xref: /linux/arch/arm/mach-omap2/pdata-quirks.c (revision 61ffb9d27860769c5d5596f6e4cca3cded2755e0)
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 
27 #include "clockdomain.h"
28 #include "common.h"
29 #include "common-board-devices.h"
30 #include "control.h"
31 #include "omap_device.h"
32 #include "omap-secure.h"
33 #include "soc.h"
34 
35 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
36 
37 struct pdata_init {
38 	const char *compatible;
39 	void (*fn)(void);
40 };
41 
42 static struct of_dev_auxdata omap_auxdata_lookup[];
43 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
44 
45 #ifdef CONFIG_MACH_NOKIA_N8X0
46 static void __init omap2420_n8x0_legacy_init(void)
47 {
48 	omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
49 }
50 #else
51 #define omap2420_n8x0_legacy_init	NULL
52 #endif
53 
54 #ifdef CONFIG_ARCH_OMAP3
55 /*
56  * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
57  * mode for MMC1 in case bootloader did not configure things.
58  * Note that if the pins are used for MMC1, pbias-regulator
59  * manages the IO voltage.
60  */
61 static void __init omap3_gpio126_127_129(void)
62 {
63 	u32 reg;
64 
65 	reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
66 	reg &= ~OMAP343X_PBIASLITEVMODE1;
67 	reg |= OMAP343X_PBIASLITEPWRDNZ1;
68 	omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
69 	if (cpu_is_omap3630()) {
70 		reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
71 		reg |= OMAP36XX_GPIO_IO_PWRDNZ;
72 		omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
73 	}
74 }
75 
76 static 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 }
84 
85 static 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 	.device_enable = omap_device_enable,
90 	.device_idle = omap_device_idle,
91 };
92 
93 static struct iommu_platform_data omap3_iommu_isp_pdata = {
94 	.device_enable = omap_device_enable,
95 	.device_idle = omap_device_idle,
96 };
97 
98 static int omap3_sbc_t3730_twl_callback(struct device *dev,
99 					   unsigned gpio,
100 					   unsigned ngpio)
101 {
102 	int res;
103 
104 	res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
105 			       "wlan pwr");
106 	if (res)
107 		return res;
108 
109 	gpio_export(gpio, 0);
110 
111 	return 0;
112 }
113 
114 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
115 {
116 	int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
117 
118 	if (err) {
119 		pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
120 			hub_name, err);
121 		return;
122 	}
123 
124 	gpio_export(gpio, 0);
125 
126 	udelay(10);
127 	gpio_set_value(gpio, 1);
128 	msleep(1);
129 }
130 
131 static void __init omap3_sbc_t3730_twl_init(void)
132 {
133 	twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
134 }
135 
136 static void __init omap3_sbc_t3730_legacy_init(void)
137 {
138 	omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
139 }
140 
141 static void __init omap3_sbc_t3530_legacy_init(void)
142 {
143 	omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
144 }
145 
146 static void __init omap3_evm_legacy_init(void)
147 {
148 	hsmmc2_internal_input_clk();
149 }
150 
151 static void am35xx_enable_emac_int(void)
152 {
153 	u32 v;
154 
155 	v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
156 	v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
157 	      AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
158 	omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
159 	omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
160 }
161 
162 static void am35xx_disable_emac_int(void)
163 {
164 	u32 v;
165 
166 	v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
167 	v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
168 	omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
169 	omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
170 }
171 
172 static struct emac_platform_data am35xx_emac_pdata = {
173 	.interrupt_enable	= am35xx_enable_emac_int,
174 	.interrupt_disable	= am35xx_disable_emac_int,
175 };
176 
177 static void __init am35xx_emac_reset(void)
178 {
179 	u32 v;
180 
181 	v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
182 	v &= ~AM35XX_CPGMACSS_SW_RST;
183 	omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
184 	omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
185 }
186 
187 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
188 	{ 56,	GPIOF_OUT_INIT_HIGH,	"wlan pwr" },
189 	{ 4,	GPIOF_OUT_INIT_HIGH,	"xcvr noe" },
190 };
191 
192 static void __init omap3_sbc_t3517_wifi_init(void)
193 {
194 	int err = gpio_request_array(cm_t3517_wlan_gpios,
195 				ARRAY_SIZE(cm_t3517_wlan_gpios));
196 	if (err) {
197 		pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
198 		return;
199 	}
200 
201 	gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
202 	gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
203 
204 	msleep(100);
205 	gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
206 }
207 
208 static void __init omap3_sbc_t3517_legacy_init(void)
209 {
210 	omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
211 	omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
212 	am35xx_emac_reset();
213 	hsmmc2_internal_input_clk();
214 	omap3_sbc_t3517_wifi_init();
215 }
216 
217 static void __init am3517_evm_legacy_init(void)
218 {
219 	am35xx_emac_reset();
220 }
221 
222 static void __init nokia_n900_legacy_init(void)
223 {
224 	hsmmc2_internal_input_clk();
225 	mmc_pdata[0].name = "external";
226 	mmc_pdata[1].name = "internal";
227 
228 	if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
229 		if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
230 			pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
231 			/* set IBE to 1 */
232 			rx51_secure_update_aux_cr(BIT(6), 0);
233 		} else {
234 			pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
235 			pr_warn("Thumb binaries may crash randomly without this workaround\n");
236 		}
237 	}
238 }
239 
240 static void __init omap3_tao3530_legacy_init(void)
241 {
242 	hsmmc2_internal_input_clk();
243 }
244 
245 static void __init omap3_logicpd_torpedo_init(void)
246 {
247 	omap3_gpio126_127_129();
248 }
249 
250 /* omap3pandora legacy devices */
251 
252 static struct platform_device pandora_backlight = {
253 	.name	= "pandora-backlight",
254 	.id	= -1,
255 };
256 
257 static void __init omap3_pandora_legacy_init(void)
258 {
259 	platform_device_register(&pandora_backlight);
260 }
261 #endif /* CONFIG_ARCH_OMAP3 */
262 
263 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
264 static struct iommu_platform_data omap4_iommu_pdata = {
265 	.reset_name = "mmu_cache",
266 	.assert_reset = omap_device_assert_hardreset,
267 	.deassert_reset = omap_device_deassert_hardreset,
268 	.device_enable = omap_device_enable,
269 	.device_idle = omap_device_idle,
270 };
271 #endif
272 
273 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
274 static struct wkup_m3_platform_data wkup_m3_data = {
275 	.reset_name = "wkup_m3",
276 	.assert_reset = omap_device_assert_hardreset,
277 	.deassert_reset = omap_device_deassert_hardreset,
278 };
279 #endif
280 
281 #ifdef CONFIG_SOC_OMAP5
282 static void __init omap5_uevm_legacy_init(void)
283 {
284 }
285 #endif
286 
287 #ifdef CONFIG_SOC_DRA7XX
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 
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 
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  */
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 
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 
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 static int ti_sysc_enable_module(struct device *dev,
368 				 const struct ti_sysc_cookie *cookie)
369 {
370 	if (!cookie->data)
371 		return -EINVAL;
372 
373 	return omap_hwmod_enable(cookie->data);
374 }
375 
376 static int ti_sysc_idle_module(struct device *dev,
377 			       const struct ti_sysc_cookie *cookie)
378 {
379 	if (!cookie->data)
380 		return -EINVAL;
381 
382 	return omap_hwmod_idle(cookie->data);
383 }
384 
385 static int ti_sysc_shutdown_module(struct device *dev,
386 				   const struct ti_sysc_cookie *cookie)
387 {
388 	if (!cookie->data)
389 		return -EINVAL;
390 
391 	return omap_hwmod_shutdown(cookie->data);
392 }
393 
394 static struct of_dev_auxdata omap_auxdata_lookup[];
395 
396 static struct ti_sysc_platform_data ti_sysc_pdata = {
397 	.auxdata = omap_auxdata_lookup,
398 	.init_clockdomain = ti_sysc_clkdm_init,
399 	.clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
400 	.clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
401 	.init_module = omap_hwmod_init_module,
402 	.enable_module = ti_sysc_enable_module,
403 	.idle_module = ti_sysc_idle_module,
404 	.shutdown_module = ti_sysc_shutdown_module,
405 };
406 
407 static struct pcs_pdata pcs_pdata;
408 
409 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
410 {
411 	pcs_pdata.irq = irq;
412 	pcs_pdata.rearm = rearm;
413 }
414 
415 /*
416  * GPIOs for TWL are initialized by the I2C bus and need custom
417  * handing until DSS has device tree bindings.
418  */
419 void omap_auxdata_legacy_init(struct device *dev)
420 {
421 	if (dev->platform_data)
422 		return;
423 
424 	if (strcmp("twl4030-gpio", dev_name(dev)))
425 		return;
426 
427 	dev->platform_data = &twl_gpio_auxdata;
428 }
429 
430 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
431 static struct omap_mcbsp_platform_data mcbsp_pdata;
432 static void __init omap3_mcbsp_init(void)
433 {
434 	omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
435 }
436 #else
437 static void __init omap3_mcbsp_init(void) {}
438 #endif
439 
440 /*
441  * Few boards still need auxdata populated before we populate
442  * the dev entries in of_platform_populate().
443  */
444 static struct pdata_init auxdata_quirks[] __initdata = {
445 #ifdef CONFIG_SOC_OMAP2420
446 	{ "nokia,n800", omap2420_n8x0_legacy_init, },
447 	{ "nokia,n810", omap2420_n8x0_legacy_init, },
448 	{ "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
449 #endif
450 #ifdef CONFIG_ARCH_OMAP3
451 	{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
452 #endif
453 	{ /* sentinel */ },
454 };
455 
456 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
457 
458 static struct of_dev_auxdata omap_auxdata_lookup[] = {
459 #ifdef CONFIG_MACH_NOKIA_N8X0
460 	OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
461 	OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
462 	OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
463 #endif
464 #ifdef CONFIG_ARCH_OMAP3
465 	OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
466 		       &omap3_iommu_pdata),
467 	OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
468 		       &omap3_iommu_isp_pdata),
469 	OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
470 		       "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
471 	OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
472 		       "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
473 	OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
474 	OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
475 	/* Only on am3517 */
476 	OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
477 	OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
478 		       &am35xx_emac_pdata),
479 	OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
480 	/* McBSP modules with sidetone core */
481 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
482 	OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
483 	OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
484 #endif
485 #endif
486 #ifdef CONFIG_SOC_AM33XX
487 	OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
488 		       &wkup_m3_data),
489 #endif
490 #ifdef CONFIG_SOC_AM43XX
491 	OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
492 		       &wkup_m3_data),
493 #endif
494 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
495 	OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
496 		       &omap4_iommu_pdata),
497 	OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
498 		       &omap4_iommu_pdata),
499 	OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
500 		       "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
501 	OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
502 		       "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
503 	OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
504 		       "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
505 #endif
506 #ifdef CONFIG_SOC_DRA7XX
507 	OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
508 		       &dra7_hsmmc_data_mmc1),
509 	OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
510 		       &dra7_hsmmc_data_mmc2),
511 	OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
512 		       &dra7_hsmmc_data_mmc3),
513 #endif
514 	/* Common auxdata */
515 	OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
516 	OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
517 	{ /* sentinel */ },
518 };
519 
520 /*
521  * Few boards still need to initialize some legacy devices with
522  * platform data until the drivers support device tree.
523  */
524 static struct pdata_init pdata_quirks[] __initdata = {
525 #ifdef CONFIG_ARCH_OMAP3
526 	{ "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
527 	{ "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
528 	{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
529 	{ "nokia,omap3-n900", nokia_n900_legacy_init, },
530 	{ "nokia,omap3-n9", hsmmc2_internal_input_clk, },
531 	{ "nokia,omap3-n950", hsmmc2_internal_input_clk, },
532 	{ "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
533 	{ "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
534 	{ "ti,am3517-evm", am3517_evm_legacy_init, },
535 	{ "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
536 	{ "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
537 	{ "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
538 #endif
539 #ifdef CONFIG_SOC_OMAP5
540 	{ "ti,omap5-uevm", omap5_uevm_legacy_init, },
541 #endif
542 #ifdef CONFIG_SOC_DRA7XX
543 	{ "ti,dra7-evm", dra7x_evm_mmc_quirk, },
544 #endif
545 	{ /* sentinel */ },
546 };
547 
548 static void pdata_quirks_check(struct pdata_init *quirks)
549 {
550 	while (quirks->compatible) {
551 		if (of_machine_is_compatible(quirks->compatible)) {
552 			if (quirks->fn)
553 				quirks->fn();
554 		}
555 		quirks++;
556 	}
557 }
558 
559 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
560 {
561 	/*
562 	 * We still need this for omap2420 and omap3 PM to work, others are
563 	 * using drivers/misc/sram.c already.
564 	 */
565 	if (of_machine_is_compatible("ti,omap2420") ||
566 	    of_machine_is_compatible("ti,omap3"))
567 		omap_sdrc_init(NULL, NULL);
568 
569 	if (of_machine_is_compatible("ti,omap3"))
570 		omap3_mcbsp_init();
571 	pdata_quirks_check(auxdata_quirks);
572 	of_platform_populate(NULL, omap_dt_match_table,
573 			     omap_auxdata_lookup, NULL);
574 	pdata_quirks_check(pdata_quirks);
575 }
576