1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Legacy platform_data quirks
4 *
5 * Copyright (C) 2013 Texas Instruments
6 */
7 #include <linux/clk.h>
8 #include <linux/davinci_emac.h>
9 #include <linux/gpio.h>
10 #include <linux/init.h>
11 #include <linux/kernel.h>
12 #include <linux/of_platform.h>
13 #include <linux/wl12xx.h>
14 #include <linux/mmc/card.h>
15 #include <linux/mmc/host.h>
16 #include <linux/power/smartreflex.h>
17 #include <linux/regulator/machine.h>
18 #include <linux/regulator/fixed.h>
19
20 #include <linux/platform_data/pinctrl-single.h>
21 #include <linux/platform_data/hsmmc-omap.h>
22 #include <linux/platform_data/iommu-omap.h>
23 #include <linux/platform_data/ti-sysc.h>
24 #include <linux/platform_data/wkup_m3.h>
25 #include <linux/platform_data/asoc-ti-mcbsp.h>
26 #include <linux/platform_data/ti-prm.h>
27
28 #include "clockdomain.h"
29 #include "common.h"
30 #include "common-board-devices.h"
31 #include "control.h"
32 #include "omap_device.h"
33 #include "omap-secure.h"
34 #include "soc.h"
35
36 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
37
38 struct pdata_init {
39 const char *compatible;
40 void (*fn)(void);
41 };
42
43 static struct of_dev_auxdata omap_auxdata_lookup[];
44 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
45
46 #if IS_ENABLED(CONFIG_OMAP_IOMMU)
47 int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, bool request,
48 u8 *pwrst);
49 #else
omap_iommu_set_pwrdm_constraint(struct platform_device * pdev,bool request,u8 * pwrst)50 static inline int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev,
51 bool request, u8 *pwrst)
52 {
53 return 0;
54 }
55 #endif
56
57 #ifdef CONFIG_MACH_NOKIA_N8X0
omap2420_n8x0_legacy_init(void)58 static void __init omap2420_n8x0_legacy_init(void)
59 {
60 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
61 }
62 #else
63 #define omap2420_n8x0_legacy_init NULL
64 #endif
65
66 #ifdef CONFIG_ARCH_OMAP3
67 /*
68 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
69 * mode for MMC1 in case bootloader did not configure things.
70 * Note that if the pins are used for MMC1, pbias-regulator
71 * manages the IO voltage.
72 */
omap3_gpio126_127_129(void)73 static void __init omap3_gpio126_127_129(void)
74 {
75 u32 reg;
76
77 reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
78 reg &= ~OMAP343X_PBIASLITEVMODE1;
79 reg |= OMAP343X_PBIASLITEPWRDNZ1;
80 omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
81 if (cpu_is_omap3630()) {
82 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
83 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
84 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
85 }
86 }
87
hsmmc2_internal_input_clk(void)88 static void __init hsmmc2_internal_input_clk(void)
89 {
90 u32 reg;
91
92 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
93 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
94 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
95 }
96
97 #ifdef CONFIG_OMAP_HWMOD
98 static struct iommu_platform_data omap3_iommu_pdata = {
99 .reset_name = "mmu",
100 .assert_reset = omap_device_assert_hardreset,
101 .deassert_reset = omap_device_deassert_hardreset,
102 .device_enable = omap_device_enable,
103 .device_idle = omap_device_idle,
104 };
105
106 static struct iommu_platform_data omap3_iommu_isp_pdata = {
107 .device_enable = omap_device_enable,
108 .device_idle = omap_device_idle,
109 };
110 #endif
111
omap3_sbc_t3730_twl_callback(struct device * dev,unsigned gpio,unsigned ngpio)112 static int omap3_sbc_t3730_twl_callback(struct device *dev,
113 unsigned gpio,
114 unsigned ngpio)
115 {
116 int res;
117
118 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
119 "wlan pwr");
120 if (res)
121 return res;
122
123 gpio_export(gpio, 0);
124
125 return 0;
126 }
127
omap3_sbc_t3x_usb_hub_init(int gpio,char * hub_name)128 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
129 {
130 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
131
132 if (err) {
133 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
134 hub_name, err);
135 return;
136 }
137
138 gpio_export(gpio, 0);
139
140 udelay(10);
141 gpio_set_value(gpio, 1);
142 msleep(1);
143 }
144
omap3_sbc_t3730_twl_init(void)145 static void __init omap3_sbc_t3730_twl_init(void)
146 {
147 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
148 }
149
omap3_sbc_t3730_legacy_init(void)150 static void __init omap3_sbc_t3730_legacy_init(void)
151 {
152 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
153 }
154
omap3_sbc_t3530_legacy_init(void)155 static void __init omap3_sbc_t3530_legacy_init(void)
156 {
157 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
158 }
159
omap3_evm_legacy_init(void)160 static void __init omap3_evm_legacy_init(void)
161 {
162 hsmmc2_internal_input_clk();
163 }
164
am35xx_enable_emac_int(void)165 static void am35xx_enable_emac_int(void)
166 {
167 u32 v;
168
169 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
170 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
171 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
172 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
173 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
174 }
175
am35xx_disable_emac_int(void)176 static void am35xx_disable_emac_int(void)
177 {
178 u32 v;
179
180 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
181 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
182 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
183 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
184 }
185
186 static struct emac_platform_data am35xx_emac_pdata = {
187 .interrupt_enable = am35xx_enable_emac_int,
188 .interrupt_disable = am35xx_disable_emac_int,
189 };
190
am35xx_emac_reset(void)191 static void __init am35xx_emac_reset(void)
192 {
193 u32 v;
194
195 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
196 v &= ~AM35XX_CPGMACSS_SW_RST;
197 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
198 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
199 }
200
201 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
202 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
203 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
204 };
205
omap3_sbc_t3517_wifi_init(void)206 static void __init omap3_sbc_t3517_wifi_init(void)
207 {
208 int err = gpio_request_array(cm_t3517_wlan_gpios,
209 ARRAY_SIZE(cm_t3517_wlan_gpios));
210 if (err) {
211 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
212 return;
213 }
214
215 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
216 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
217
218 msleep(100);
219 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
220 }
221
omap3_sbc_t3517_legacy_init(void)222 static void __init omap3_sbc_t3517_legacy_init(void)
223 {
224 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
225 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
226 am35xx_emac_reset();
227 hsmmc2_internal_input_clk();
228 omap3_sbc_t3517_wifi_init();
229 }
230
am3517_evm_legacy_init(void)231 static void __init am3517_evm_legacy_init(void)
232 {
233 am35xx_emac_reset();
234 }
235
nokia_n900_legacy_init(void)236 static void __init nokia_n900_legacy_init(void)
237 {
238 hsmmc2_internal_input_clk();
239 mmc_pdata[0].name = "external";
240 mmc_pdata[1].name = "internal";
241
242 if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
243 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
244 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
245 /* set IBE to 1 */
246 rx51_secure_update_aux_cr(BIT(6), 0);
247 } else {
248 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
249 pr_warn("Thumb binaries may crash randomly without this workaround\n");
250 }
251 }
252 }
253
omap3_tao3530_legacy_init(void)254 static void __init omap3_tao3530_legacy_init(void)
255 {
256 hsmmc2_internal_input_clk();
257 }
258
omap3_logicpd_torpedo_init(void)259 static void __init omap3_logicpd_torpedo_init(void)
260 {
261 omap3_gpio126_127_129();
262 }
263
264 /* omap3pandora legacy devices */
265
266 static struct platform_device pandora_backlight = {
267 .name = "pandora-backlight",
268 .id = -1,
269 };
270
omap3_pandora_legacy_init(void)271 static void __init omap3_pandora_legacy_init(void)
272 {
273 platform_device_register(&pandora_backlight);
274 }
275 #endif /* CONFIG_ARCH_OMAP3 */
276
277 #ifdef CONFIG_SOC_OMAP5
omap5_uevm_legacy_init(void)278 static void __init omap5_uevm_legacy_init(void)
279 {
280 }
281 #endif
282
283 #ifdef CONFIG_SOC_DRA7XX
284 static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = {
285 .set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint,
286 };
287
288 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1;
289 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2;
290 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3;
291
dra7x_evm_mmc_quirk(void)292 static void __init dra7x_evm_mmc_quirk(void)
293 {
294 if (omap_rev() == DRA752_REV_ES1_1 || omap_rev() == DRA752_REV_ES1_0) {
295 dra7_hsmmc_data_mmc1.version = "rev11";
296 dra7_hsmmc_data_mmc1.max_freq = 96000000;
297
298 dra7_hsmmc_data_mmc2.version = "rev11";
299 dra7_hsmmc_data_mmc2.max_freq = 48000000;
300
301 dra7_hsmmc_data_mmc3.version = "rev11";
302 dra7_hsmmc_data_mmc3.max_freq = 48000000;
303 }
304 }
305 #endif
306
ti_sysc_find_one_clockdomain(struct clk * clk)307 static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk)
308 {
309 struct clk_hw *hw = __clk_get_hw(clk);
310 struct clockdomain *clkdm = NULL;
311 struct clk_hw_omap *hwclk;
312
313 hwclk = to_clk_hw_omap(hw);
314 if (!omap2_clk_is_hw_omap(hw))
315 return NULL;
316
317 if (hwclk && hwclk->clkdm_name)
318 clkdm = clkdm_lookup(hwclk->clkdm_name);
319
320 return clkdm;
321 }
322
323 /**
324 * ti_sysc_clkdm_init - find clockdomain based on clock
325 * @fck: device functional clock
326 * @ick: device interface clock
327 * @dev: struct device
328 *
329 * Populate clockdomain based on clock. It is needed for
330 * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
331 * clockdomain idle during reset, enable and idle.
332 *
333 * Note that we assume interconnect driver manages the clocks
334 * and do not need to populate oh->_clk for dynamically
335 * allocated modules.
336 */
ti_sysc_clkdm_init(struct device * dev,struct clk * fck,struct clk * ick,struct ti_sysc_cookie * cookie)337 static int ti_sysc_clkdm_init(struct device *dev,
338 struct clk *fck, struct clk *ick,
339 struct ti_sysc_cookie *cookie)
340 {
341 if (!IS_ERR(fck))
342 cookie->clkdm = ti_sysc_find_one_clockdomain(fck);
343 if (cookie->clkdm)
344 return 0;
345 if (!IS_ERR(ick))
346 cookie->clkdm = ti_sysc_find_one_clockdomain(ick);
347 if (cookie->clkdm)
348 return 0;
349
350 return -ENODEV;
351 }
352
ti_sysc_clkdm_deny_idle(struct device * dev,const struct ti_sysc_cookie * cookie)353 static void ti_sysc_clkdm_deny_idle(struct device *dev,
354 const struct ti_sysc_cookie *cookie)
355 {
356 if (cookie->clkdm)
357 clkdm_deny_idle(cookie->clkdm);
358 }
359
ti_sysc_clkdm_allow_idle(struct device * dev,const struct ti_sysc_cookie * cookie)360 static void ti_sysc_clkdm_allow_idle(struct device *dev,
361 const struct ti_sysc_cookie *cookie)
362 {
363 if (cookie->clkdm)
364 clkdm_allow_idle(cookie->clkdm);
365 }
366
367 #ifdef CONFIG_OMAP_HWMOD
ti_sysc_enable_module(struct device * dev,const struct ti_sysc_cookie * cookie)368 static int ti_sysc_enable_module(struct device *dev,
369 const struct ti_sysc_cookie *cookie)
370 {
371 if (!cookie->data)
372 return -EINVAL;
373
374 return omap_hwmod_enable(cookie->data);
375 }
376
ti_sysc_idle_module(struct device * dev,const struct ti_sysc_cookie * cookie)377 static int ti_sysc_idle_module(struct device *dev,
378 const struct ti_sysc_cookie *cookie)
379 {
380 if (!cookie->data)
381 return -EINVAL;
382
383 return omap_hwmod_idle(cookie->data);
384 }
385
ti_sysc_shutdown_module(struct device * dev,const struct ti_sysc_cookie * cookie)386 static int ti_sysc_shutdown_module(struct device *dev,
387 const struct ti_sysc_cookie *cookie)
388 {
389 if (!cookie->data)
390 return -EINVAL;
391
392 return omap_hwmod_shutdown(cookie->data);
393 }
394 #endif /* CONFIG_OMAP_HWMOD */
395
ti_sysc_soc_type_gp(void)396 static bool ti_sysc_soc_type_gp(void)
397 {
398 return omap_type() == OMAP2_DEVICE_TYPE_GP;
399 }
400
401 static struct of_dev_auxdata omap_auxdata_lookup[];
402
403 static struct ti_sysc_platform_data ti_sysc_pdata = {
404 .auxdata = omap_auxdata_lookup,
405 .soc_type_gp = ti_sysc_soc_type_gp,
406 .init_clockdomain = ti_sysc_clkdm_init,
407 .clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
408 .clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
409 #ifdef CONFIG_OMAP_HWMOD
410 .init_module = omap_hwmod_init_module,
411 .enable_module = ti_sysc_enable_module,
412 .idle_module = ti_sysc_idle_module,
413 .shutdown_module = ti_sysc_shutdown_module,
414 #endif
415 };
416
417 static struct pcs_pdata pcs_pdata;
418
omap_pcs_legacy_init(int irq,void (* rearm)(void))419 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
420 {
421 pcs_pdata.irq = irq;
422 pcs_pdata.rearm = rearm;
423 }
424
425 static struct ti_prm_platform_data ti_prm_pdata = {
426 .clkdm_deny_idle = clkdm_deny_idle,
427 .clkdm_allow_idle = clkdm_allow_idle,
428 .clkdm_lookup = clkdm_lookup,
429 };
430
431 /*
432 * GPIOs for TWL are initialized by the I2C bus and need custom
433 * handing until DSS has device tree bindings.
434 */
omap_auxdata_legacy_init(struct device * dev)435 void omap_auxdata_legacy_init(struct device *dev)
436 {
437 if (dev->platform_data)
438 return;
439
440 if (strcmp("twl4030-gpio", dev_name(dev)))
441 return;
442
443 dev->platform_data = &twl_gpio_auxdata;
444 }
445
446 #if defined(CONFIG_ARCH_OMAP3) && IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
447 static struct omap_mcbsp_platform_data mcbsp_pdata;
omap3_mcbsp_init(void)448 static void __init omap3_mcbsp_init(void)
449 {
450 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
451 }
452 #else
omap3_mcbsp_init(void)453 static void __init omap3_mcbsp_init(void) {}
454 #endif
455
456 /*
457 * Few boards still need auxdata populated before we populate
458 * the dev entries in of_platform_populate().
459 */
460 static struct pdata_init auxdata_quirks[] __initdata = {
461 #ifdef CONFIG_SOC_OMAP2420
462 { "nokia,n800", omap2420_n8x0_legacy_init, },
463 { "nokia,n810", omap2420_n8x0_legacy_init, },
464 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
465 #endif
466 #ifdef CONFIG_ARCH_OMAP3
467 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
468 #endif
469 { /* sentinel */ },
470 };
471
472 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
473
474 static struct of_dev_auxdata omap_auxdata_lookup[] = {
475 #ifdef CONFIG_MACH_NOKIA_N8X0
476 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
477 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
478 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
479 #endif
480 #ifdef CONFIG_ARCH_OMAP3
481 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
482 &omap3_iommu_pdata),
483 OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
484 &omap3_iommu_isp_pdata),
485 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
486 "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
487 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
488 "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
489 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
490 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
491 /* Only on am3517 */
492 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
493 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
494 &am35xx_emac_pdata),
495 OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
496 /* McBSP modules with sidetone core */
497 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
498 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
499 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
500 #endif
501 #endif
502 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
503 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
504 "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
505 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
506 "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
507 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
508 "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
509 #endif
510 #ifdef CONFIG_SOC_DRA7XX
511 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
512 &dra7_hsmmc_data_mmc1),
513 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
514 &dra7_hsmmc_data_mmc2),
515 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
516 &dra7_hsmmc_data_mmc3),
517 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
518 &dra7_ipu1_dsp_iommu_pdata),
519 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
520 &dra7_ipu1_dsp_iommu_pdata),
521 OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
522 &dra7_ipu1_dsp_iommu_pdata),
523 #endif
524 /* Common auxdata */
525 OF_DEV_AUXDATA("simple-pm-bus", 0, NULL, omap_auxdata_lookup),
526 OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
527 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
528 OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata),
529 OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info),
530 { /* sentinel */ },
531 };
532
533 /*
534 * Few boards still need to initialize some legacy devices with
535 * platform data until the drivers support device tree.
536 */
537 static struct pdata_init pdata_quirks[] __initdata = {
538 #ifdef CONFIG_ARCH_OMAP3
539 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
540 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
541 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
542 { "nokia,omap3-n900", nokia_n900_legacy_init, },
543 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
544 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
545 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
546 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
547 { "ti,am3517-evm", am3517_evm_legacy_init, },
548 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
549 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
550 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
551 #endif
552 #ifdef CONFIG_SOC_OMAP5
553 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
554 #endif
555 #ifdef CONFIG_SOC_DRA7XX
556 { "ti,dra7-evm", dra7x_evm_mmc_quirk, },
557 #endif
558 { /* sentinel */ },
559 };
560
pdata_quirks_check(struct pdata_init * quirks)561 static void pdata_quirks_check(struct pdata_init *quirks)
562 {
563 while (quirks->compatible) {
564 if (of_machine_is_compatible(quirks->compatible)) {
565 if (quirks->fn)
566 quirks->fn();
567 }
568 quirks++;
569 }
570 }
571
572 static const char * const pdata_quirks_init_nodes[] = {
573 "prcm",
574 "prm",
575 };
576
577 static void __init
pdata_quirks_init_clocks(const struct of_device_id * omap_dt_match_table)578 pdata_quirks_init_clocks(const struct of_device_id *omap_dt_match_table)
579 {
580 struct device_node *np;
581 int i;
582
583 for (i = 0; i < ARRAY_SIZE(pdata_quirks_init_nodes); i++) {
584 np = of_find_node_by_name(NULL, pdata_quirks_init_nodes[i]);
585 if (!np)
586 continue;
587
588 of_platform_populate(np, omap_dt_match_table,
589 omap_auxdata_lookup, NULL);
590 }
591 }
592
pdata_quirks_init(const struct of_device_id * omap_dt_match_table)593 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
594 {
595 /*
596 * We still need this for omap2420 and omap3 PM to work, others are
597 * using drivers/misc/sram.c already.
598 */
599 if (of_machine_is_compatible("ti,omap2420") ||
600 of_machine_is_compatible("ti,omap3"))
601 omap_sdrc_init(NULL, NULL);
602
603 if (of_machine_is_compatible("ti,omap3"))
604 omap3_mcbsp_init();
605 pdata_quirks_check(auxdata_quirks);
606
607 pdata_quirks_init_clocks(omap_dt_match_table);
608
609 of_platform_populate(NULL, omap_dt_match_table,
610 omap_auxdata_lookup, NULL);
611 pdata_quirks_check(pdata_quirks);
612 }
613