx);
2556 writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
2557
2558 reg = readl_relaxed(clk_base + PLLU_BASE);
2559 reg &= ~GENMASK(20, 0);
2560 reg |= fentry->m;
2561 reg |= fentry->n << 8;
2562 reg |= fentry->p << 16;
2563 writel(reg, clk_base + PLLU_BASE);
2564 reg |= PLL_ENABLE;
2565 writel(reg, clk_base + PLLU_BASE);
2566
2567 readl_relaxed_poll_timeout(clk_base + PLLU_BASE, reg,
2568 reg & PLL_BASE_LOCK, 2, 1000);
2569 if (!(reg & PLL_BASE_LOCK)) {
2570 pr_err("Timed out waiting for PLL_U to lock\n");
2571 return -ETIMEDOUT;
2572 }
2573
2574 return 0;
2575}
2576
2577static int tegra210_init_pllu(void)
2578{
2579 u32 reg;
2580 int err;
2581
2582 tegra210_pllu_set_defaults(&pll_u_vco_params);
2583 /* skip initialization when pllu is in hw controlled mode */
2584 reg = readl_relaxed(clk_base + PLLU_BASE);
2585 if (reg & PLLU_BASE_OVERRIDE) {
2586 if (!(reg & PLL_ENABLE)) {
2587 err = tegra210_enable_pllu();
2588 if (err < 0) {
2589 WARN_ON(1);
2590 return err;
2591 }
2592 }
2593 /* enable hw controlled mode */
2594 reg = readl_relaxed(clk_base + PLLU_BASE);
2595 reg &= ~PLLU_BASE_OVERRIDE;
2596 writel(reg, clk_base + PLLU_BASE);
2597
2598 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2599 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
2600 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
2601 PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
2602 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
2603 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
2604 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2605
2606 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2607 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK;
2608 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2609 udelay(1);
2610
2611 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2612 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
2613 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2614 udelay(1);
2615
2616 reg = readl_relaxed(clk_base + PLLU_BASE);
2617 reg &= ~PLLU_BASE_CLKENABLE_USB;
2618 writel_relaxed(reg, clk_base + PLLU_BASE);
2619 }
2620
2621 /* enable UTMIPLL hw control if not yet done by the bootloader */
2622 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2623 if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE))
2624 tegra210_utmi_param_configure();
2625
2626 return 0;
2627}
2628
6b301a05
RK
2629static __init void tegra210_periph_clk_init(void __iomem *clk_base,
2630 void __iomem *pmc_base)
2631{
2632 struct clk *clk;
2633
2634 /* xusb_ss_div2 */
2635 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
2636 1, 2);
2637 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
2638
74d3ba0b
TR
2639 clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base,
2640 1, 17, 222);
2641 clks[TEGRA210_CLK_SOR_SAFE] = clk;
2642
2e34c2ac 2643 clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base,
eede7113
TR
2644 1, 17, 181);
2645 clks[TEGRA210_CLK_DPAUX] = clk;
2646
2e34c2ac 2647 clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base,
eede7113
TR
2648 1, 17, 207);
2649 clks[TEGRA210_CLK_DPAUX1] = clk;
2650
6b301a05
RK
2651 /* pll_d_dsi_out */
2652 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
2653 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
2654 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
2655
2656 /* dsia */
2657 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
2658 clk_base, 0, 48,
2659 periph_clk_enb_refcnt);
2660 clks[TEGRA210_CLK_DSIA] = clk;
2661
2662 /* dsib */
2663 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
2664 clk_base, 0, 82,
2665 periph_clk_enb_refcnt);
2666 clks[TEGRA210_CLK_DSIB] = clk;
2667
2668 /* emc mux */
2669 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
2670 ARRAY_SIZE(mux_pllmcp_clkm), 0,
2671 clk_base + CLK_SOURCE_EMC,
2672 29, 3, 0, &emc_lock);
2673
2674 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
2675 &emc_lock);
2676 clks[TEGRA210_CLK_MC] = clk;
2677
2678 /* cml0 */
2679 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
2680 0, 0, &pll_e_lock);
2681 clk_register_clkdev(clk, "cml0", NULL);
2682 clks[TEGRA210_CLK_CML0] = clk;
2683
2684 /* cml1 */
2685 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
2686 1, 0, &pll_e_lock);
2687 clk_register_clkdev(clk, "cml1", NULL);
2688 clks[TEGRA210_CLK_CML1] = clk;
2689
24c3ebef
PDS
2690 clk = tegra_clk_register_super_clk("aclk", aclk_parents,
2691 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0,
2692 0, NULL);
2693 clks[TEGRA210_CLK_ACLK] = clk;
2694
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RK
2695 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
2696}
2697
2698static void __init tegra210_pll_init(void __iomem *clk_base,
2699 void __iomem *pmc)
2700{
6b301a05
RK
2701 struct clk *clk;
2702
2703 /* PLLC */
ac99afe5 2704 clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base,
6b301a05
RK
2705 pmc, 0, &pll_c_params, NULL);
2706 if (!WARN_ON(IS_ERR(clk)))
2707 clk_register_clkdev(clk, "pll_c", NULL);
2708 clks[TEGRA210_CLK_PLL_C] = clk;
2709
2710 /* PLLC_OUT1 */
2711 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
2712 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
2713 8, 8, 1, NULL);
2714 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
2715 clk_base + PLLC_OUT, 1, 0,
2716 CLK_SET_RATE_PARENT, 0, NULL);
2717 clk_register_clkdev(clk, "pll_c_out1", NULL);
2718 clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
2719
2720 /* PLLC_UD */
2721 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
2722 CLK_SET_RATE_PARENT, 1, 1);
2723 clk_register_clkdev(clk, "pll_c_ud", NULL);
2724 clks[TEGRA210_CLK_PLL_C_UD] = clk;
2725
2726 /* PLLC2 */
2727 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
2728 pmc, 0, &pll_c2_params, NULL);
2729 clk_register_clkdev(clk, "pll_c2", NULL);
2730 clks[TEGRA210_CLK_PLL_C2] = clk;
2731
2732 /* PLLC3 */
2733 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
2734 pmc, 0, &pll_c3_params, NULL);
2735 clk_register_clkdev(clk, "pll_c3", NULL);
2736 clks[TEGRA210_CLK_PLL_C3] = clk;
2737
2738 /* PLLM */
2739 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
2740 CLK_SET_RATE_GATE, &pll_m_params, NULL);
2741 clk_register_clkdev(clk, "pll_m", NULL);
2742 clks[TEGRA210_CLK_PLL_M] = clk;
2743
2744 /* PLLMB */
2745 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
2746 CLK_SET_RATE_GATE, &pll_mb_params, NULL);
2747 clk_register_clkdev(clk, "pll_mb", NULL);
2748 clks[TEGRA210_CLK_PLL_MB] = clk;
2749
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RK
2750 /* PLLM_UD */
2751 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
2752 CLK_SET_RATE_PARENT, 1, 1);
2753 clk_register_clkdev(clk, "pll_m_ud", NULL);
2754 clks[TEGRA210_CLK_PLL_M_UD] = clk;
2755
2756 /* PLLU_VCO */
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PDS
2757 if (!tegra210_init_pllu()) {
2758 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
2759 480*1000*1000);
2760 clk_register_clkdev(clk, "pll_u_vco", NULL);
2761 clks[TEGRA210_CLK_PLL_U] = clk;
2762 }
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RK
2763
2764 /* PLLU_OUT */
2765 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
2766 clk_base + PLLU_BASE, 16, 4, 0,
2767 pll_vco_post_div_table, NULL);
2768 clk_register_clkdev(clk, "pll_u_out", NULL);
2769 clks[TEGRA210_CLK_PLL_U_OUT] = clk;
2770
2771 /* PLLU_OUT1 */
2772 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
2773 clk_base + PLLU_OUTA, 0,
2774 TEGRA_DIVIDER_ROUND_UP,
2775 8, 8, 1, &pll_u_lock);
2776 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
2777 clk_base + PLLU_OUTA, 1, 0,
2778 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
2779 clk_register_clkdev(clk, "pll_u_out1", NULL);
2780 clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
2781
2782 /* PLLU_OUT2 */
2783 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
2784 clk_base + PLLU_OUTA, 0,
2785 TEGRA_DIVIDER_ROUND_UP,
2786 24, 8, 1, &pll_u_lock);
2787 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
2788 clk_base + PLLU_OUTA, 17, 16,
2789 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
2790 clk_register_clkdev(clk, "pll_u_out2", NULL);
2791 clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
2792
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RK
2793 /* PLLU_480M */
2794 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
2795 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2796 22, 0, &pll_u_lock);
2797 clk_register_clkdev(clk, "pll_u_480M", NULL);
2798 clks[TEGRA210_CLK_PLL_U_480M] = clk;
2799
2800 /* PLLU_60M */
2801 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
2802 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2803 23, 0, NULL);
2804 clk_register_clkdev(clk, "pll_u_60M", NULL);
2805 clks[TEGRA210_CLK_PLL_U_60M] = clk;
2806
2807 /* PLLU_48M */
2808 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
2809 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2810 25, 0, NULL);
2811 clk_register_clkdev(clk, "pll_u_48M", NULL);
2812 clks[TEGRA210_CLK_PLL_U_48M] = clk;
2813
2814 /* PLLD */
2815 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
2816 &pll_d_params, &pll_d_lock);
2817 clk_register_clkdev(clk, "pll_d", NULL);
2818 clks[TEGRA210_CLK_PLL_D] = clk;
2819
2820 /* PLLD_OUT0 */
2821 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
2822 CLK_SET_RATE_PARENT, 1, 2);
2823 clk_register_clkdev(clk, "pll_d_out0", NULL);
2824 clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
2825
2826 /* PLLRE */
926655f9
RK
2827 clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref",
2828 clk_base, pmc, 0,
2829 &pll_re_vco_params,
2830 &pll_re_lock, pll_ref_freq);
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RK
2831 clk_register_clkdev(clk, "pll_re_vco", NULL);
2832 clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
2833
2834 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
2835 clk_base + PLLRE_BASE, 16, 5, 0,
2836 pll_vco_post_div_table, &pll_re_lock);
2837 clk_register_clkdev(clk, "pll_re_out", NULL);
2838 clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
2839
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RK
2840 clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco",
2841 clk_base + PLLRE_OUT1, 0,
2842 TEGRA_DIVIDER_ROUND_UP,
2843 8, 8, 1, NULL);
2844 clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div",
2845 clk_base + PLLRE_OUT1, 1, 0,
2846 CLK_SET_RATE_PARENT, 0, NULL);
2847 clks[TEGRA210_CLK_PLL_RE_OUT1] = clk;
2848
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RK
2849 /* PLLE */
2850 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
2851 clk_base, 0, &pll_e_params, NULL);
2852 clk_register_clkdev(clk, "pll_e", NULL);
2853 clks[TEGRA210_CLK_PLL_E] = clk;
2854
2855 /* PLLC4 */
2856 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
2857 0, &pll_c4_vco_params, NULL, pll_ref_freq);
2858 clk_register_clkdev(clk, "pll_c4_vco", NULL);
2859 clks[TEGRA210_CLK_PLL_C4] = clk;
2860
2861 /* PLLC4_OUT0 */
2862 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
2863 clk_base + PLLC4_BASE, 19, 4, 0,
2864 pll_vco_post_div_table, NULL);
2865 clk_register_clkdev(clk, "pll_c4_out0", NULL);
2866 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
2867
2868 /* PLLC4_OUT1 */
2869 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
2870 CLK_SET_RATE_PARENT, 1, 3);
2871 clk_register_clkdev(clk, "pll_c4_out1", NULL);
2872 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
2873
2874 /* PLLC4_OUT2 */
2875 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
2876 CLK_SET_RATE_PARENT, 1, 5);
2877 clk_register_clkdev(clk, "pll_c4_out2", NULL);
2878 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
2879
2880 /* PLLC4_OUT3 */
2881 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
2882 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
2883 8, 8, 1, NULL);
2884 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
2885 clk_base + PLLC4_OUT, 1, 0,
2886 CLK_SET_RATE_PARENT, 0, NULL);
2887 clk_register_clkdev(clk, "pll_c4_out3", NULL);
2888 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
2889
2890 /* PLLDP */
2891 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
2892 0, &pll_dp_params, NULL);
2893 clk_register_clkdev(clk, "pll_dp", NULL);
2894 clks[TEGRA210_CLK_PLL_DP] = clk;
2895
2896 /* PLLD2 */
2897 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
2898 0, &pll_d2_params, NULL);
2899 clk_register_clkdev(clk, "pll_d2", NULL);
2900 clks[TEGRA210_CLK_PLL_D2] = clk;
2901
2902 /* PLLD2_OUT0 */
2903 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
2904 CLK_SET_RATE_PARENT, 1, 1);
2905 clk_register_clkdev(clk, "pll_d2_out0", NULL);
2906 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
2907
2908 /* PLLP_OUT2 */
2909 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
2910 CLK_SET_RATE_PARENT, 1, 2);
2911 clk_register_clkdev(clk, "pll_p_out2", NULL);
2912 clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
2913
2914}
2915
2916/* Tegra210 CPU clock and reset control functions */
2917static void tegra210_wait_cpu_in_reset(u32 cpu)
2918{
2919 unsigned int reg;
2920
2921 do {
2922 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
2923 cpu_relax();
2924 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
2925}
2926
2927static void tegra210_disable_cpu_clock(u32 cpu)
2928{
2929 /* flow controller would take care in the power sequence. */
2930}
2931
2932#ifdef CONFIG_PM_SLEEP
2933static void tegra210_cpu_clock_suspend(void)
2934{
2935 /* switch coresite to clk_m, save off original source */
2936 tegra210_cpu_clk_sctx.clk_csite_src =
2937 readl(clk_base + CLK_SOURCE_CSITE);
2938 writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
2939}
2940
2941static void tegra210_cpu_clock_resume(void)
2942{
2943 writel(tegra210_cpu_clk_sctx.clk_csite_src,
2944 clk_base + CLK_SOURCE_CSITE);
2945}
2946#endif
2947
2948static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
2949 .wait_for_reset = tegra210_wait_cpu_in_reset,
2950 .disable_clock = tegra210_disable_cpu_clock,
2951#ifdef CONFIG_PM_SLEEP
2952 .suspend = tegra210_cpu_clock_suspend,
2953 .resume = tegra210_cpu_clock_resume,
2954#endif
2955};
2956
2957static const struct of_device_id pmc_match[] __initconst = {
2958 { .compatible = "nvidia,tegra210-pmc" },
2959 { },
2960};
2961
2962static struct tegra_clk_init_table init_table[] __initdata = {
2963 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
2964 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
2965 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
2966 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
2967 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 },
2968 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 },
2969 { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 },
2970 { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 },
2971 { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 },
2972 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2973 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2974 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2975 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2976 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2977 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
2978 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
2979 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 1 },
2980 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
2981 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
2982 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
2983 { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 },
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RK
2984 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
2985 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
2986 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
2987 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
2988 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
2989 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
2990 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
2991 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
2992 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
2993 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
2994 { TEGRA210_CLK_EMC, TEGRA210_CLK_CLK_MAX, 0, 1 },
2995 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
2996 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
bea1baa1
PDS
2997 /* TODO find a way to enable this on-demand */
2998 { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 },
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RK
2999 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
3000 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
3001 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
3002 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
3003 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
3004 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
3005 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
3006 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
3007 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
3008 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
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PDS
3009 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
3010 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
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RK
3011 /* This MUST be the last entry. */
3012 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
3013};
3014
3015/**
3016 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
3017 *
3018 * Program an initial clock rate and enable or disable clocks needed
3019 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be
3020 * called by assigning a pointer to it to tegra_clk_apply_init_table -
3021 * this will be called as an arch_initcall. No return value.
3022 */
3023static void __init tegra210_clock_apply_init_table(void)
3024{
3025 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
3026}
3027
68d724ce
PDS
3028/**
3029 * tegra210_car_barrier - wait for pending writes to the CAR to complete
3030 *
3031 * Wait for any outstanding writes to the CAR MMIO space from this CPU
3032 * to complete before continuing execution. No return value.
3033 */
3034static void tegra210_car_barrier(void)
3035{
3036 readl_relaxed(clk_base + RST_DFLL_DVCO);
3037}
3038
3039/**
3040 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
3041 *
3042 * Assert the reset line of the DFLL's DVCO. No return value.
3043 */
3044static void tegra210_clock_assert_dfll_dvco_reset(void)
3045{
3046 u32 v;
3047
3048 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3049 v |= (1 << DVFS_DFLL_RESET_SHIFT);
3050 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3051 tegra210_car_barrier();
3052}
3053
3054/**
3055 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
3056 *
3057 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
3058 * operate. No return value.
3059 */
3060static void tegra210_clock_deassert_dfll_dvco_reset(void)
3061{
3062 u32 v;
3063
3064 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3065 v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
3066 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3067 tegra210_car_barrier();
3068}
3069
3070static int tegra210_reset_assert(unsigned long id)
3071{
3072 if (id == TEGRA210_RST_DFLL_DVCO)
3073 tegra210_clock_assert_dfll_dvco_reset();
3074 else if (id == TEGRA210_RST_ADSP)
3075 writel(GENMASK(26, 21) | BIT(7),
3076 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET);
3077 else
3078 return -EINVAL;
3079
3080 return 0;
3081}
3082
3083static int tegra210_reset_deassert(unsigned long id)
3084{
3085 if (id == TEGRA210_RST_DFLL_DVCO)
3086 tegra210_clock_deassert_dfll_dvco_reset();
3087 else if (id == TEGRA210_RST_ADSP) {
3088 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3089 /*
3090 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz)
3091 * a delay of 5us ensures that it's at least
3092 * 6 * adsp_cpu_cycle_period long.
3093 */
3094 udelay(5);
3095 writel(GENMASK(26, 22) | BIT(7),
3096 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3097 } else
3098 return -EINVAL;
3099
3100 return 0;
3101}
3102
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RK
3103/**
3104 * tegra210_clock_init - Tegra210-specific clock initialization
3105 * @np: struct device_node * of the DT node for the SoC CAR IP block
3106 *
3107 * Register most SoC clocks for the Tegra210 system-on-chip. Intended
3108 * to be called by the OF init code when a DT node with the
3109 * "nvidia,tegra210-car" string is encountered, and declared with
3110 * CLK_OF_DECLARE. No return value.
3111 */
3112static void __init tegra210_clock_init(struct device_node *np)
3113{
3114 struct device_node *node;
3115 u32 value, clk_m_div;
3116
3117 clk_base = of_iomap(np, 0);
3118 if (!clk_base) {
3119 pr_err("ioremap tegra210 CAR failed\n");
3120 return;
3121 }
3122
3123 node = of_find_matching_node(NULL, pmc_match);
3124 if (!node) {
3125 pr_err("Failed to find pmc node\n");
3126 WARN_ON(1);
3127 return;
3128 }
3129
3130 pmc_base = of_iomap(node, 0);
3131 if (!pmc_base) {
3132 pr_err("Can't map pmc registers\n");
3133 WARN_ON(1);
3134 return;
3135 }
3136
3137 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
3138 TEGRA210_CAR_BANK_COUNT);
3139 if (!clks)
3140 return;
3141
3142 value = clk_readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
3143 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
3144
3145 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
3146 ARRAY_SIZE(tegra210_input_freq), clk_m_div,
3147 &osc_freq, &pll_ref_freq) < 0)
3148 return;
3149
3150 tegra_fixed_clk_init(tegra210_clks);
3151 tegra210_pll_init(clk_base, pmc_base);
3152 tegra210_periph_clk_init(clk_base, pmc_base);
3153 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
3154 tegra210_audio_plls,
3155 ARRAY_SIZE(tegra210_audio_plls));
3156 tegra_pmc_clk_init(pmc_base, tegra210_clks);
3157
3158 /* For Tegra210, PLLD is the only source for DSIA & DSIB */
3159 value = clk_readl(clk_base + PLLD_BASE);
3160 value &= ~BIT(25);
3161 clk_writel(value, clk_base + PLLD_BASE);
3162
3163 tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
3164
3165 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
3166 &pll_x_params);
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PDS
3167 tegra_init_special_resets(2, tegra210_reset_assert,
3168 tegra210_reset_deassert);
3169
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RK
3170 tegra_add_of_provider(np);
3171 tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
3172
3173 tegra_cpu_car_ops = &tegra210_cpu_car_ops;
3174}
3175CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);