ARM: dts: omap3-igep00x0: Remove i2c2 node.
[linux-2.6-block.git] / arch / arm / mach-omap2 / pdata-quirks.c
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6a08e1e6
TL
1/*
2 * Legacy platform_data quirks
3 *
4 * Copyright (C) 2013 Texas Instruments
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10#include <linux/clk.h>
71900314 11#include <linux/davinci_emac.h>
5f0a2c69 12#include <linux/gpio.h>
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13#include <linux/init.h>
14#include <linux/kernel.h>
8651bd8c 15#include <linux/of_platform.h>
5f0a2c69 16#include <linux/wl12xx.h>
6a08e1e6 17
30a69ef7 18#include <linux/platform_data/pinctrl-single.h>
910f1678 19#include <linux/platform_data/iommu-omap.h>
30a69ef7 20
71900314 21#include "am35xx.h"
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22#include "common.h"
23#include "common-board-devices.h"
24#include "dss-common.h"
faf4bd47 25#include "control.h"
910f1678 26#include "omap_device.h"
deff82e6
SR
27#include "omap-secure.h"
28#include "soc.h"
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29
30struct pdata_init {
31 const char *compatible;
32 void (*fn)(void);
33};
34
fa590c92 35struct of_dev_auxdata omap_auxdata_lookup[];
dad12d11 36static struct twl4030_gpio_platform_data twl_gpio_auxdata;
fa590c92 37
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38#if IS_ENABLED(CONFIG_WL12XX)
39
40static struct wl12xx_platform_data wl12xx __initdata;
41
42static void __init __used legacy_init_wl12xx(unsigned ref_clock,
43 unsigned tcxo_clock,
44 int gpio)
45{
46 int res;
47
48 wl12xx.board_ref_clock = ref_clock;
49 wl12xx.board_tcxo_clock = tcxo_clock;
50 wl12xx.irq = gpio_to_irq(gpio);
51
52 res = wl12xx_set_platform_data(&wl12xx);
53 if (res) {
54 pr_err("error setting wl12xx data: %d\n", res);
55 return;
56 }
57}
58#else
59static inline void legacy_init_wl12xx(unsigned ref_clock,
60 unsigned tcxo_clock,
61 int gpio)
62{
63}
64#endif
65
fa590c92
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66#ifdef CONFIG_MACH_NOKIA_N8X0
67static void __init omap2420_n8x0_legacy_init(void)
68{
69 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
70}
71#else
72#define omap2420_n8x0_legacy_init NULL
73#endif
74
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75#ifdef CONFIG_ARCH_OMAP3
76static void __init hsmmc2_internal_input_clk(void)
77{
78 u32 reg;
79
80 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
81 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
82 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
83}
15c9887e 84
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85static struct iommu_platform_data omap3_iommu_pdata = {
86 .reset_name = "mmu",
87 .assert_reset = omap_device_assert_hardreset,
88 .deassert_reset = omap_device_deassert_hardreset,
89};
90
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91static int omap3_sbc_t3730_twl_callback(struct device *dev,
92 unsigned gpio,
93 unsigned ngpio)
94{
95 int res;
96
97 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
d234e423 98 "wlan pwr");
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99 if (res)
100 return res;
101
102 gpio_export(gpio, 0);
103
104 return 0;
105}
106
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107static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
108{
109 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
110
111 if (err) {
112 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
113 hub_name, err);
114 return;
115 }
116
117 gpio_export(gpio, 0);
118
119 udelay(10);
120 gpio_set_value(gpio, 1);
121 msleep(1);
122}
123
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124static void __init omap3_sbc_t3730_twl_init(void)
125{
126 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
127}
128
129static void __init omap3_sbc_t3730_legacy_init(void)
130{
b62d91e5 131 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
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132 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136);
133 omap_ads7846_init(1, 57, 0, NULL);
134}
135
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136static void __init omap3_sbc_t3530_legacy_init(void)
137{
b62d91e5 138 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
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DL
139 omap_ads7846_init(1, 57, 0, NULL);
140}
141
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142static void __init omap3_igep0020_legacy_init(void)
143{
15c9887e 144}
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145
146static void __init omap3_evm_legacy_init(void)
147{
148 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
149}
150
151static void __init omap3_zoom_legacy_init(void)
152{
153 legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
154}
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TL
155
156static void am35xx_enable_emac_int(void)
157{
158 u32 v;
159
160 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
161 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
162 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
163 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
164 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
165}
166
167static void am35xx_disable_emac_int(void)
168{
169 u32 v;
170
171 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
172 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
173 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
174 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
175}
176
177static struct emac_platform_data am35xx_emac_pdata = {
178 .interrupt_enable = am35xx_enable_emac_int,
179 .interrupt_disable = am35xx_disable_emac_int,
180};
181
fb45105a 182static void __init am35xx_emac_reset(void)
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183{
184 u32 v;
185
186 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
187 v &= ~AM35XX_CPGMACSS_SW_RST;
188 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
189 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
190}
deff82e6 191
fb45105a
DL
192static struct gpio cm_t3517_wlan_gpios[] __initdata = {
193 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
194 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
195};
196
197static void __init omap3_sbc_t3517_wifi_init(void)
198{
199 int err = gpio_request_array(cm_t3517_wlan_gpios,
200 ARRAY_SIZE(cm_t3517_wlan_gpios));
201 if (err) {
202 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
203 return;
204 }
205
206 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
207 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
208
209 msleep(100);
210 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
211}
212
213static void __init omap3_sbc_t3517_legacy_init(void)
214{
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215 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
216 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
fb45105a
DL
217 am35xx_emac_reset();
218 hsmmc2_internal_input_clk();
219 omap3_sbc_t3517_wifi_init();
220 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 145);
221 omap_ads7846_init(1, 57, 0, NULL);
222}
223
224static void __init am3517_evm_legacy_init(void)
225{
226 am35xx_emac_reset();
227}
f83ccb93 228
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SR
229static struct platform_device omap3_rom_rng_device = {
230 .name = "omap3-rom-rng",
231 .id = -1,
232 .dev = {
233 .platform_data = rx51_secure_rng_call,
234 },
235};
236
deff82e6
SR
237static void __init nokia_n900_legacy_init(void)
238{
239 hsmmc2_internal_input_clk();
240
241 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
242 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
243 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
244 /* set IBE to 1 */
245 rx51_secure_update_aux_cr(BIT(6), 0);
246 } else {
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247 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
248 pr_warn("Thumb binaries may crash randomly without this workaround\n");
deff82e6 249 }
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250
251 pr_info("RX-51: Registring OMAP3 HWRNG device\n");
252 platform_device_register(&omap3_rom_rng_device);
253
deff82e6 254 }
271d4c6b
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255
256 /* Only on some development boards */
257 gpio_request_one(164, GPIOF_OUT_INIT_LOW, "smc91x reset");
deff82e6 258}
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SR
259
260static void __init omap3_tao3530_legacy_init(void)
261{
262 hsmmc2_internal_input_clk();
deff82e6 263}
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264#endif /* CONFIG_ARCH_OMAP3 */
265
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266#ifdef CONFIG_ARCH_OMAP4
267static void __init omap4_sdp_legacy_init(void)
268{
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269 legacy_init_wl12xx(WL12XX_REFCLOCK_26,
270 WL12XX_TCXOCLOCK_26, 53);
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271}
272
273static void __init omap4_panda_legacy_init(void)
274{
5f0a2c69 275 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
3e7a3185 276}
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277
278static void __init var_som_om44_legacy_init(void)
279{
280 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 41);
281}
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282#endif
283
67eb1e6e 284#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
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285static struct iommu_platform_data omap4_iommu_pdata = {
286 .reset_name = "mmu_cache",
287 .assert_reset = omap_device_assert_hardreset,
288 .deassert_reset = omap_device_deassert_hardreset,
289};
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290#endif
291
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292#ifdef CONFIG_SOC_AM33XX
293static void __init am335x_evmsk_legacy_init(void)
294{
295 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 31);
296}
297#endif
298
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299#ifdef CONFIG_SOC_OMAP5
300static void __init omap5_uevm_legacy_init(void)
301{
3e7a3185
TL
302}
303#endif
304
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305static struct pcs_pdata pcs_pdata;
306
307void omap_pcs_legacy_init(int irq, void (*rearm)(void))
308{
309 pcs_pdata.irq = irq;
310 pcs_pdata.rearm = rearm;
311}
312
dad12d11
TL
313/*
314 * GPIOs for TWL are initialized by the I2C bus and need custom
315 * handing until DSS has device tree bindings.
316 */
317void omap_auxdata_legacy_init(struct device *dev)
318{
319 if (dev->platform_data)
320 return;
321
322 if (strcmp("twl4030-gpio", dev_name(dev)))
323 return;
324
325 dev->platform_data = &twl_gpio_auxdata;
326}
327
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328/*
329 * Few boards still need auxdata populated before we populate
330 * the dev entries in of_platform_populate().
331 */
332static struct pdata_init auxdata_quirks[] __initdata = {
fa590c92
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333#ifdef CONFIG_SOC_OMAP2420
334 { "nokia,n800", omap2420_n8x0_legacy_init, },
335 { "nokia,n810", omap2420_n8x0_legacy_init, },
336 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
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337#endif
338#ifdef CONFIG_ARCH_OMAP3
339 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
fa590c92 340#endif
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341 { /* sentinel */ },
342};
343
8651bd8c 344struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
036582f7
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345#ifdef CONFIG_MACH_NOKIA_N8X0
346 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
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347 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
348 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
036582f7 349#endif
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TL
350#ifdef CONFIG_ARCH_OMAP3
351 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
4b416368 352 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
30a69ef7 353 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
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SA
354 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
355 &omap3_iommu_pdata),
71900314
TL
356 /* Only on am3517 */
357 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
358 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
359 &am35xx_emac_pdata),
30a69ef7
TL
360#endif
361#ifdef CONFIG_ARCH_OMAP4
362 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
363 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
67eb1e6e 364#endif
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NM
365#ifdef CONFIG_SOC_OMAP5
366 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata),
367 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata),
368#endif
b0a3d0da
NM
369#ifdef CONFIG_SOC_DRA7XX
370 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
371#endif
dbbe9770
K
372#ifdef CONFIG_SOC_AM43XX
373 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
374#endif
67eb1e6e 375#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
910f1678
SA
376 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
377 &omap4_iommu_pdata),
378 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
379 &omap4_iommu_pdata),
30a69ef7 380#endif
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381 { /* sentinel */ },
382};
383
036582f7
TL
384/*
385 * Few boards still need to initialize some legacy devices with
386 * platform data until the drivers support device tree.
387 */
6a08e1e6 388static struct pdata_init pdata_quirks[] __initdata = {
faf4bd47 389#ifdef CONFIG_ARCH_OMAP3
fb45105a 390 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
40ecc02e 391 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
0f0cfc69 392 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
deff82e6 393 { "nokia,omap3-n900", nokia_n900_legacy_init, },
faf4bd47
AK
394 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
395 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
15c9887e 396 { "isee,omap3-igep0020", omap3_igep0020_legacy_init, },
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TL
397 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
398 { "ti,omap3-zoom3", omap3_zoom_legacy_init, },
71900314 399 { "ti,am3517-evm", am3517_evm_legacy_init, },
63dd5bc0 400 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
faf4bd47 401#endif
3e7a3185
TL
402#ifdef CONFIG_ARCH_OMAP4
403 { "ti,omap4-sdp", omap4_sdp_legacy_init, },
404 { "ti,omap4-panda", omap4_panda_legacy_init, },
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JE
405 { "variscite,var-dvk-om44", var_som_om44_legacy_init, },
406 { "variscite,var-stk-om44", var_som_om44_legacy_init, },
3e7a3185 407#endif
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IK
408#ifdef CONFIG_SOC_AM33XX
409 { "ti,am335x-evmsk", am335x_evmsk_legacy_init, },
410#endif
3e7a3185
TL
411#ifdef CONFIG_SOC_OMAP5
412 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
413#endif
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414 { /* sentinel */ },
415};
416
036582f7 417static void pdata_quirks_check(struct pdata_init *quirks)
6a08e1e6 418{
6a08e1e6
TL
419 while (quirks->compatible) {
420 if (of_machine_is_compatible(quirks->compatible)) {
421 if (quirks->fn)
422 quirks->fn();
423 break;
424 }
425 quirks++;
426 }
427}
036582f7 428
31957609 429void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
036582f7
TL
430{
431 omap_sdrc_init(NULL, NULL);
432 pdata_quirks_check(auxdata_quirks);
433 of_platform_populate(NULL, omap_dt_match_table,
434 omap_auxdata_lookup, NULL);
435 pdata_quirks_check(pdata_quirks);
436}