clk: tegra: Add Tegra210 special resets
[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)
149#define PLLD2_SSC_EN_MASK BIT(30)
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)
184#define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
185#define SATA_PLL_CFG0_SEQ_ENABLE BIT(24)
186
187#define XUSBIO_PLL_CFG0 0x51c
188#define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
189#define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2)
190#define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6)
191#define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
192#define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24)
193
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194#define UTMIPLL_HW_PWRDN_CFG0 0x52c
195#define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31)
196#define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
197#define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
198#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7)
199#define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
200#define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
201#define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
202#define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
203#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
204#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
205
206#define PLLU_HW_PWRDN_CFG0 0x530
207#define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28)
208#define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
209#define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7)
210#define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
211#define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
212#define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0)
213
214#define XUSB_PLL_CFG0 0x534
215#define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff
216#define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14)
217
218#define SPARE_REG0 0x55c
219#define CLK_M_DIVISOR_SHIFT 2
220#define CLK_M_DIVISOR_MASK 0x3
221
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222#define RST_DFLL_DVCO 0x2f4
223#define DVFS_DFLL_RESET_SHIFT 0
224
225#define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8
226#define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac
227
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228/*
229 * SDM fractional divisor is 16-bit 2's complement signed number within
230 * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
231 * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to
232 * indicate that SDM is disabled.
233 *
234 * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
235 */
236#define PLL_SDM_COEFF BIT(13)
237#define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU))
238#define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat)
239
240/* Tegra CPU clock and reset control regs */
241#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
242
243#ifdef CONFIG_PM_SLEEP
244static struct cpu_clk_suspend_context {
245 u32 clk_csite_src;
246} tegra210_cpu_clk_sctx;
247#endif
248
249static void __iomem *clk_base;
250static void __iomem *pmc_base;
251
252static unsigned long osc_freq;
253static unsigned long pll_ref_freq;
254
255static DEFINE_SPINLOCK(pll_d_lock);
256static DEFINE_SPINLOCK(pll_e_lock);
257static DEFINE_SPINLOCK(pll_re_lock);
258static DEFINE_SPINLOCK(pll_u_lock);
259static DEFINE_SPINLOCK(emc_lock);
260
261/* possible OSC frequencies in Hz */
262static unsigned long tegra210_input_freq[] = {
263 [5] = 38400000,
264 [8] = 12000000,
265};
266
267static const char *mux_pllmcp_clkm[] = {
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268 "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb",
269 "pll_p",
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270};
271#define mux_pllmcp_clkm_idx NULL
272
273#define PLL_ENABLE (1 << 30)
274
275#define PLLCX_MISC1_IDDQ (1 << 27)
276#define PLLCX_MISC0_RESET (1 << 30)
277
278#define PLLCX_MISC0_DEFAULT_VALUE 0x40080000
279#define PLLCX_MISC0_WRITE_MASK 0x400ffffb
280#define PLLCX_MISC1_DEFAULT_VALUE 0x08000000
281#define PLLCX_MISC1_WRITE_MASK 0x08003cff
282#define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05
283#define PLLCX_MISC2_WRITE_MASK 0xffffff17
284#define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4
285#define PLLCX_MISC3_WRITE_MASK 0x00ffffff
286
287/* PLLA */
288#define PLLA_BASE_IDDQ (1 << 25)
289#define PLLA_BASE_LOCK (1 << 27)
290
291#define PLLA_MISC0_LOCK_ENABLE (1 << 28)
292#define PLLA_MISC0_LOCK_OVERRIDE (1 << 27)
293
294#define PLLA_MISC2_EN_SDM (1 << 26)
295#define PLLA_MISC2_EN_DYNRAMP (1 << 25)
296
297#define PLLA_MISC0_DEFAULT_VALUE 0x12000020
298#define PLLA_MISC0_WRITE_MASK 0x7fffffff
299#define PLLA_MISC2_DEFAULT_VALUE 0x0
300#define PLLA_MISC2_WRITE_MASK 0x06ffffff
301
302/* PLLD */
303#define PLLD_MISC0_EN_SDM (1 << 16)
304#define PLLD_MISC0_LOCK_OVERRIDE (1 << 17)
305#define PLLD_MISC0_LOCK_ENABLE (1 << 18)
306#define PLLD_MISC0_IDDQ (1 << 20)
307#define PLLD_MISC0_DSI_CLKENABLE (1 << 21)
308
309#define PLLD_MISC0_DEFAULT_VALUE 0x00140000
310#define PLLD_MISC0_WRITE_MASK 0x3ff7ffff
311#define PLLD_MISC1_DEFAULT_VALUE 0x20
312#define PLLD_MISC1_WRITE_MASK 0x00ffffff
313
314/* PLLD2 and PLLDP and PLLC4 */
315#define PLLDSS_BASE_LOCK (1 << 27)
316#define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24)
317#define PLLDSS_BASE_IDDQ (1 << 18)
318#define PLLDSS_BASE_REF_SEL_SHIFT 25
319#define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
320
321#define PLLDSS_MISC0_LOCK_ENABLE (1 << 30)
322
323#define PLLDSS_MISC1_CFG_EN_SDM (1 << 31)
324#define PLLDSS_MISC1_CFG_EN_SSC (1 << 30)
325
326#define PLLD2_MISC0_DEFAULT_VALUE 0x40000020
327#define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000
328#define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0
329#define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0
330
331#define PLLDP_MISC0_DEFAULT_VALUE 0x40000020
332#define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000
333#define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da
334#define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400
335
336#define PLLDSS_MISC0_WRITE_MASK 0x47ffffff
337#define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000
338#define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff
339#define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff
340
341#define PLLC4_MISC0_DEFAULT_VALUE 0x40000000
342
343/* PLLRE */
344#define PLLRE_MISC0_LOCK_ENABLE (1 << 30)
345#define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29)
346#define PLLRE_MISC0_LOCK (1 << 27)
347#define PLLRE_MISC0_IDDQ (1 << 24)
348
349#define PLLRE_BASE_DEFAULT_VALUE 0x0
350#define PLLRE_MISC0_DEFAULT_VALUE 0x41000000
351
352#define PLLRE_BASE_DEFAULT_MASK 0x1c000000
353#define PLLRE_MISC0_WRITE_MASK 0x67ffffff
354
355/* PLLX */
356#define PLLX_USE_DYN_RAMP 1
357#define PLLX_BASE_LOCK (1 << 27)
358
359#define PLLX_MISC0_FO_G_DISABLE (0x1 << 28)
360#define PLLX_MISC0_LOCK_ENABLE (0x1 << 18)
361
362#define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24
363#define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
364#define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16
365#define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
366#define PLLX_MISC2_NDIV_NEW_SHIFT 8
367#define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
368#define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4)
369#define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2)
370#define PLLX_MISC2_EN_DYNRAMP (0x1 << 0)
371
372#define PLLX_MISC3_IDDQ (0x1 << 3)
373
374#define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE
375#define PLLX_MISC0_WRITE_MASK 0x10c40000
376#define PLLX_MISC1_DEFAULT_VALUE 0x20
377#define PLLX_MISC1_WRITE_MASK 0x00ffffff
378#define PLLX_MISC2_DEFAULT_VALUE 0x0
379#define PLLX_MISC2_WRITE_MASK 0xffffff11
380#define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ
381#define PLLX_MISC3_WRITE_MASK 0x01ff0f0f
382#define PLLX_MISC4_DEFAULT_VALUE 0x0
383#define PLLX_MISC4_WRITE_MASK 0x8000ffff
384#define PLLX_MISC5_DEFAULT_VALUE 0x0
385#define PLLX_MISC5_WRITE_MASK 0x0000ffff
386
387#define PLLX_HW_CTRL_CFG 0x548
388#define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0)
389
390/* PLLMB */
391#define PLLMB_BASE_LOCK (1 << 27)
392
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393#define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18)
394#define PLLMB_MISC1_IDDQ (1 << 17)
395#define PLLMB_MISC1_LOCK_ENABLE (1 << 16)
6b301a05 396
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397#define PLLMB_MISC1_DEFAULT_VALUE 0x00030000
398#define PLLMB_MISC1_WRITE_MASK 0x0007ffff
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399
400/* PLLP */
401#define PLLP_BASE_OVERRIDE (1 << 28)
402#define PLLP_BASE_LOCK (1 << 27)
403
404#define PLLP_MISC0_LOCK_ENABLE (1 << 18)
405#define PLLP_MISC0_LOCK_OVERRIDE (1 << 17)
406#define PLLP_MISC0_IDDQ (1 << 3)
407
408#define PLLP_MISC1_HSIO_EN_SHIFT 29
409#define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT)
410#define PLLP_MISC1_XUSB_EN_SHIFT 28
411#define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT)
412
413#define PLLP_MISC0_DEFAULT_VALUE 0x00040008
414#define PLLP_MISC1_DEFAULT_VALUE 0x0
415
416#define PLLP_MISC0_WRITE_MASK 0xdc6000f
417#define PLLP_MISC1_WRITE_MASK 0x70ffffff
418
419/* PLLU */
420#define PLLU_BASE_LOCK (1 << 27)
421#define PLLU_BASE_OVERRIDE (1 << 24)
422#define PLLU_BASE_CLKENABLE_USB (1 << 21)
423#define PLLU_BASE_CLKENABLE_HSIC (1 << 22)
424#define PLLU_BASE_CLKENABLE_ICUSB (1 << 23)
425#define PLLU_BASE_CLKENABLE_48M (1 << 25)
426#define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\
427 PLLU_BASE_CLKENABLE_HSIC |\
428 PLLU_BASE_CLKENABLE_ICUSB |\
429 PLLU_BASE_CLKENABLE_48M)
430
431#define PLLU_MISC0_IDDQ (1 << 31)
432#define PLLU_MISC0_LOCK_ENABLE (1 << 29)
433#define PLLU_MISC1_LOCK_OVERRIDE (1 << 0)
434
435#define PLLU_MISC0_DEFAULT_VALUE 0xa0000000
436#define PLLU_MISC1_DEFAULT_VALUE 0x0
437
438#define PLLU_MISC0_WRITE_MASK 0xbfffffff
439#define PLLU_MISC1_WRITE_MASK 0x00000007
440
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441void tegra210_xusb_pll_hw_control_enable(void)
442{
443 u32 val;
444
445 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
446 val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
447 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
448 val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
449 XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ;
450 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
451}
452EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable);
453
454void tegra210_xusb_pll_hw_sequence_start(void)
455{
456 u32 val;
457
458 val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
459 val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
460 writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
461}
462EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start);
463
464void tegra210_sata_pll_hw_control_enable(void)
465{
466 u32 val;
467
468 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
469 val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
470 val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET |
471 SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ;
472 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
473}
474EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable);
475
476void tegra210_sata_pll_hw_sequence_start(void)
477{
478 u32 val;
479
480 val = readl_relaxed(clk_base + SATA_PLL_CFG0);
481 val |= SATA_PLL_CFG0_SEQ_ENABLE;
482 writel_relaxed(val, clk_base + SATA_PLL_CFG0);
483}
484EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start);
485
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486static inline void _pll_misc_chk_default(void __iomem *base,
487 struct tegra_clk_pll_params *params,
488 u8 misc_num, u32 default_val, u32 mask)
489{
490 u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
491
492 boot_val &= mask;
493 default_val &= mask;
494 if (boot_val != default_val) {
495 pr_warn("boot misc%d 0x%x: expected 0x%x\n",
496 misc_num, boot_val, default_val);
497 pr_warn(" (comparison mask = 0x%x)\n", mask);
498 params->defaults_set = false;
499 }
500}
501
502/*
503 * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
504 * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
505 * that changes NDIV only, while PLL is already locked.
506 */
507static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
508{
509 u32 default_val;
510
511 default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
512 _pll_misc_chk_default(clk_base, params, 0, default_val,
513 PLLCX_MISC0_WRITE_MASK);
514
515 default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
516 _pll_misc_chk_default(clk_base, params, 1, default_val,
517 PLLCX_MISC1_WRITE_MASK);
518
519 default_val = PLLCX_MISC2_DEFAULT_VALUE;
520 _pll_misc_chk_default(clk_base, params, 2, default_val,
521 PLLCX_MISC2_WRITE_MASK);
522
523 default_val = PLLCX_MISC3_DEFAULT_VALUE;
524 _pll_misc_chk_default(clk_base, params, 3, default_val,
525 PLLCX_MISC3_WRITE_MASK);
526}
527
fd360e20
JH
528static void tegra210_pllcx_set_defaults(const char *name,
529 struct tegra_clk_pll *pllcx)
6b301a05
RK
530{
531 pllcx->params->defaults_set = true;
532
533 if (readl_relaxed(clk_base + pllcx->params->base_reg) &
8dce89a1 534 PLL_ENABLE && !pllcx->params->defaults_set) {
6b301a05
RK
535 /* PLL is ON: only check if defaults already set */
536 pllcx_check_defaults(pllcx->params);
537 pr_warn("%s already enabled. Postponing set full defaults\n",
538 name);
539 return;
540 }
541
542 /* Defaults assert PLL reset, and set IDDQ */
543 writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
544 clk_base + pllcx->params->ext_misc_reg[0]);
545 writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
546 clk_base + pllcx->params->ext_misc_reg[1]);
547 writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
548 clk_base + pllcx->params->ext_misc_reg[2]);
549 writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
550 clk_base + pllcx->params->ext_misc_reg[3]);
551 udelay(1);
552}
553
fd360e20 554static void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
6b301a05
RK
555{
556 tegra210_pllcx_set_defaults("PLL_C", pllcx);
557}
558
fd360e20 559static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
6b301a05
RK
560{
561 tegra210_pllcx_set_defaults("PLL_C2", pllcx);
562}
563
fd360e20 564static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
6b301a05
RK
565{
566 tegra210_pllcx_set_defaults("PLL_C3", pllcx);
567}
568
fd360e20 569static void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
6b301a05
RK
570{
571 tegra210_pllcx_set_defaults("PLL_A1", pllcx);
572}
573
574/*
575 * PLLA
576 * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
577 * Fractional SDM is allowed to provide exact audio rates.
578 */
fd360e20 579static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
6b301a05
RK
580{
581 u32 mask;
582 u32 val = readl_relaxed(clk_base + plla->params->base_reg);
583
584 plla->params->defaults_set = true;
585
586 if (val & PLL_ENABLE) {
587 /*
588 * PLL is ON: check if defaults already set, then set those
589 * that can be updated in flight.
590 */
591 if (val & PLLA_BASE_IDDQ) {
592 pr_warn("PLL_A boot enabled with IDDQ set\n");
593 plla->params->defaults_set = false;
594 }
595
596 pr_warn("PLL_A already enabled. Postponing set full defaults\n");
597
598 val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */
599 mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
600 _pll_misc_chk_default(clk_base, plla->params, 0, val,
601 ~mask & PLLA_MISC0_WRITE_MASK);
602
603 val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
604 _pll_misc_chk_default(clk_base, plla->params, 2, val,
605 PLLA_MISC2_EN_DYNRAMP);
606
607 /* Enable lock detect */
608 val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
609 val &= ~mask;
610 val |= PLLA_MISC0_DEFAULT_VALUE & mask;
611 writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
612 udelay(1);
613
614 return;
615 }
616
617 /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
618 val |= PLLA_BASE_IDDQ;
619 writel_relaxed(val, clk_base + plla->params->base_reg);
620 writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
621 clk_base + plla->params->ext_misc_reg[0]);
622 writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
623 clk_base + plla->params->ext_misc_reg[2]);
624 udelay(1);
625}
626
627/*
628 * PLLD
629 * PLL with fractional SDM.
630 */
fd360e20 631static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
6b301a05
RK
632{
633 u32 val;
634 u32 mask = 0xffff;
635
636 plld->params->defaults_set = true;
637
638 if (readl_relaxed(clk_base + plld->params->base_reg) &
639 PLL_ENABLE) {
6b301a05
RK
640
641 /*
642 * PLL is ON: check if defaults already set, then set those
643 * that can be updated in flight.
644 */
645 val = PLLD_MISC1_DEFAULT_VALUE;
646 _pll_misc_chk_default(clk_base, plld->params, 1,
647 val, PLLD_MISC1_WRITE_MASK);
648
649 /* ignore lock, DSI and SDM controls, make sure IDDQ not set */
650 val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
651 mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
652 PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
653 _pll_misc_chk_default(clk_base, plld->params, 0, val,
654 ~mask & PLLD_MISC0_WRITE_MASK);
655
8dce89a1
PDS
656 if (!plld->params->defaults_set)
657 pr_warn("PLL_D already enabled. Postponing set full defaults\n");
658
6b301a05
RK
659 /* Enable lock detect */
660 mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
661 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
662 val &= ~mask;
663 val |= PLLD_MISC0_DEFAULT_VALUE & mask;
664 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
665 udelay(1);
666
667 return;
668 }
669
670 val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
671 val &= PLLD_MISC0_DSI_CLKENABLE;
672 val |= PLLD_MISC0_DEFAULT_VALUE;
673 /* set IDDQ, enable lock detect, disable SDM */
674 writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
675 writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
676 plld->params->ext_misc_reg[1]);
677 udelay(1);
678}
679
680/*
681 * PLLD2, PLLDP
682 * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
683 */
684static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
685 u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
686{
687 u32 default_val;
688 u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
689
690 plldss->params->defaults_set = true;
691
692 if (val & PLL_ENABLE) {
693 pr_warn("%s already enabled. Postponing set full defaults\n",
694 pll_name);
695
696 /*
697 * PLL is ON: check if defaults already set, then set those
698 * that can be updated in flight.
699 */
700 if (val & PLLDSS_BASE_IDDQ) {
701 pr_warn("plldss boot enabled with IDDQ set\n");
702 plldss->params->defaults_set = false;
703 }
704
705 /* ignore lock enable */
706 default_val = misc0_val;
707 _pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
708 PLLDSS_MISC0_WRITE_MASK &
709 (~PLLDSS_MISC0_LOCK_ENABLE));
710
711 /*
712 * If SSC is used, check all settings, otherwise just confirm
713 * that SSC is not used on boot as well. Do nothing when using
714 * this function for PLLC4 that has only MISC0.
715 */
716 if (plldss->params->ssc_ctrl_en_mask) {
717 default_val = misc1_val;
718 _pll_misc_chk_default(clk_base, plldss->params, 1,
719 default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
720 default_val = misc2_val;
721 _pll_misc_chk_default(clk_base, plldss->params, 2,
722 default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
723 default_val = misc3_val;
724 _pll_misc_chk_default(clk_base, plldss->params, 3,
725 default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
726 } else if (plldss->params->ext_misc_reg[1]) {
727 default_val = misc1_val;
728 _pll_misc_chk_default(clk_base, plldss->params, 1,
729 default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
730 (~PLLDSS_MISC1_CFG_EN_SDM));
731 }
732
733 /* Enable lock detect */
734 if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
735 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
736 writel_relaxed(val, clk_base +
737 plldss->params->base_reg);
738 }
739
740 val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
741 val &= ~PLLDSS_MISC0_LOCK_ENABLE;
742 val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
743 writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
744 udelay(1);
745
746 return;
747 }
748
749 /* set IDDQ, enable lock detect, configure SDM/SSC */
750 val |= PLLDSS_BASE_IDDQ;
751 val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
752 writel_relaxed(val, clk_base + plldss->params->base_reg);
753
754 /* When using this function for PLLC4 exit here */
755 if (!plldss->params->ext_misc_reg[1]) {
756 writel_relaxed(misc0_val, clk_base +
757 plldss->params->ext_misc_reg[0]);
758 udelay(1);
759 return;
760 }
761
762 writel_relaxed(misc0_val, clk_base +
763 plldss->params->ext_misc_reg[0]);
764 /* if SSC used set by 1st enable */
765 writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
766 clk_base + plldss->params->ext_misc_reg[1]);
767 writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
768 writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
769 udelay(1);
770}
771
fd360e20 772static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
6b301a05
RK
773{
774 plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
775 PLLD2_MISC1_CFG_DEFAULT_VALUE,
776 PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
777 PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
778}
779
fd360e20 780static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
6b301a05
RK
781{
782 plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
783 PLLDP_MISC1_CFG_DEFAULT_VALUE,
784 PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
785 PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
786}
787
788/*
789 * PLLC4
790 * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
791 * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
792 */
fd360e20 793static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
6b301a05
RK
794{
795 plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
796}
797
798/*
799 * PLLRE
800 * VCO is exposed to the clock tree directly along with post-divider output
801 */
fd360e20 802static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
6b301a05
RK
803{
804 u32 mask;
805 u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
806
807 pllre->params->defaults_set = true;
808
809 if (val & PLL_ENABLE) {
810 pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
811
812 /*
813 * PLL is ON: check if defaults already set, then set those
814 * that can be updated in flight.
815 */
816 val &= PLLRE_BASE_DEFAULT_MASK;
817 if (val != PLLRE_BASE_DEFAULT_VALUE) {
818 pr_warn("pllre boot base 0x%x : expected 0x%x\n",
819 val, PLLRE_BASE_DEFAULT_VALUE);
820 pr_warn("(comparison mask = 0x%x)\n",
821 PLLRE_BASE_DEFAULT_MASK);
822 pllre->params->defaults_set = false;
823 }
824
825 /* Ignore lock enable */
826 val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
827 mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
828 _pll_misc_chk_default(clk_base, pllre->params, 0, val,
829 ~mask & PLLRE_MISC0_WRITE_MASK);
830
831 /* Enable lock detect */
832 val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
833 val &= ~mask;
834 val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
835 writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
836 udelay(1);
837
838 return;
839 }
840
841 /* set IDDQ, enable lock detect */
842 val &= ~PLLRE_BASE_DEFAULT_MASK;
843 val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
844 writel_relaxed(val, clk_base + pllre->params->base_reg);
845 writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
846 clk_base + pllre->params->ext_misc_reg[0]);
847 udelay(1);
848}
849
850static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
851{
852 unsigned long input_rate;
853
3dad5c5f
RK
854 /* cf rate */
855 if (!IS_ERR_OR_NULL(hw->clk))
6b301a05 856 input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
3dad5c5f 857 else
6b301a05 858 input_rate = 38400000;
3dad5c5f
RK
859
860 input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
6b301a05
RK
861
862 switch (input_rate) {
863 case 12000000:
864 case 12800000:
865 case 13000000:
866 *step_a = 0x2B;
867 *step_b = 0x0B;
868 return;
869 case 19200000:
870 *step_a = 0x12;
871 *step_b = 0x08;
872 return;
873 case 38400000:
874 *step_a = 0x04;
875 *step_b = 0x05;
876 return;
877 default:
878 pr_err("%s: Unexpected reference rate %lu\n",
879 __func__, input_rate);
880 BUG();
881 }
882}
883
884static void pllx_check_defaults(struct tegra_clk_pll *pll)
885{
886 u32 default_val;
887
888 default_val = PLLX_MISC0_DEFAULT_VALUE;
889 /* ignore lock enable */
890 _pll_misc_chk_default(clk_base, pll->params, 0, default_val,
891 PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
892
893 default_val = PLLX_MISC1_DEFAULT_VALUE;
894 _pll_misc_chk_default(clk_base, pll->params, 1, default_val,
895 PLLX_MISC1_WRITE_MASK);
896
897 /* ignore all but control bit */
898 default_val = PLLX_MISC2_DEFAULT_VALUE;
899 _pll_misc_chk_default(clk_base, pll->params, 2,
900 default_val, PLLX_MISC2_EN_DYNRAMP);
901
902 default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
903 _pll_misc_chk_default(clk_base, pll->params, 3, default_val,
904 PLLX_MISC3_WRITE_MASK);
905
906 default_val = PLLX_MISC4_DEFAULT_VALUE;
907 _pll_misc_chk_default(clk_base, pll->params, 4, default_val,
908 PLLX_MISC4_WRITE_MASK);
909
910 default_val = PLLX_MISC5_DEFAULT_VALUE;
911 _pll_misc_chk_default(clk_base, pll->params, 5, default_val,
912 PLLX_MISC5_WRITE_MASK);
913}
914
fd360e20 915static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
6b301a05
RK
916{
917 u32 val;
918 u32 step_a, step_b;
919
920 pllx->params->defaults_set = true;
921
922 /* Get ready dyn ramp state machine settings */
923 pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
924 val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
925 (~PLLX_MISC2_DYNRAMP_STEPB_MASK);
926 val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
927 val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
928
929 if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
6b301a05
RK
930
931 /*
932 * PLL is ON: check if defaults already set, then set those
933 * that can be updated in flight.
934 */
935 pllx_check_defaults(pllx);
936
8dce89a1
PDS
937 if (!pllx->params->defaults_set)
938 pr_warn("PLL_X already enabled. Postponing set full defaults\n");
6b301a05
RK
939 /* Configure dyn ramp, disable lock override */
940 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
941
942 /* Enable lock detect */
943 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
944 val &= ~PLLX_MISC0_LOCK_ENABLE;
945 val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
946 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
947 udelay(1);
948
949 return;
950 }
951
952 /* Enable lock detect and CPU output */
953 writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
954 pllx->params->ext_misc_reg[0]);
955
956 /* Setup */
957 writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
958 pllx->params->ext_misc_reg[1]);
959
960 /* Configure dyn ramp state machine, disable lock override */
961 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
962
963 /* Set IDDQ */
964 writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
965 pllx->params->ext_misc_reg[3]);
966
967 /* Disable SDM */
968 writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
969 pllx->params->ext_misc_reg[4]);
970 writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
971 pllx->params->ext_misc_reg[5]);
972 udelay(1);
973}
974
975/* PLLMB */
fd360e20 976static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
6b301a05
RK
977{
978 u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
979
980 pllmb->params->defaults_set = true;
981
982 if (val & PLL_ENABLE) {
6b301a05
RK
983
984 /*
985 * PLL is ON: check if defaults already set, then set those
986 * that can be updated in flight.
987 */
474f2ba2
RK
988 val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
989 mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
6b301a05 990 _pll_misc_chk_default(clk_base, pllmb->params, 0, val,
474f2ba2 991 ~mask & PLLMB_MISC1_WRITE_MASK);
6b301a05 992
8dce89a1
PDS
993 if (!pllmb->params->defaults_set)
994 pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
6b301a05
RK
995 /* Enable lock detect */
996 val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
997 val &= ~mask;
474f2ba2 998 val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
6b301a05
RK
999 writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
1000 udelay(1);
1001
1002 return;
1003 }
1004
1005 /* set IDDQ, enable lock detect */
474f2ba2 1006 writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
6b301a05
RK
1007 clk_base + pllmb->params->ext_misc_reg[0]);
1008 udelay(1);
1009}
1010
1011/*
1012 * PLLP
1013 * VCO is exposed to the clock tree directly along with post-divider output.
1014 * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
1015 * respectively.
1016 */
1017static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
1018{
1019 u32 val, mask;
1020
1021 /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
1022 val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
1023 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1024 if (!enabled)
1025 mask |= PLLP_MISC0_IDDQ;
1026 _pll_misc_chk_default(clk_base, pll->params, 0, val,
1027 ~mask & PLLP_MISC0_WRITE_MASK);
1028
1029 /* Ignore branch controls */
1030 val = PLLP_MISC1_DEFAULT_VALUE;
1031 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1032 _pll_misc_chk_default(clk_base, pll->params, 1, val,
1033 ~mask & PLLP_MISC1_WRITE_MASK);
1034}
1035
fd360e20 1036static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
6b301a05
RK
1037{
1038 u32 mask;
1039 u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
1040
1041 pllp->params->defaults_set = true;
1042
1043 if (val & PLL_ENABLE) {
6b301a05
RK
1044
1045 /*
1046 * PLL is ON: check if defaults already set, then set those
1047 * that can be updated in flight.
1048 */
1049 pllp_check_defaults(pllp, true);
8dce89a1
PDS
1050 if (!pllp->params->defaults_set)
1051 pr_warn("PLL_P already enabled. Postponing set full defaults\n");
6b301a05
RK
1052
1053 /* Enable lock detect */
1054 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
1055 mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1056 val &= ~mask;
1057 val |= PLLP_MISC0_DEFAULT_VALUE & mask;
1058 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
1059 udelay(1);
1060
1061 return;
1062 }
1063
1064 /* set IDDQ, enable lock detect */
1065 writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
1066 clk_base + pllp->params->ext_misc_reg[0]);
1067
1068 /* Preserve branch control */
1069 val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
1070 mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1071 val &= mask;
1072 val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
1073 writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
1074 udelay(1);
1075}
1076
1077/*
1078 * PLLU
1079 * VCO is exposed to the clock tree directly along with post-divider output.
1080 * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
1081 * respectively.
1082 */
e745f992
PDS
1083static void pllu_check_defaults(struct tegra_clk_pll_params *params,
1084 bool hw_control)
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1085{
1086 u32 val, mask;
1087
1088 /* Ignore lock enable (will be set) and IDDQ if under h/w control */
1089 val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
1090 mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
e745f992 1091 _pll_misc_chk_default(clk_base, params, 0, val,
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1092 ~mask & PLLU_MISC0_WRITE_MASK);
1093
1094 val = PLLU_MISC1_DEFAULT_VALUE;
1095 mask = PLLU_MISC1_LOCK_OVERRIDE;
e745f992 1096 _pll_misc_chk_default(clk_base, params, 1, val,
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1097 ~mask & PLLU_MISC1_WRITE_MASK);
1098}
1099
e745f992 1100static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu)
6b301a05 1101{
e745f992 1102 u32 val = readl_relaxed(clk_base + pllu->base_reg);
6b301a05 1103
e745f992 1104 pllu->defaults_set = true;
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RK
1105
1106 if (val & PLL_ENABLE) {
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1107
1108 /*
1109 * PLL is ON: check if defaults already set, then set those
1110 * that can be updated in flight.
1111 */
1112 pllu_check_defaults(pllu, false);
e745f992 1113 if (!pllu->defaults_set)
8dce89a1 1114 pr_warn("PLL_U already enabled. Postponing set full defaults\n");
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RK
1115
1116 /* Enable lock detect */
e745f992 1117 val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]);
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1118 val &= ~PLLU_MISC0_LOCK_ENABLE;
1119 val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
e745f992 1120 writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]);
6b301a05 1121
e745f992 1122 val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]);
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1123 val &= ~PLLU_MISC1_LOCK_OVERRIDE;
1124 val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
e745f992 1125 writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]);
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1126 udelay(1);
1127
1128 return;
1129 }
1130
1131 /* set IDDQ, enable lock detect */
1132 writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
e745f992 1133 clk_base + pllu->ext_misc_reg[0]);
6b301a05 1134 writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
e745f992 1135 clk_base + pllu->ext_misc_reg[1]);
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RK
1136 udelay(1);
1137}
1138
1139#define mask(w) ((1 << (w)) - 1)
1140#define divm_mask(p) mask(p->params->div_nmp->divm_width)
1141#define divn_mask(p) mask(p->params->div_nmp->divn_width)
1142#define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
1143 mask(p->params->div_nmp->divp_width))
1144
1145#define divm_shift(p) ((p)->params->div_nmp->divm_shift)
1146#define divn_shift(p) ((p)->params->div_nmp->divn_shift)
1147#define divp_shift(p) ((p)->params->div_nmp->divp_shift)
1148
1149#define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
1150#define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
1151#define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
1152
1153#define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */
1154static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
1155 u32 reg, u32 mask)
1156{
1157 int i;
1158 u32 val = 0;
1159
1160 for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
1161 udelay(PLL_LOCKDET_DELAY);
1162 val = readl_relaxed(clk_base + reg);
1163 if ((val & mask) == mask) {
1164 udelay(PLL_LOCKDET_DELAY);
1165 return 0;
1166 }
1167 }
1168 return -ETIMEDOUT;
1169}
1170
1171static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
1172 struct tegra_clk_pll_freq_table *cfg)
1173{
1174 u32 val, base, ndiv_new_mask;
1175
1176 ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
1177 << PLLX_MISC2_NDIV_NEW_SHIFT;
1178
1179 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1180 val &= (~ndiv_new_mask);
1181 val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
1182 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1183 udelay(1);
1184
1185 val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1186 val |= PLLX_MISC2_EN_DYNRAMP;
1187 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1188 udelay(1);
1189
1190 tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
1191 PLLX_MISC2_DYNRAMP_DONE);
1192
1193 base = readl_relaxed(clk_base + pllx->params->base_reg) &
1194 (~divn_mask_shifted(pllx));
1195 base |= cfg->n << pllx->params->div_nmp->divn_shift;
1196 writel_relaxed(base, clk_base + pllx->params->base_reg);
1197 udelay(1);
1198
1199 val &= ~PLLX_MISC2_EN_DYNRAMP;
1200 writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1201 udelay(1);
1202
1203 pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
1204 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
1205 cfg->input_rate / cfg->m * cfg->n /
1206 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
1207
1208 return 0;
1209}
1210
1211/*
1212 * Common configuration for PLLs with fixed input divider policy:
1213 * - always set fixed M-value based on the reference rate
1214 * - always set P-value value 1:1 for output rates above VCO minimum, and
1215 * choose minimum necessary P-value for output rates below VCO maximum
1216 * - calculate N-value based on selected M and P
1217 * - calculate SDM_DIN fractional part
1218 */
1219static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
1220 struct tegra_clk_pll_freq_table *cfg,
1221 unsigned long rate, unsigned long input_rate)
1222{
1223 struct tegra_clk_pll *pll = to_clk_pll(hw);
1224 struct tegra_clk_pll_params *params = pll->params;
1225 int p;
1226 unsigned long cf, p_rate;
1227 u32 pdiv;
1228
1229 if (!rate)
1230 return -EINVAL;
1231
1232 if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
1233 p = DIV_ROUND_UP(params->vco_min, rate);
1234 p = params->round_p_to_pdiv(p, &pdiv);
1235 } else {
1236 p = rate >= params->vco_min ? 1 : -EINVAL;
1237 }
1238
287980e4 1239 if (p < 0)
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1240 return -EINVAL;
1241
1242 cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
1243 cfg->p = p;
1244
1245 /* Store P as HW value, as that is what is expected */
1246 cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
1247
1248 p_rate = rate * p;
1249 if (p_rate > params->vco_max)
1250 p_rate = params->vco_max;
1251 cf = input_rate / cfg->m;
1252 cfg->n = p_rate / cf;
1253
1254 cfg->sdm_data = 0;
ef6ed2b9 1255 cfg->output_rate = input_rate;
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1256 if (params->sdm_ctrl_reg) {
1257 unsigned long rem = p_rate - cf * cfg->n;
1258 /* If ssc is enabled SDM enabled as well, even for integer n */
1259 if (rem || params->ssc_ctrl_reg) {
1260 u64 s = rem * PLL_SDM_COEFF;
1261
1262 do_div(s, cf);
1263 s -= PLL_SDM_COEFF / 2;
1264 cfg->sdm_data = sdin_din_to_data(s);
1265 }
ef6ed2b9
PDS
1266 cfg->output_rate *= cfg->n * PLL_SDM_COEFF + PLL_SDM_COEFF/2 +
1267 sdin_data_to_din(cfg->sdm_data);
1268 cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
1269 } else {
1270 cfg->output_rate *= cfg->n;
1271 cfg->output_rate /= p * cfg->m;
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1272 }
1273
1274 cfg->input_rate = input_rate;
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RK
1275
1276 return 0;
1277}
1278
1279/*
1280 * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
1281 *
1282 * @cfg: struct tegra_clk_pll_freq_table * cfg
1283 *
1284 * For Normal mode:
1285 * Fvco = Fref * NDIV / MDIV
1286 *
1287 * For fractional mode:
1288 * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
1289 */
1290static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
1291{
1292 cfg->n = cfg->n * PLL_SDM_COEFF + PLL_SDM_COEFF/2 +
1293 sdin_data_to_din(cfg->sdm_data);
1294 cfg->m *= PLL_SDM_COEFF;
1295}
1296
fd360e20
JH
1297static unsigned long
1298tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
1299 unsigned long parent_rate)
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1300{
1301 unsigned long vco_min = params->vco_min;
1302
1303 params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
1304 vco_min = min(vco_min, params->vco_min);
1305
1306 return vco_min;
1307}
1308
1309static struct div_nmp pllx_nmp = {
1310 .divm_shift = 0,
1311 .divm_width = 8,
1312 .divn_shift = 8,
1313 .divn_width = 8,
1314 .divp_shift = 20,
1315 .divp_width = 5,
1316};
1317/*
1318 * PLL post divider maps - two types: quasi-linear and exponential
1319 * post divider.
1320 */
1321#define PLL_QLIN_PDIV_MAX 16
1322static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
1323 { .pdiv = 1, .hw_val = 0 },
1324 { .pdiv = 2, .hw_val = 1 },
1325 { .pdiv = 3, .hw_val = 2 },
1326 { .pdiv = 4, .hw_val = 3 },
1327 { .pdiv = 5, .hw_val = 4 },
1328 { .pdiv = 6, .hw_val = 5 },
1329 { .pdiv = 8, .hw_val = 6 },
1330 { .pdiv = 9, .hw_val = 7 },
1331 { .pdiv = 10, .hw_val = 8 },
1332 { .pdiv = 12, .hw_val = 9 },
1333 { .pdiv = 15, .hw_val = 10 },
1334 { .pdiv = 16, .hw_val = 11 },
1335 { .pdiv = 18, .hw_val = 12 },
1336 { .pdiv = 20, .hw_val = 13 },
1337 { .pdiv = 24, .hw_val = 14 },
1338 { .pdiv = 30, .hw_val = 15 },
1339 { .pdiv = 32, .hw_val = 16 },
1340};
1341
1342static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
1343{
1344 int i;
1345
1346 if (p) {
1347 for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
1348 if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
1349 if (pdiv)
1350 *pdiv = i;
1351 return pll_qlin_pdiv_to_hw[i].pdiv;
1352 }
1353 }
1354 }
1355
1356 return -EINVAL;
1357}
1358
1359#define PLL_EXPO_PDIV_MAX 7
1360static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
1361 { .pdiv = 1, .hw_val = 0 },
1362 { .pdiv = 2, .hw_val = 1 },
1363 { .pdiv = 4, .hw_val = 2 },
1364 { .pdiv = 8, .hw_val = 3 },
1365 { .pdiv = 16, .hw_val = 4 },
1366 { .pdiv = 32, .hw_val = 5 },
1367 { .pdiv = 64, .hw_val = 6 },
1368 { .pdiv = 128, .hw_val = 7 },
1369};
1370
1371static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
1372{
1373 if (p) {
1374 u32 i = fls(p);
1375
1376 if (i == ffs(p))
1377 i--;
1378
1379 if (i <= PLL_EXPO_PDIV_MAX) {
1380 if (pdiv)
1381 *pdiv = i;
1382 return 1 << i;
1383 }
1384 }
1385 return -EINVAL;
1386}
1387
1388static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
1389 /* 1 GHz */
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1390 { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */
1391 { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */
1392 { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */
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1393 { 0, 0, 0, 0, 0, 0 },
1394};
1395
1396static struct tegra_clk_pll_params pll_x_params = {
1397 .input_min = 12000000,
1398 .input_max = 800000000,
1399 .cf_min = 12000000,
1400 .cf_max = 38400000,
1401 .vco_min = 1350000000,
1402 .vco_max = 3000000000UL,
1403 .base_reg = PLLX_BASE,
1404 .misc_reg = PLLX_MISC0,
1405 .lock_mask = PLL_BASE_LOCK,
1406 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
1407 .lock_delay = 300,
1408 .ext_misc_reg[0] = PLLX_MISC0,
1409 .ext_misc_reg[1] = PLLX_MISC1,
1410 .ext_misc_reg[2] = PLLX_MISC2,
1411 .ext_misc_reg[3] = PLLX_MISC3,
1412 .ext_misc_reg[4] = PLLX_MISC4,
1413 .ext_misc_reg[5] = PLLX_MISC5,
1414 .iddq_reg = PLLX_MISC3,
1415 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1416 .max_p = PLL_QLIN_PDIV_MAX,
1417 .mdiv_default = 2,
1418 .dyn_ramp_reg = PLLX_MISC2,
1419 .stepa_shift = 16,
1420 .stepb_shift = 24,
1421 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1422 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1423 .div_nmp = &pllx_nmp,
1424 .freq_table = pll_x_freq_table,
1425 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1426 .dyn_ramp = tegra210_pllx_dyn_ramp,
1427 .set_defaults = tegra210_pllx_set_defaults,
1428 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1429};
1430
1431static struct div_nmp pllc_nmp = {
1432 .divm_shift = 0,
1433 .divm_width = 8,
1434 .divn_shift = 10,
1435 .divn_width = 8,
1436 .divp_shift = 20,
1437 .divp_width = 5,
1438};
1439
1440static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
eddb65e7
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1441 { 12000000, 510000000, 85, 1, 2, 0 },
1442 { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */
1443 { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */
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1444 { 0, 0, 0, 0, 0, 0 },
1445};
1446
1447static struct tegra_clk_pll_params pll_c_params = {
1448 .input_min = 12000000,
1449 .input_max = 700000000,
1450 .cf_min = 12000000,
1451 .cf_max = 50000000,
1452 .vco_min = 600000000,
1453 .vco_max = 1200000000,
1454 .base_reg = PLLC_BASE,
1455 .misc_reg = PLLC_MISC0,
1456 .lock_mask = PLL_BASE_LOCK,
1457 .lock_delay = 300,
1458 .iddq_reg = PLLC_MISC1,
1459 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1460 .reset_reg = PLLC_MISC0,
1461 .reset_bit_idx = PLLCX_RESET_BIT,
1462 .max_p = PLL_QLIN_PDIV_MAX,
1463 .ext_misc_reg[0] = PLLC_MISC0,
1464 .ext_misc_reg[1] = PLLC_MISC1,
1465 .ext_misc_reg[2] = PLLC_MISC2,
1466 .ext_misc_reg[3] = PLLC_MISC3,
1467 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1468 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1469 .mdiv_default = 3,
1470 .div_nmp = &pllc_nmp,
1471 .freq_table = pll_cx_freq_table,
14050118 1472 .flags = TEGRA_PLL_USE_LOCK,
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1473 .set_defaults = _pllc_set_defaults,
1474 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1475};
1476
1477static struct div_nmp pllcx_nmp = {
1478 .divm_shift = 0,
1479 .divm_width = 8,
1480 .divn_shift = 10,
1481 .divn_width = 8,
1482 .divp_shift = 20,
1483 .divp_width = 5,
1484};
1485
1486static struct tegra_clk_pll_params pll_c2_params = {
1487 .input_min = 12000000,
1488 .input_max = 700000000,
1489 .cf_min = 12000000,
1490 .cf_max = 50000000,
1491 .vco_min = 600000000,
1492 .vco_max = 1200000000,
1493 .base_reg = PLLC2_BASE,
1494 .misc_reg = PLLC2_MISC0,
1495 .iddq_reg = PLLC2_MISC1,
1496 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1497 .reset_reg = PLLC2_MISC0,
1498 .reset_bit_idx = PLLCX_RESET_BIT,
1499 .lock_mask = PLLCX_BASE_LOCK,
1500 .lock_delay = 300,
1501 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1502 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1503 .mdiv_default = 3,
1504 .div_nmp = &pllcx_nmp,
1505 .max_p = PLL_QLIN_PDIV_MAX,
1506 .ext_misc_reg[0] = PLLC2_MISC0,
1507 .ext_misc_reg[1] = PLLC2_MISC1,
1508 .ext_misc_reg[2] = PLLC2_MISC2,
1509 .ext_misc_reg[3] = PLLC2_MISC3,
1510 .freq_table = pll_cx_freq_table,
14050118 1511 .flags = TEGRA_PLL_USE_LOCK,
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1512 .set_defaults = _pllc2_set_defaults,
1513 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1514};
1515
1516static struct tegra_clk_pll_params pll_c3_params = {
1517 .input_min = 12000000,
1518 .input_max = 700000000,
1519 .cf_min = 12000000,
1520 .cf_max = 50000000,
1521 .vco_min = 600000000,
1522 .vco_max = 1200000000,
1523 .base_reg = PLLC3_BASE,
1524 .misc_reg = PLLC3_MISC0,
1525 .lock_mask = PLLCX_BASE_LOCK,
1526 .lock_delay = 300,
1527 .iddq_reg = PLLC3_MISC1,
1528 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1529 .reset_reg = PLLC3_MISC0,
1530 .reset_bit_idx = PLLCX_RESET_BIT,
1531 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1532 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1533 .mdiv_default = 3,
1534 .div_nmp = &pllcx_nmp,
1535 .max_p = PLL_QLIN_PDIV_MAX,
1536 .ext_misc_reg[0] = PLLC3_MISC0,
1537 .ext_misc_reg[1] = PLLC3_MISC1,
1538 .ext_misc_reg[2] = PLLC3_MISC2,
1539 .ext_misc_reg[3] = PLLC3_MISC3,
1540 .freq_table = pll_cx_freq_table,
14050118 1541 .flags = TEGRA_PLL_USE_LOCK,
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1542 .set_defaults = _pllc3_set_defaults,
1543 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1544};
1545
1546static struct div_nmp pllss_nmp = {
1547 .divm_shift = 0,
1548 .divm_width = 8,
1549 .divn_shift = 8,
1550 .divn_width = 8,
1551 .divp_shift = 19,
1552 .divp_width = 5,
1553};
1554
1555static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
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TR
1556 { 12000000, 600000000, 50, 1, 1, 0 },
1557 { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */
1558 { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */
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1559 { 0, 0, 0, 0, 0, 0 },
1560};
1561
1562static const struct clk_div_table pll_vco_post_div_table[] = {
1563 { .val = 0, .div = 1 },
1564 { .val = 1, .div = 2 },
1565 { .val = 2, .div = 3 },
1566 { .val = 3, .div = 4 },
1567 { .val = 4, .div = 5 },
1568 { .val = 5, .div = 6 },
1569 { .val = 6, .div = 8 },
1570 { .val = 7, .div = 10 },
1571 { .val = 8, .div = 12 },
1572 { .val = 9, .div = 16 },
1573 { .val = 10, .div = 12 },
1574 { .val = 11, .div = 16 },
1575 { .val = 12, .div = 20 },
1576 { .val = 13, .div = 24 },
1577 { .val = 14, .div = 32 },
1578 { .val = 0, .div = 0 },
1579};
1580
1581static struct tegra_clk_pll_params pll_c4_vco_params = {
1582 .input_min = 9600000,
1583 .input_max = 800000000,
1584 .cf_min = 9600000,
1585 .cf_max = 19200000,
1586 .vco_min = 500000000,
1587 .vco_max = 1080000000,
1588 .base_reg = PLLC4_BASE,
1589 .misc_reg = PLLC4_MISC0,
1590 .lock_mask = PLL_BASE_LOCK,
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1591 .lock_delay = 300,
1592 .max_p = PLL_QLIN_PDIV_MAX,
1593 .ext_misc_reg[0] = PLLC4_MISC0,
1594 .iddq_reg = PLLC4_BASE,
1595 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1596 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1597 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1598 .mdiv_default = 3,
1599 .div_nmp = &pllss_nmp,
1600 .freq_table = pll_c4_vco_freq_table,
1601 .set_defaults = tegra210_pllc4_set_defaults,
14050118 1602 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
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1603 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1604};
1605
1606static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
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1607 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */
1608 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */
1609 { 38400000, 297600000, 93, 4, 3, 0 },
1610 { 38400000, 400000000, 125, 4, 3, 0 },
1611 { 38400000, 532800000, 111, 4, 2, 0 },
1612 { 38400000, 665600000, 104, 3, 2, 0 },
1613 { 38400000, 800000000, 125, 3, 2, 0 },
1614 { 38400000, 931200000, 97, 4, 1, 0 },
1615 { 38400000, 1065600000, 111, 4, 1, 0 },
1616 { 38400000, 1200000000, 125, 4, 1, 0 },
1617 { 38400000, 1331200000, 104, 3, 1, 0 },
1618 { 38400000, 1459200000, 76, 2, 1, 0 },
1619 { 38400000, 1600000000, 125, 3, 1, 0 },
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1620 { 0, 0, 0, 0, 0, 0 },
1621};
1622
1623static struct div_nmp pllm_nmp = {
1624 .divm_shift = 0,
1625 .divm_width = 8,
1626 .override_divm_shift = 0,
1627 .divn_shift = 8,
1628 .divn_width = 8,
1629 .override_divn_shift = 8,
1630 .divp_shift = 20,
1631 .divp_width = 5,
1632 .override_divp_shift = 27,
1633};
1634
1635static struct tegra_clk_pll_params pll_m_params = {
1636 .input_min = 9600000,
1637 .input_max = 500000000,
1638 .cf_min = 9600000,
1639 .cf_max = 19200000,
1640 .vco_min = 800000000,
1641 .vco_max = 1866000000,
1642 .base_reg = PLLM_BASE,
474f2ba2 1643 .misc_reg = PLLM_MISC2,
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1644 .lock_mask = PLL_BASE_LOCK,
1645 .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
1646 .lock_delay = 300,
474f2ba2 1647 .iddq_reg = PLLM_MISC2,
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1648 .iddq_bit_idx = PLLM_IDDQ_BIT,
1649 .max_p = PLL_QLIN_PDIV_MAX,
474f2ba2 1650 .ext_misc_reg[0] = PLLM_MISC2,
d9e65791 1651 .ext_misc_reg[1] = PLLM_MISC1,
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1652 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1653 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1654 .div_nmp = &pllm_nmp,
1655 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
1656 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
1657 .freq_table = pll_m_freq_table,
1658 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1659 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1660};
1661
1662static struct tegra_clk_pll_params pll_mb_params = {
1663 .input_min = 9600000,
1664 .input_max = 500000000,
1665 .cf_min = 9600000,
1666 .cf_max = 19200000,
1667 .vco_min = 800000000,
1668 .vco_max = 1866000000,
1669 .base_reg = PLLMB_BASE,
474f2ba2 1670 .misc_reg = PLLMB_MISC1,
6b301a05 1671 .lock_mask = PLL_BASE_LOCK,
6b301a05 1672 .lock_delay = 300,
474f2ba2 1673 .iddq_reg = PLLMB_MISC1,
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1674 .iddq_bit_idx = PLLMB_IDDQ_BIT,
1675 .max_p = PLL_QLIN_PDIV_MAX,
474f2ba2 1676 .ext_misc_reg[0] = PLLMB_MISC1,
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1677 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1678 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1679 .div_nmp = &pllm_nmp,
1680 .freq_table = pll_m_freq_table,
14050118 1681 .flags = TEGRA_PLL_USE_LOCK,
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1682 .set_defaults = tegra210_pllmb_set_defaults,
1683 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1684};
1685
1686
1687static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
1688 /* PLLE special case: use cpcon field to store cml divider value */
1689 { 672000000, 100000000, 125, 42, 0, 13 },
1690 { 624000000, 100000000, 125, 39, 0, 13 },
1691 { 336000000, 100000000, 125, 21, 0, 13 },
1692 { 312000000, 100000000, 200, 26, 0, 14 },
1693 { 38400000, 100000000, 125, 2, 0, 14 },
1694 { 12000000, 100000000, 200, 1, 0, 14 },
1695 { 0, 0, 0, 0, 0, 0 },
1696};
1697
1698static struct div_nmp plle_nmp = {
1699 .divm_shift = 0,
1700 .divm_width = 8,
1701 .divn_shift = 8,
1702 .divn_width = 8,
1703 .divp_shift = 24,
1704 .divp_width = 5,
1705};
1706
1707static struct tegra_clk_pll_params pll_e_params = {
1708 .input_min = 12000000,
1709 .input_max = 800000000,
1710 .cf_min = 12000000,
1711 .cf_max = 38400000,
1712 .vco_min = 1600000000,
1713 .vco_max = 2500000000U,
1714 .base_reg = PLLE_BASE,
1715 .misc_reg = PLLE_MISC0,
1716 .aux_reg = PLLE_AUX,
1717 .lock_mask = PLLE_MISC_LOCK,
1718 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
1719 .lock_delay = 300,
1720 .div_nmp = &plle_nmp,
1721 .freq_table = pll_e_freq_table,
1722 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
1723 TEGRA_PLL_HAS_LOCK_ENABLE,
1724 .fixed_rate = 100000000,
1725 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1726};
1727
1728static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
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1729 { 12000000, 672000000, 56, 1, 1, 0 },
1730 { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */
1731 { 38400000, 672000000, 70, 4, 1, 0 },
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1732 { 0, 0, 0, 0, 0, 0 },
1733};
1734
1735static struct div_nmp pllre_nmp = {
1736 .divm_shift = 0,
1737 .divm_width = 8,
1738 .divn_shift = 8,
1739 .divn_width = 8,
1740 .divp_shift = 16,
1741 .divp_width = 5,
1742};
1743
1744static struct tegra_clk_pll_params pll_re_vco_params = {
1745 .input_min = 9600000,
1746 .input_max = 800000000,
1747 .cf_min = 9600000,
1748 .cf_max = 19200000,
1749 .vco_min = 350000000,
1750 .vco_max = 700000000,
1751 .base_reg = PLLRE_BASE,
1752 .misc_reg = PLLRE_MISC0,
1753 .lock_mask = PLLRE_MISC_LOCK,
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1754 .lock_delay = 300,
1755 .max_p = PLL_QLIN_PDIV_MAX,
1756 .ext_misc_reg[0] = PLLRE_MISC0,
1757 .iddq_reg = PLLRE_MISC0,
1758 .iddq_bit_idx = PLLRE_IDDQ_BIT,
1759 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1760 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1761 .div_nmp = &pllre_nmp,
1762 .freq_table = pll_re_vco_freq_table,
14050118 1763 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
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1764 .set_defaults = tegra210_pllre_set_defaults,
1765 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1766};
1767
1768static struct div_nmp pllp_nmp = {
1769 .divm_shift = 0,
1770 .divm_width = 8,
1771 .divn_shift = 10,
1772 .divn_width = 8,
1773 .divp_shift = 20,
1774 .divp_width = 5,
1775};
1776
1777static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
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1778 { 12000000, 408000000, 34, 1, 1, 0 },
1779 { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */
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1780 { 0, 0, 0, 0, 0, 0 },
1781};
1782
1783static struct tegra_clk_pll_params pll_p_params = {
1784 .input_min = 9600000,
1785 .input_max = 800000000,
1786 .cf_min = 9600000,
1787 .cf_max = 19200000,
1788 .vco_min = 350000000,
1789 .vco_max = 700000000,
1790 .base_reg = PLLP_BASE,
1791 .misc_reg = PLLP_MISC0,
1792 .lock_mask = PLL_BASE_LOCK,
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1793 .lock_delay = 300,
1794 .iddq_reg = PLLP_MISC0,
1795 .iddq_bit_idx = PLLXP_IDDQ_BIT,
1796 .ext_misc_reg[0] = PLLP_MISC0,
1797 .ext_misc_reg[1] = PLLP_MISC1,
1798 .div_nmp = &pllp_nmp,
1799 .freq_table = pll_p_freq_table,
1800 .fixed_rate = 408000000,
14050118 1801 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
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1802 .set_defaults = tegra210_pllp_set_defaults,
1803 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1804};
1805
1806static struct tegra_clk_pll_params pll_a1_params = {
1807 .input_min = 12000000,
1808 .input_max = 700000000,
1809 .cf_min = 12000000,
1810 .cf_max = 50000000,
1811 .vco_min = 600000000,
1812 .vco_max = 1200000000,
1813 .base_reg = PLLA1_BASE,
1814 .misc_reg = PLLA1_MISC0,
1815 .lock_mask = PLLCX_BASE_LOCK,
1816 .lock_delay = 300,
9326947f 1817 .iddq_reg = PLLA1_MISC1,
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1818 .iddq_bit_idx = PLLCX_IDDQ_BIT,
1819 .reset_reg = PLLA1_MISC0,
1820 .reset_bit_idx = PLLCX_RESET_BIT,
1821 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1822 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1823 .div_nmp = &pllc_nmp,
1824 .ext_misc_reg[0] = PLLA1_MISC0,
1825 .ext_misc_reg[1] = PLLA1_MISC1,
1826 .ext_misc_reg[2] = PLLA1_MISC2,
1827 .ext_misc_reg[3] = PLLA1_MISC3,
1828 .freq_table = pll_cx_freq_table,
14050118 1829 .flags = TEGRA_PLL_USE_LOCK,
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1830 .set_defaults = _plla1_set_defaults,
1831 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1832};
1833
1834static struct div_nmp plla_nmp = {
1835 .divm_shift = 0,
1836 .divm_width = 8,
1837 .divn_shift = 8,
1838 .divn_width = 8,
1839 .divp_shift = 20,
1840 .divp_width = 5,
1841};
1842
1843static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
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1844 { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */
1845 { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */
1846 { 12000000, 240000000, 60, 1, 3, 1, 0 },
1847 { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */
1848 { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */
1849 { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */
1850 { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */
1851 { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */
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1852 { 38400000, 240000000, 75, 3, 3, 1, 0 },
1853 { 0, 0, 0, 0, 0, 0, 0 },
1854};
1855
1856static struct tegra_clk_pll_params pll_a_params = {
1857 .input_min = 12000000,
1858 .input_max = 800000000,
1859 .cf_min = 12000000,
1860 .cf_max = 19200000,
1861 .vco_min = 500000000,
1862 .vco_max = 1000000000,
1863 .base_reg = PLLA_BASE,
1864 .misc_reg = PLLA_MISC0,
1865 .lock_mask = PLL_BASE_LOCK,
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1866 .lock_delay = 300,
1867 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1868 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1869 .iddq_reg = PLLA_BASE,
1870 .iddq_bit_idx = PLLA_IDDQ_BIT,
1871 .div_nmp = &plla_nmp,
1872 .sdm_din_reg = PLLA_MISC1,
1873 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1874 .sdm_ctrl_reg = PLLA_MISC2,
1875 .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
1876 .ext_misc_reg[0] = PLLA_MISC0,
1877 .ext_misc_reg[1] = PLLA_MISC1,
1878 .ext_misc_reg[2] = PLLA_MISC2,
1879 .freq_table = pll_a_freq_table,
14050118 1880 .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
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1881 .set_defaults = tegra210_plla_set_defaults,
1882 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1883 .set_gain = tegra210_clk_pll_set_gain,
1884 .adjust_vco = tegra210_clk_adjust_vco_min,
1885};
1886
1887static struct div_nmp plld_nmp = {
1888 .divm_shift = 0,
1889 .divm_width = 8,
1890 .divn_shift = 11,
1891 .divn_width = 8,
1892 .divp_shift = 20,
1893 .divp_width = 3,
1894};
1895
1896static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
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1897 { 12000000, 594000000, 99, 1, 2, 0, 0 },
1898 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
1899 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
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1900 { 0, 0, 0, 0, 0, 0, 0 },
1901};
1902
1903static struct tegra_clk_pll_params pll_d_params = {
1904 .input_min = 12000000,
1905 .input_max = 800000000,
1906 .cf_min = 12000000,
1907 .cf_max = 38400000,
1908 .vco_min = 750000000,
1909 .vco_max = 1500000000,
1910 .base_reg = PLLD_BASE,
1911 .misc_reg = PLLD_MISC0,
1912 .lock_mask = PLL_BASE_LOCK,
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1913 .lock_delay = 1000,
1914 .iddq_reg = PLLD_MISC0,
1915 .iddq_bit_idx = PLLD_IDDQ_BIT,
1916 .round_p_to_pdiv = pll_expo_p_to_pdiv,
1917 .pdiv_tohw = pll_expo_pdiv_to_hw,
1918 .div_nmp = &plld_nmp,
1919 .sdm_din_reg = PLLD_MISC0,
1920 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1921 .sdm_ctrl_reg = PLLD_MISC0,
1922 .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
1923 .ext_misc_reg[0] = PLLD_MISC0,
1924 .ext_misc_reg[1] = PLLD_MISC1,
1925 .freq_table = pll_d_freq_table,
14050118 1926 .flags = TEGRA_PLL_USE_LOCK,
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1927 .mdiv_default = 1,
1928 .set_defaults = tegra210_plld_set_defaults,
1929 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1930 .set_gain = tegra210_clk_pll_set_gain,
1931 .adjust_vco = tegra210_clk_adjust_vco_min,
1932};
1933
1934static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
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1935 { 12000000, 594000000, 99, 1, 2, 0, 0xf000 },
1936 { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
1937 { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
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1938 { 0, 0, 0, 0, 0, 0, 0 },
1939};
1940
1941/* s/w policy, always tegra_pll_ref */
1942static struct tegra_clk_pll_params pll_d2_params = {
1943 .input_min = 12000000,
1944 .input_max = 800000000,
1945 .cf_min = 12000000,
1946 .cf_max = 38400000,
1947 .vco_min = 750000000,
1948 .vco_max = 1500000000,
1949 .base_reg = PLLD2_BASE,
1950 .misc_reg = PLLD2_MISC0,
1951 .lock_mask = PLL_BASE_LOCK,
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1952 .lock_delay = 300,
1953 .iddq_reg = PLLD2_BASE,
1954 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1955 .sdm_din_reg = PLLD2_MISC3,
1956 .sdm_din_mask = PLLA_SDM_DIN_MASK,
1957 .sdm_ctrl_reg = PLLD2_MISC1,
1958 .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
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TR
1959 /* disable spread-spectrum for pll_d2 */
1960 .ssc_ctrl_reg = 0,
1961 .ssc_ctrl_en_mask = 0,
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1962 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
1963 .pdiv_tohw = pll_qlin_pdiv_to_hw,
1964 .div_nmp = &pllss_nmp,
1965 .ext_misc_reg[0] = PLLD2_MISC0,
1966 .ext_misc_reg[1] = PLLD2_MISC1,
1967 .ext_misc_reg[2] = PLLD2_MISC2,
1968 .ext_misc_reg[3] = PLLD2_MISC3,
1969 .max_p = PLL_QLIN_PDIV_MAX,
1970 .mdiv_default = 1,
1971 .freq_table = tegra210_pll_d2_freq_table,
1972 .set_defaults = tegra210_plld2_set_defaults,
14050118 1973 .flags = TEGRA_PLL_USE_LOCK,
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1974 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
1975 .set_gain = tegra210_clk_pll_set_gain,
1976 .adjust_vco = tegra210_clk_adjust_vco_min,
1977};
1978
1979static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
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1980 { 12000000, 270000000, 90, 1, 4, 0, 0xf000 },
1981 { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */
1982 { 38400000, 270000000, 28, 1, 4, 0, 0xf400 },
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1983 { 0, 0, 0, 0, 0, 0, 0 },
1984};
1985
1986static struct tegra_clk_pll_params pll_dp_params = {
1987 .input_min = 12000000,
1988 .input_max = 800000000,
1989 .cf_min = 12000000,
1990 .cf_max = 38400000,
1991 .vco_min = 750000000,
1992 .vco_max = 1500000000,
1993 .base_reg = PLLDP_BASE,
1994 .misc_reg = PLLDP_MISC,
1995 .lock_mask = PLL_BASE_LOCK,
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1996 .lock_delay = 300,
1997 .iddq_reg = PLLDP_BASE,
1998 .iddq_bit_idx = PLLSS_IDDQ_BIT,
1999 .sdm_din_reg = PLLDP_SS_CTRL2,
2000 .sdm_din_mask = PLLA_SDM_DIN_MASK,
2001 .sdm_ctrl_reg = PLLDP_SS_CFG,
2002 .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
2003 .ssc_ctrl_reg = PLLDP_SS_CFG,
2004 .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
2005 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2006 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2007 .div_nmp = &pllss_nmp,
2008 .ext_misc_reg[0] = PLLDP_MISC,
2009 .ext_misc_reg[1] = PLLDP_SS_CFG,
2010 .ext_misc_reg[2] = PLLDP_SS_CTRL1,
2011 .ext_misc_reg[3] = PLLDP_SS_CTRL2,
2012 .max_p = PLL_QLIN_PDIV_MAX,
2013 .mdiv_default = 1,
2014 .freq_table = pll_dp_freq_table,
2015 .set_defaults = tegra210_plldp_set_defaults,
14050118 2016 .flags = TEGRA_PLL_USE_LOCK,
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2017 .calc_rate = tegra210_pll_fixed_mdiv_cfg,
2018 .set_gain = tegra210_clk_pll_set_gain,
2019 .adjust_vco = tegra210_clk_adjust_vco_min,
2020};
2021
2022static struct div_nmp pllu_nmp = {
2023 .divm_shift = 0,
2024 .divm_width = 8,
2025 .divn_shift = 8,
2026 .divn_width = 8,
2027 .divp_shift = 16,
2028 .divp_width = 5,
2029};
2030
2031static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
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2032 { 12000000, 480000000, 40, 1, 0, 0 },
2033 { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */
2034 { 38400000, 480000000, 25, 2, 0, 0 },
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2035 { 0, 0, 0, 0, 0, 0 },
2036};
2037
2038static struct tegra_clk_pll_params pll_u_vco_params = {
2039 .input_min = 9600000,
2040 .input_max = 800000000,
2041 .cf_min = 9600000,
2042 .cf_max = 19200000,
2043 .vco_min = 350000000,
2044 .vco_max = 700000000,
2045 .base_reg = PLLU_BASE,
2046 .misc_reg = PLLU_MISC0,
2047 .lock_mask = PLL_BASE_LOCK,
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2048 .lock_delay = 1000,
2049 .iddq_reg = PLLU_MISC0,
2050 .iddq_bit_idx = PLLU_IDDQ_BIT,
2051 .ext_misc_reg[0] = PLLU_MISC0,
2052 .ext_misc_reg[1] = PLLU_MISC1,
2053 .round_p_to_pdiv = pll_qlin_p_to_pdiv,
2054 .pdiv_tohw = pll_qlin_pdiv_to_hw,
2055 .div_nmp = &pllu_nmp,
2056 .freq_table = pll_u_freq_table,
14050118 2057 .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
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2058};
2059
2060struct utmi_clk_param {
2061 /* Oscillator Frequency in KHz */
2062 u32 osc_frequency;
2063 /* UTMIP PLL Enable Delay Count */
2064 u8 enable_delay_count;
2065 /* UTMIP PLL Stable count */
2066 u16 stable_count;
2067 /* UTMIP PLL Active delay count */
2068 u8 active_delay_count;
2069 /* UTMIP PLL Xtal frequency count */
2070 u16 xtal_freq_count;
2071};
2072
2073static const struct utmi_clk_param utmi_parameters[] = {
2074 {
2075 .osc_frequency = 38400000, .enable_delay_count = 0x0,
2076 .stable_count = 0x0, .active_delay_count = 0x6,
2077 .xtal_freq_count = 0x80
2078 }, {
2079 .osc_frequency = 13000000, .enable_delay_count = 0x02,
2080 .stable_count = 0x33, .active_delay_count = 0x05,
2081 .xtal_freq_count = 0x7f
2082 }, {
2083 .osc_frequency = 19200000, .enable_delay_count = 0x03,
2084 .stable_count = 0x4b, .active_delay_count = 0x06,
2085 .xtal_freq_count = 0xbb
2086 }, {
2087 .osc_frequency = 12000000, .enable_delay_count = 0x02,
2088 .stable_count = 0x2f, .active_delay_count = 0x08,
2089 .xtal_freq_count = 0x76
2090 }, {
2091 .osc_frequency = 26000000, .enable_delay_count = 0x04,
2092 .stable_count = 0x66, .active_delay_count = 0x09,
2093 .xtal_freq_count = 0xfe
2094 }, {
2095 .osc_frequency = 16800000, .enable_delay_count = 0x03,
2096 .stable_count = 0x41, .active_delay_count = 0x0a,
2097 .xtal_freq_count = 0xa4
2098 },
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2099};
2100
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2101static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2102 [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
2103 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2104 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2105 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2106 [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true },
2107 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2108 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2109 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2110 [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true },
2111 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2112 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2113 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
2114 [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
2115 [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
2116 [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
2117 [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
2118 [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
2119 [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
2120 [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
2121 [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
2122 [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
2123 [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
2124 [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
2125 [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
2126 [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
2127 [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
2128 [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
2129 [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true },
2130 [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
2131 [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
2132 [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
2133 [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
2134 [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
2135 [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
2136 [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
2137 [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
2138 [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
2139 [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
2140 [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
2141 [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
2142 [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
2143 [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
2144 [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
2145 [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
2146 [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
2147 [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
2148 [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
2149 [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
2150 [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
2151 [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
2152 [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
2153 [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
2154 [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
2155 [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
2156 [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
2157 [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
2158 [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
2159 [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
2160 [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
2161 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
2162 [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
2163 [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
2164 [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
2165 [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
2166 [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
2167 [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
2168 [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
2169 [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
2170 [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
2171 [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
2172 [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
2173 [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
98c4b366 2174 [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true },
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RK
2175 [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
2176 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true },
e452b818
TR
2177 [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true },
2178 [tegra_clk_sor1_src] = { .dt_id = TEGRA210_CLK_SOR1_SRC, .present = true },
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RK
2179 [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
2180 [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
2181 [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
2182 [tegra_clk_vfir] = { .dt_id = TEGRA210_CLK_VFIR, .present = true },
2183 [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
2184 [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
2185 [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
2186 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
2187 [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
2188 [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
2189 [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
2190 [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
2191 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true },
2192 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true },
2193 [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
2194 [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
2195 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
2196 [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
2197 [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
2198 [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
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2199 [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
2200 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
2201 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
2202 [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
2203 [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
2204 [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
2205 [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
2206 [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
2207 [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
2208 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
2209 [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
2210 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
2211 [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
2212 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
2213 [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
2214 [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
2215 [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
2216 [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
2217 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
2218 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
2219 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
2220 [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
2221 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
2222 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
2223 [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
2224 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
2225 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
2226 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
2227 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
2228 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
2229 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
2230 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
2231 [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
2232 [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
2233 [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
2234 [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
2235 [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
2236 [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
2237 [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true },
2238 [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true },
2239 [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true },
2240 [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true },
2241 [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
2242 [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
2243 [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
2244 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
2245 [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
2246 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
2247 [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
2248 [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
2249 [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
2250 [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
2251 [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
2252 [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
2253 [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
2254 [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
2255 [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
2256 [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
2257 [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
2258 [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
2259 [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
2260 [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
2261 [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
2262 [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
2263 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
2264 [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
2265 [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
2266 [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
2267 [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
2268 [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
2269 [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
2270 [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
2271 [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
2272 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true },
2273 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true },
2274 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true },
2275 [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
2276 [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
2277 [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
2278 [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
2279 [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
2280 [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
2281 [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
2282 [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
2283 [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
2284 [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
2285 [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
2286 [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
2287 [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
2288 [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
2289 [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
2290 [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
29569941 2291 [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
9326947f 2292 [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
34ac2c27 2293 [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
bfa34832 2294 [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
6cfc8bc9
PDS
2295 [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
2296 [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
2297 [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
319af797
PDS
2298 [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
2299 [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
2300 [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },
2301 [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true },
2302 [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true },
2303 [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true },
6b301a05
RK
2304};
2305
2306static struct tegra_devclk devclks[] __initdata = {
2307 { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
2308 { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
2309 { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
2310 { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 },
2311 { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 },
2312 { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
2313 { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
2314 { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
2315 { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
2316 { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
2317 { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
2318 { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
2319 { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
2320 { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
2321 { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
6b301a05
RK
2322 { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
2323 { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
2324 { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
2325 { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
2326 { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
2327 { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
2328 { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
2329 { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
2330 { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
2331 { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
2332 { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
2333 { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
2334 { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
2335 { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
2336 { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
2337 { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
2338 { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
2339 { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
2340 { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
2341 { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
2342 { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
2343 { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
2344 { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
2345 { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
2346 { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
2347 { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
2348 { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
2349 { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
2350 { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
2351 { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
2352 { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
2353 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 },
2354 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 },
2355 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 },
2356 { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK },
2357 { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
2358 { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
2359 { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
2360 { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
2361 { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
2362 { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
2363 { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
2364 { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
2365 { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
2366 { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
2367 { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
2368 { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
2369 { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
2370 { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 },
2371};
2372
2373static struct tegra_audio_clk_info tegra210_audio_plls[] = {
2374 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
2375 { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
2376};
2377
2378static struct clk **clks;
2379
24c3ebef
PDS
2380static const char * const aclk_parents[] = {
2381 "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3",
2382 "clk_m"
2383};
2384
3843832f
PDS
2385void tegra210_put_utmipll_in_iddq(void)
2386{
2387 u32 reg;
2388
2389 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2390
2391 if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) {
2392 pr_err("trying to assert IDDQ while UTMIPLL is locked\n");
2393 return;
2394 }
2395
2396 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2397 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2398}
2399EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq);
2400
2401void tegra210_put_utmipll_out_iddq(void)
2402{
2403 u32 reg;
2404
2405 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2406 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2407 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2408}
2409EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq);
2410
e745f992
PDS
2411static void tegra210_utmi_param_configure(void)
2412{
2413 u32 reg;
2414 int i;
2415
2416 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
2417 if (osc_freq == utmi_parameters[i].osc_frequency)
2418 break;
2419 }
2420
2421 if (i >= ARRAY_SIZE(utmi_parameters)) {
2422 pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
2423 osc_freq);
2424 return;
2425 }
2426
2427 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2428 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2429 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2430
2431 udelay(10);
2432
2433 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2434
2435 /* Program UTMIP PLL stable and active counts */
2436 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
2437 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
2438 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
2439
2440 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
2441
2442 reg |=
2443 UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
2444 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2445
2446 /* Program UTMIP PLL delay and oscillator frequency counts */
2447 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2448 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
2449
2450 reg |=
2451 UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
2452
2453 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
2454 reg |=
2455 UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count);
2456
2457 reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
2458 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2459
2460 /* Remove power downs from UTMIP PLL control bits */
2461 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2462 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2463 reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2464 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2465 udelay(1);
2466
2467 /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
2468 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2469 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
2470 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
2471 reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
2472 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
2473 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
2474 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
2475 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2476
2477 /* Setup HW control of UTMIPLL */
2478 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2479 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2480 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2481 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2482
2483 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2484 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
2485 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
2486 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2487
2488 udelay(1);
2489
2490 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2491 reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
2492 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2493
2494 udelay(1);
2495
2496 /* Enable HW control UTMIPLL */
2497 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2498 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
2499 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2500}
2501
2502static int tegra210_enable_pllu(void)
2503{
2504 struct tegra_clk_pll_freq_table *fentry;
2505 struct tegra_clk_pll pllu;
2506 u32 reg;
2507
2508 for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) {
2509 if (fentry->input_rate == pll_ref_freq)
2510 break;
2511 }
2512
2513 if (!fentry->input_rate) {
2514 pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq);
2515 return -EINVAL;
2516 }
2517
2518 /* clear IDDQ bit */
2519 pllu.params = &pll_u_vco_params;
2520 reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
2521 reg &= ~BIT(pllu.params->iddq_bit_idx);
2522 writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
2523
2524 reg = readl_relaxed(clk_base + PLLU_BASE);
2525 reg &= ~GENMASK(20, 0);
2526 reg |= fentry->m;
2527 reg |= fentry->n << 8;
2528 reg |= fentry->p << 16;
2529 writel(reg, clk_base + PLLU_BASE);
2530 reg |= PLL_ENABLE;
2531 writel(reg, clk_base + PLLU_BASE);
2532
2533 readl_relaxed_poll_timeout(clk_base + PLLU_BASE, reg,
2534 reg & PLL_BASE_LOCK, 2, 1000);
2535 if (!(reg & PLL_BASE_LOCK)) {
2536 pr_err("Timed out waiting for PLL_U to lock\n");
2537 return -ETIMEDOUT;
2538 }
2539
2540 return 0;
2541}
2542
2543static int tegra210_init_pllu(void)
2544{
2545 u32 reg;
2546 int err;
2547
2548 tegra210_pllu_set_defaults(&pll_u_vco_params);
2549 /* skip initialization when pllu is in hw controlled mode */
2550 reg = readl_relaxed(clk_base + PLLU_BASE);
2551 if (reg & PLLU_BASE_OVERRIDE) {
2552 if (!(reg & PLL_ENABLE)) {
2553 err = tegra210_enable_pllu();
2554 if (err < 0) {
2555 WARN_ON(1);
2556 return err;
2557 }
2558 }
2559 /* enable hw controlled mode */
2560 reg = readl_relaxed(clk_base + PLLU_BASE);
2561 reg &= ~PLLU_BASE_OVERRIDE;
2562 writel(reg, clk_base + PLLU_BASE);
2563
2564 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2565 reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
2566 PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
2567 PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
2568 reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
2569 PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
2570 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2571
2572 reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2573 reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK;
2574 writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2575 udelay(1);
2576
2577 reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2578 reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
2579 writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2580 udelay(1);
2581
2582 reg = readl_relaxed(clk_base + PLLU_BASE);
2583 reg &= ~PLLU_BASE_CLKENABLE_USB;
2584 writel_relaxed(reg, clk_base + PLLU_BASE);
2585 }
2586
2587 /* enable UTMIPLL hw control if not yet done by the bootloader */
2588 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2589 if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE))
2590 tegra210_utmi_param_configure();
2591
2592 return 0;
2593}
2594
6b301a05
RK
2595static __init void tegra210_periph_clk_init(void __iomem *clk_base,
2596 void __iomem *pmc_base)
2597{
2598 struct clk *clk;
2599
2600 /* xusb_ss_div2 */
2601 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
2602 1, 2);
2603 clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
2604
74d3ba0b
TR
2605 clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base,
2606 1, 17, 222);
2607 clks[TEGRA210_CLK_SOR_SAFE] = clk;
2608
2e34c2ac 2609 clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base,
eede7113
TR
2610 1, 17, 181);
2611 clks[TEGRA210_CLK_DPAUX] = clk;
2612
2e34c2ac 2613 clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base,
eede7113
TR
2614 1, 17, 207);
2615 clks[TEGRA210_CLK_DPAUX1] = clk;
2616
6b301a05
RK
2617 /* pll_d_dsi_out */
2618 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
2619 clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
2620 clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
2621
2622 /* dsia */
2623 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
2624 clk_base, 0, 48,
2625 periph_clk_enb_refcnt);
2626 clks[TEGRA210_CLK_DSIA] = clk;
2627
2628 /* dsib */
2629 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
2630 clk_base, 0, 82,
2631 periph_clk_enb_refcnt);
2632 clks[TEGRA210_CLK_DSIB] = clk;
2633
2634 /* emc mux */
2635 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
2636 ARRAY_SIZE(mux_pllmcp_clkm), 0,
2637 clk_base + CLK_SOURCE_EMC,
2638 29, 3, 0, &emc_lock);
2639
2640 clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
2641 &emc_lock);
2642 clks[TEGRA210_CLK_MC] = clk;
2643
2644 /* cml0 */
2645 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
2646 0, 0, &pll_e_lock);
2647 clk_register_clkdev(clk, "cml0", NULL);
2648 clks[TEGRA210_CLK_CML0] = clk;
2649
2650 /* cml1 */
2651 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
2652 1, 0, &pll_e_lock);
2653 clk_register_clkdev(clk, "cml1", NULL);
2654 clks[TEGRA210_CLK_CML1] = clk;
2655
24c3ebef
PDS
2656 clk = tegra_clk_register_super_clk("aclk", aclk_parents,
2657 ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0,
2658 0, NULL);
2659 clks[TEGRA210_CLK_ACLK] = clk;
2660
6b301a05
RK
2661 tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
2662}
2663
2664static void __init tegra210_pll_init(void __iomem *clk_base,
2665 void __iomem *pmc)
2666{
6b301a05
RK
2667 struct clk *clk;
2668
2669 /* PLLC */
2670 clk = tegra_clk_register_pllxc_tegra210("pll_c", "pll_ref", clk_base,
2671 pmc, 0, &pll_c_params, NULL);
2672 if (!WARN_ON(IS_ERR(clk)))
2673 clk_register_clkdev(clk, "pll_c", NULL);
2674 clks[TEGRA210_CLK_PLL_C] = clk;
2675
2676 /* PLLC_OUT1 */
2677 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
2678 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
2679 8, 8, 1, NULL);
2680 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
2681 clk_base + PLLC_OUT, 1, 0,
2682 CLK_SET_RATE_PARENT, 0, NULL);
2683 clk_register_clkdev(clk, "pll_c_out1", NULL);
2684 clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
2685
2686 /* PLLC_UD */
2687 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
2688 CLK_SET_RATE_PARENT, 1, 1);
2689 clk_register_clkdev(clk, "pll_c_ud", NULL);
2690 clks[TEGRA210_CLK_PLL_C_UD] = clk;
2691
2692 /* PLLC2 */
2693 clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
2694 pmc, 0, &pll_c2_params, NULL);
2695 clk_register_clkdev(clk, "pll_c2", NULL);
2696 clks[TEGRA210_CLK_PLL_C2] = clk;
2697
2698 /* PLLC3 */
2699 clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
2700 pmc, 0, &pll_c3_params, NULL);
2701 clk_register_clkdev(clk, "pll_c3", NULL);
2702 clks[TEGRA210_CLK_PLL_C3] = clk;
2703
2704 /* PLLM */
2705 clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
2706 CLK_SET_RATE_GATE, &pll_m_params, NULL);
2707 clk_register_clkdev(clk, "pll_m", NULL);
2708 clks[TEGRA210_CLK_PLL_M] = clk;
2709
2710 /* PLLMB */
2711 clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
2712 CLK_SET_RATE_GATE, &pll_mb_params, NULL);
2713 clk_register_clkdev(clk, "pll_mb", NULL);
2714 clks[TEGRA210_CLK_PLL_MB] = clk;
2715
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RK
2716 /* PLLM_UD */
2717 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
2718 CLK_SET_RATE_PARENT, 1, 1);
2719 clk_register_clkdev(clk, "pll_m_ud", NULL);
2720 clks[TEGRA210_CLK_PLL_M_UD] = clk;
2721
2722 /* PLLU_VCO */
e745f992
PDS
2723 if (!tegra210_init_pllu()) {
2724 clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
2725 480*1000*1000);
2726 clk_register_clkdev(clk, "pll_u_vco", NULL);
2727 clks[TEGRA210_CLK_PLL_U] = clk;
2728 }
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RK
2729
2730 /* PLLU_OUT */
2731 clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
2732 clk_base + PLLU_BASE, 16, 4, 0,
2733 pll_vco_post_div_table, NULL);
2734 clk_register_clkdev(clk, "pll_u_out", NULL);
2735 clks[TEGRA210_CLK_PLL_U_OUT] = clk;
2736
2737 /* PLLU_OUT1 */
2738 clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
2739 clk_base + PLLU_OUTA, 0,
2740 TEGRA_DIVIDER_ROUND_UP,
2741 8, 8, 1, &pll_u_lock);
2742 clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
2743 clk_base + PLLU_OUTA, 1, 0,
2744 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
2745 clk_register_clkdev(clk, "pll_u_out1", NULL);
2746 clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
2747
2748 /* PLLU_OUT2 */
2749 clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
2750 clk_base + PLLU_OUTA, 0,
2751 TEGRA_DIVIDER_ROUND_UP,
2752 24, 8, 1, &pll_u_lock);
2753 clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
2754 clk_base + PLLU_OUTA, 17, 16,
2755 CLK_SET_RATE_PARENT, 0, &pll_u_lock);
2756 clk_register_clkdev(clk, "pll_u_out2", NULL);
2757 clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
2758
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RK
2759 /* PLLU_480M */
2760 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
2761 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2762 22, 0, &pll_u_lock);
2763 clk_register_clkdev(clk, "pll_u_480M", NULL);
2764 clks[TEGRA210_CLK_PLL_U_480M] = clk;
2765
2766 /* PLLU_60M */
2767 clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
2768 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2769 23, 0, NULL);
2770 clk_register_clkdev(clk, "pll_u_60M", NULL);
2771 clks[TEGRA210_CLK_PLL_U_60M] = clk;
2772
2773 /* PLLU_48M */
2774 clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
2775 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
2776 25, 0, NULL);
2777 clk_register_clkdev(clk, "pll_u_48M", NULL);
2778 clks[TEGRA210_CLK_PLL_U_48M] = clk;
2779
2780 /* PLLD */
2781 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
2782 &pll_d_params, &pll_d_lock);
2783 clk_register_clkdev(clk, "pll_d", NULL);
2784 clks[TEGRA210_CLK_PLL_D] = clk;
2785
2786 /* PLLD_OUT0 */
2787 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
2788 CLK_SET_RATE_PARENT, 1, 2);
2789 clk_register_clkdev(clk, "pll_d_out0", NULL);
2790 clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
2791
2792 /* PLLRE */
926655f9
RK
2793 clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref",
2794 clk_base, pmc, 0,
2795 &pll_re_vco_params,
2796 &pll_re_lock, pll_ref_freq);
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RK
2797 clk_register_clkdev(clk, "pll_re_vco", NULL);
2798 clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
2799
2800 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
2801 clk_base + PLLRE_BASE, 16, 5, 0,
2802 pll_vco_post_div_table, &pll_re_lock);
2803 clk_register_clkdev(clk, "pll_re_out", NULL);
2804 clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
2805
926655f9
RK
2806 clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco",
2807 clk_base + PLLRE_OUT1, 0,
2808 TEGRA_DIVIDER_ROUND_UP,
2809 8, 8, 1, NULL);
2810 clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div",
2811 clk_base + PLLRE_OUT1, 1, 0,
2812 CLK_SET_RATE_PARENT, 0, NULL);
2813 clks[TEGRA210_CLK_PLL_RE_OUT1] = clk;
2814
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RK
2815 /* PLLE */
2816 clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
2817 clk_base, 0, &pll_e_params, NULL);
2818 clk_register_clkdev(clk, "pll_e", NULL);
2819 clks[TEGRA210_CLK_PLL_E] = clk;
2820
2821 /* PLLC4 */
2822 clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
2823 0, &pll_c4_vco_params, NULL, pll_ref_freq);
2824 clk_register_clkdev(clk, "pll_c4_vco", NULL);
2825 clks[TEGRA210_CLK_PLL_C4] = clk;
2826
2827 /* PLLC4_OUT0 */
2828 clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
2829 clk_base + PLLC4_BASE, 19, 4, 0,
2830 pll_vco_post_div_table, NULL);
2831 clk_register_clkdev(clk, "pll_c4_out0", NULL);
2832 clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
2833
2834 /* PLLC4_OUT1 */
2835 clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
2836 CLK_SET_RATE_PARENT, 1, 3);
2837 clk_register_clkdev(clk, "pll_c4_out1", NULL);
2838 clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
2839
2840 /* PLLC4_OUT2 */
2841 clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
2842 CLK_SET_RATE_PARENT, 1, 5);
2843 clk_register_clkdev(clk, "pll_c4_out2", NULL);
2844 clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
2845
2846 /* PLLC4_OUT3 */
2847 clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
2848 clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
2849 8, 8, 1, NULL);
2850 clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
2851 clk_base + PLLC4_OUT, 1, 0,
2852 CLK_SET_RATE_PARENT, 0, NULL);
2853 clk_register_clkdev(clk, "pll_c4_out3", NULL);
2854 clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
2855
2856 /* PLLDP */
2857 clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
2858 0, &pll_dp_params, NULL);
2859 clk_register_clkdev(clk, "pll_dp", NULL);
2860 clks[TEGRA210_CLK_PLL_DP] = clk;
2861
2862 /* PLLD2 */
2863 clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
2864 0, &pll_d2_params, NULL);
2865 clk_register_clkdev(clk, "pll_d2", NULL);
2866 clks[TEGRA210_CLK_PLL_D2] = clk;
2867
2868 /* PLLD2_OUT0 */
2869 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
2870 CLK_SET_RATE_PARENT, 1, 1);
2871 clk_register_clkdev(clk, "pll_d2_out0", NULL);
2872 clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
2873
2874 /* PLLP_OUT2 */
2875 clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
2876 CLK_SET_RATE_PARENT, 1, 2);
2877 clk_register_clkdev(clk, "pll_p_out2", NULL);
2878 clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
2879
2880}
2881
2882/* Tegra210 CPU clock and reset control functions */
2883static void tegra210_wait_cpu_in_reset(u32 cpu)
2884{
2885 unsigned int reg;
2886
2887 do {
2888 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
2889 cpu_relax();
2890 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
2891}
2892
2893static void tegra210_disable_cpu_clock(u32 cpu)
2894{
2895 /* flow controller would take care in the power sequence. */
2896}
2897
2898#ifdef CONFIG_PM_SLEEP
2899static void tegra210_cpu_clock_suspend(void)
2900{
2901 /* switch coresite to clk_m, save off original source */
2902 tegra210_cpu_clk_sctx.clk_csite_src =
2903 readl(clk_base + CLK_SOURCE_CSITE);
2904 writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
2905}
2906
2907static void tegra210_cpu_clock_resume(void)
2908{
2909 writel(tegra210_cpu_clk_sctx.clk_csite_src,
2910 clk_base + CLK_SOURCE_CSITE);
2911}
2912#endif
2913
2914static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
2915 .wait_for_reset = tegra210_wait_cpu_in_reset,
2916 .disable_clock = tegra210_disable_cpu_clock,
2917#ifdef CONFIG_PM_SLEEP
2918 .suspend = tegra210_cpu_clock_suspend,
2919 .resume = tegra210_cpu_clock_resume,
2920#endif
2921};
2922
2923static const struct of_device_id pmc_match[] __initconst = {
2924 { .compatible = "nvidia,tegra210-pmc" },
2925 { },
2926};
2927
2928static struct tegra_clk_init_table init_table[] __initdata = {
2929 { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
2930 { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
2931 { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
2932 { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
2933 { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 },
2934 { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 },
2935 { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 },
2936 { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 },
2937 { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 },
2938 { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2939 { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2940 { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2941 { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2942 { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
2943 { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
2944 { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
2945 { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 1 },
2946 { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
2947 { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
2948 { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
2949 { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 },
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RK
2950 { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
2951 { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
2952 { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
2953 { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
2954 { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
2955 { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
2956 { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
2957 { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
2958 { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
2959 { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
2960 { TEGRA210_CLK_EMC, TEGRA210_CLK_CLK_MAX, 0, 1 },
2961 { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
2962 { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
2963 { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
2964 { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
2965 { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
2966 { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
2967 { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
2968 { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
2969 { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
2970 { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
2971 { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
2972 { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
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PDS
2973 { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
2974 { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
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RK
2975 /* This MUST be the last entry. */
2976 { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
2977};
2978
2979/**
2980 * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
2981 *
2982 * Program an initial clock rate and enable or disable clocks needed
2983 * by the rest of the kernel, for Tegra210 SoCs. It is intended to be
2984 * called by assigning a pointer to it to tegra_clk_apply_init_table -
2985 * this will be called as an arch_initcall. No return value.
2986 */
2987static void __init tegra210_clock_apply_init_table(void)
2988{
2989 tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
2990}
2991
68d724ce
PDS
2992/**
2993 * tegra210_car_barrier - wait for pending writes to the CAR to complete
2994 *
2995 * Wait for any outstanding writes to the CAR MMIO space from this CPU
2996 * to complete before continuing execution. No return value.
2997 */
2998static void tegra210_car_barrier(void)
2999{
3000 readl_relaxed(clk_base + RST_DFLL_DVCO);
3001}
3002
3003/**
3004 * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
3005 *
3006 * Assert the reset line of the DFLL's DVCO. No return value.
3007 */
3008static void tegra210_clock_assert_dfll_dvco_reset(void)
3009{
3010 u32 v;
3011
3012 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3013 v |= (1 << DVFS_DFLL_RESET_SHIFT);
3014 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3015 tegra210_car_barrier();
3016}
3017
3018/**
3019 * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
3020 *
3021 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
3022 * operate. No return value.
3023 */
3024static void tegra210_clock_deassert_dfll_dvco_reset(void)
3025{
3026 u32 v;
3027
3028 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3029 v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
3030 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3031 tegra210_car_barrier();
3032}
3033
3034static int tegra210_reset_assert(unsigned long id)
3035{
3036 if (id == TEGRA210_RST_DFLL_DVCO)
3037 tegra210_clock_assert_dfll_dvco_reset();
3038 else if (id == TEGRA210_RST_ADSP)
3039 writel(GENMASK(26, 21) | BIT(7),
3040 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET);
3041 else
3042 return -EINVAL;
3043
3044 return 0;
3045}
3046
3047static int tegra210_reset_deassert(unsigned long id)
3048{
3049 if (id == TEGRA210_RST_DFLL_DVCO)
3050 tegra210_clock_deassert_dfll_dvco_reset();
3051 else if (id == TEGRA210_RST_ADSP) {
3052 writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3053 /*
3054 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz)
3055 * a delay of 5us ensures that it's at least
3056 * 6 * adsp_cpu_cycle_period long.
3057 */
3058 udelay(5);
3059 writel(GENMASK(26, 22) | BIT(7),
3060 clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3061 } else
3062 return -EINVAL;
3063
3064 return 0;
3065}
3066
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RK
3067/**
3068 * tegra210_clock_init - Tegra210-specific clock initialization
3069 * @np: struct device_node * of the DT node for the SoC CAR IP block
3070 *
3071 * Register most SoC clocks for the Tegra210 system-on-chip. Intended
3072 * to be called by the OF init code when a DT node with the
3073 * "nvidia,tegra210-car" string is encountered, and declared with
3074 * CLK_OF_DECLARE. No return value.
3075 */
3076static void __init tegra210_clock_init(struct device_node *np)
3077{
3078 struct device_node *node;
3079 u32 value, clk_m_div;
3080
3081 clk_base = of_iomap(np, 0);
3082 if (!clk_base) {
3083 pr_err("ioremap tegra210 CAR failed\n");
3084 return;
3085 }
3086
3087 node = of_find_matching_node(NULL, pmc_match);
3088 if (!node) {
3089 pr_err("Failed to find pmc node\n");
3090 WARN_ON(1);
3091 return;
3092 }
3093
3094 pmc_base = of_iomap(node, 0);
3095 if (!pmc_base) {
3096 pr_err("Can't map pmc registers\n");
3097 WARN_ON(1);
3098 return;
3099 }
3100
3101 clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
3102 TEGRA210_CAR_BANK_COUNT);
3103 if (!clks)
3104 return;
3105
3106 value = clk_readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
3107 clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
3108
3109 if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
3110 ARRAY_SIZE(tegra210_input_freq), clk_m_div,
3111 &osc_freq, &pll_ref_freq) < 0)
3112 return;
3113
3114 tegra_fixed_clk_init(tegra210_clks);
3115 tegra210_pll_init(clk_base, pmc_base);
3116 tegra210_periph_clk_init(clk_base, pmc_base);
3117 tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
3118 tegra210_audio_plls,
3119 ARRAY_SIZE(tegra210_audio_plls));
3120 tegra_pmc_clk_init(pmc_base, tegra210_clks);
3121
3122 /* For Tegra210, PLLD is the only source for DSIA & DSIB */
3123 value = clk_readl(clk_base + PLLD_BASE);
3124 value &= ~BIT(25);
3125 clk_writel(value, clk_base + PLLD_BASE);
3126
3127 tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
3128
3129 tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
3130 &pll_x_params);
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PDS
3131 tegra_init_special_resets(2, tegra210_reset_assert,
3132 tegra210_reset_deassert);
3133
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RK
3134 tegra_add_of_provider(np);
3135 tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
3136
3137 tegra_cpu_car_ops = &tegra210_cpu_car_ops;
3138}
3139CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);