xref: /linux/arch/arm/mach-omap2/pdata-quirks.c (revision 2da68a77) 
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 #ifdef CONFIG_MACH_NOKIA_N8X0
47 static void __init omap2420_n8x0_legacy_init(void)
48 {
49 	omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
50 }
51 #else
52 #define omap2420_n8x0_legacy_init	NULL
53 #endif
54 
55 #ifdef CONFIG_ARCH_OMAP3
56 /*
57  * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
58  * mode for MMC1 in case bootloader did not configure things.
59  * Note that if the pins are used for MMC1, pbias-regulator
60  * manages the IO voltage.
61  */
62 static void __init omap3_gpio126_127_129(void)
63 {
64 	u32 reg;
65 
66 	reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
67 	reg &= ~OMAP343X_PBIASLITEVMODE1;
68 	reg |= OMAP343X_PBIASLITEPWRDNZ1;
69 	omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
70 	if (cpu_is_omap3630()) {
71 		reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
72 		reg |= OMAP36XX_GPIO_IO_PWRDNZ;
73 		omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
74 	}
75 }
76 
77 static void __init hsmmc2_internal_input_clk(void)
78 {
79 	u32 reg;
80 
81 	reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
82 	reg |= OMAP2_MMCSDIO2ADPCLKISEL;
83 	omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
84 }
85 
86 #ifdef CONFIG_OMAP_HWMOD
87 static struct iommu_platform_data omap3_iommu_pdata = {
88 	.reset_name = "mmu",
89 	.assert_reset = omap_device_assert_hardreset,
90 	.deassert_reset = omap_device_deassert_hardreset,
91 	.device_enable = omap_device_enable,
92 	.device_idle = omap_device_idle,
93 };
94 
95 static struct iommu_platform_data omap3_iommu_isp_pdata = {
96 	.device_enable = omap_device_enable,
97 	.device_idle = omap_device_idle,
98 };
99 #endif
100 
101 static int omap3_sbc_t3730_twl_callback(struct device *dev,
102 					   unsigned gpio,
103 					   unsigned ngpio)
104 {
105 	int res;
106 
107 	res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
108 			       "wlan pwr");
109 	if (res)
110 		return res;
111 
112 	gpio_export(gpio, 0);
113 
114 	return 0;
115 }
116 
117 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
118 {
119 	int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
120 
121 	if (err) {
122 		pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
123 			hub_name, err);
124 		return;
125 	}
126 
127 	gpio_export(gpio, 0);
128 
129 	udelay(10);
130 	gpio_set_value(gpio, 1);
131 	msleep(1);
132 }
133 
134 static void __init omap3_sbc_t3730_twl_init(void)
135 {
136 	twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
137 }
138 
139 static void __init omap3_sbc_t3730_legacy_init(void)
140 {
141 	omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
142 }
143 
144 static void __init omap3_sbc_t3530_legacy_init(void)
145 {
146 	omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
147 }
148 
149 static void __init omap3_evm_legacy_init(void)
150 {
151 	hsmmc2_internal_input_clk();
152 }
153 
154 static void am35xx_enable_emac_int(void)
155 {
156 	u32 v;
157 
158 	v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
159 	v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
160 	      AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
161 	omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
162 	omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
163 }
164 
165 static void am35xx_disable_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 	omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
172 	omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
173 }
174 
175 static struct emac_platform_data am35xx_emac_pdata = {
176 	.interrupt_enable	= am35xx_enable_emac_int,
177 	.interrupt_disable	= am35xx_disable_emac_int,
178 };
179 
180 static void __init am35xx_emac_reset(void)
181 {
182 	u32 v;
183 
184 	v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
185 	v &= ~AM35XX_CPGMACSS_SW_RST;
186 	omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
187 	omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
188 }
189 
190 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
191 	{ 56,	GPIOF_OUT_INIT_HIGH,	"wlan pwr" },
192 	{ 4,	GPIOF_OUT_INIT_HIGH,	"xcvr noe" },
193 };
194 
195 static void __init omap3_sbc_t3517_wifi_init(void)
196 {
197 	int err = gpio_request_array(cm_t3517_wlan_gpios,
198 				ARRAY_SIZE(cm_t3517_wlan_gpios));
199 	if (err) {
200 		pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
201 		return;
202 	}
203 
204 	gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
205 	gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
206 
207 	msleep(100);
208 	gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
209 }
210 
211 static void __init omap3_sbc_t3517_legacy_init(void)
212 {
213 	omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
214 	omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
215 	am35xx_emac_reset();
216 	hsmmc2_internal_input_clk();
217 	omap3_sbc_t3517_wifi_init();
218 }
219 
220 static void __init am3517_evm_legacy_init(void)
221 {
222 	am35xx_emac_reset();
223 }
224 
225 static void __init nokia_n900_legacy_init(void)
226 {
227 	hsmmc2_internal_input_clk();
228 	mmc_pdata[0].name = "external";
229 	mmc_pdata[1].name = "internal";
230 
231 	if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
232 		if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
233 			pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
234 			/* set IBE to 1 */
235 			rx51_secure_update_aux_cr(BIT(6), 0);
236 		} else {
237 			pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
238 			pr_warn("Thumb binaries may crash randomly without this workaround\n");
239 		}
240 	}
241 }
242 
243 static void __init omap3_tao3530_legacy_init(void)
244 {
245 	hsmmc2_internal_input_clk();
246 }
247 
248 static void __init omap3_logicpd_torpedo_init(void)
249 {
250 	omap3_gpio126_127_129();
251 }
252 
253 /* omap3pandora legacy devices */
254 
255 static struct platform_device pandora_backlight = {
256 	.name	= "pandora-backlight",
257 	.id	= -1,
258 };
259 
260 static void __init omap3_pandora_legacy_init(void)
261 {
262 	platform_device_register(&pandora_backlight);
263 }
264 #endif /* CONFIG_ARCH_OMAP3 */
265 
266 #ifdef CONFIG_SOC_DRA7XX
267 static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = {
268 	.set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint,
269 };
270 #endif
271 
272 static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk)
273 {
274 	struct clk_hw *hw = __clk_get_hw(clk);
275 	struct clockdomain *clkdm = NULL;
276 	struct clk_hw_omap *hwclk;
277 
278 	hwclk = to_clk_hw_omap(hw);
279 	if (!omap2_clk_is_hw_omap(hw))
280 		return NULL;
281 
282 	if (hwclk && hwclk->clkdm_name)
283 		clkdm = clkdm_lookup(hwclk->clkdm_name);
284 
285 	return clkdm;
286 }
287 
288 /**
289  * ti_sysc_clkdm_init - find clockdomain based on clock
290  * @fck: device functional clock
291  * @ick: device interface clock
292  * @dev: struct device
293  *
294  * Populate clockdomain based on clock. It is needed for
295  * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
296  * clockdomain idle during reset, enable and idle.
297  *
298  * Note that we assume interconnect driver manages the clocks
299  * and do not need to populate oh->_clk for dynamically
300  * allocated modules.
301  */
302 static int ti_sysc_clkdm_init(struct device *dev,
303 			      struct clk *fck, struct clk *ick,
304 			      struct ti_sysc_cookie *cookie)
305 {
306 	if (!IS_ERR(fck))
307 		cookie->clkdm = ti_sysc_find_one_clockdomain(fck);
308 	if (cookie->clkdm)
309 		return 0;
310 	if (!IS_ERR(ick))
311 		cookie->clkdm = ti_sysc_find_one_clockdomain(ick);
312 	if (cookie->clkdm)
313 		return 0;
314 
315 	return -ENODEV;
316 }
317 
318 static void ti_sysc_clkdm_deny_idle(struct device *dev,
319 				    const struct ti_sysc_cookie *cookie)
320 {
321 	if (cookie->clkdm)
322 		clkdm_deny_idle(cookie->clkdm);
323 }
324 
325 static void ti_sysc_clkdm_allow_idle(struct device *dev,
326 				     const struct ti_sysc_cookie *cookie)
327 {
328 	if (cookie->clkdm)
329 		clkdm_allow_idle(cookie->clkdm);
330 }
331 
332 #ifdef CONFIG_OMAP_HWMOD
333 static int ti_sysc_enable_module(struct device *dev,
334 				 const struct ti_sysc_cookie *cookie)
335 {
336 	if (!cookie->data)
337 		return -EINVAL;
338 
339 	return omap_hwmod_enable(cookie->data);
340 }
341 
342 static int ti_sysc_idle_module(struct device *dev,
343 			       const struct ti_sysc_cookie *cookie)
344 {
345 	if (!cookie->data)
346 		return -EINVAL;
347 
348 	return omap_hwmod_idle(cookie->data);
349 }
350 
351 static int ti_sysc_shutdown_module(struct device *dev,
352 				   const struct ti_sysc_cookie *cookie)
353 {
354 	if (!cookie->data)
355 		return -EINVAL;
356 
357 	return omap_hwmod_shutdown(cookie->data);
358 }
359 #endif	/* CONFIG_OMAP_HWMOD */
360 
361 static bool ti_sysc_soc_type_gp(void)
362 {
363 	return omap_type() == OMAP2_DEVICE_TYPE_GP;
364 }
365 
366 static struct of_dev_auxdata omap_auxdata_lookup[];
367 
368 static struct ti_sysc_platform_data ti_sysc_pdata = {
369 	.auxdata = omap_auxdata_lookup,
370 	.soc_type_gp = ti_sysc_soc_type_gp,
371 	.init_clockdomain = ti_sysc_clkdm_init,
372 	.clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
373 	.clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
374 #ifdef CONFIG_OMAP_HWMOD
375 	.init_module = omap_hwmod_init_module,
376 	.enable_module = ti_sysc_enable_module,
377 	.idle_module = ti_sysc_idle_module,
378 	.shutdown_module = ti_sysc_shutdown_module,
379 #endif
380 };
381 
382 static struct pcs_pdata pcs_pdata;
383 
384 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
385 {
386 	pcs_pdata.irq = irq;
387 	pcs_pdata.rearm = rearm;
388 }
389 
390 static struct ti_prm_platform_data ti_prm_pdata = {
391 	.clkdm_deny_idle = clkdm_deny_idle,
392 	.clkdm_allow_idle = clkdm_allow_idle,
393 	.clkdm_lookup = clkdm_lookup,
394 };
395 
396 /*
397  * GPIOs for TWL are initialized by the I2C bus and need custom
398  * handing until DSS has device tree bindings.
399  */
400 void omap_auxdata_legacy_init(struct device *dev)
401 {
402 	if (dev->platform_data)
403 		return;
404 
405 	if (strcmp("twl4030-gpio", dev_name(dev)))
406 		return;
407 
408 	dev->platform_data = &twl_gpio_auxdata;
409 }
410 
411 #if defined(CONFIG_ARCH_OMAP3) && IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
412 static struct omap_mcbsp_platform_data mcbsp_pdata;
413 static void __init omap3_mcbsp_init(void)
414 {
415 	omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
416 }
417 #else
418 static void __init omap3_mcbsp_init(void) {}
419 #endif
420 
421 /*
422  * Few boards still need auxdata populated before we populate
423  * the dev entries in of_platform_populate().
424  */
425 static struct pdata_init auxdata_quirks[] __initdata = {
426 #ifdef CONFIG_SOC_OMAP2420
427 	{ "nokia,n800", omap2420_n8x0_legacy_init, },
428 	{ "nokia,n810", omap2420_n8x0_legacy_init, },
429 	{ "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
430 #endif
431 #ifdef CONFIG_ARCH_OMAP3
432 	{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
433 #endif
434 	{ /* sentinel */ },
435 };
436 
437 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
438 
439 static struct of_dev_auxdata omap_auxdata_lookup[] = {
440 #ifdef CONFIG_MACH_NOKIA_N8X0
441 	OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
442 	OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
443 	OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
444 #endif
445 #ifdef CONFIG_ARCH_OMAP3
446 	OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
447 		       &omap3_iommu_pdata),
448 	OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
449 		       &omap3_iommu_isp_pdata),
450 	OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
451 		       "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
452 	OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
453 		       "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
454 	OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
455 	OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
456 	/* Only on am3517 */
457 	OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
458 	OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
459 		       &am35xx_emac_pdata),
460 	OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
461 	/* McBSP modules with sidetone core */
462 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
463 	OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
464 	OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
465 #endif
466 #endif
467 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
468 	OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
469 		       "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
470 	OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
471 		       "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
472 	OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
473 		       "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
474 #endif
475 #ifdef CONFIG_SOC_DRA7XX
476 	OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
477 		       &dra7_ipu1_dsp_iommu_pdata),
478 	OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
479 		       &dra7_ipu1_dsp_iommu_pdata),
480 	OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
481 		       &dra7_ipu1_dsp_iommu_pdata),
482 #endif
483 	/* Common auxdata */
484 	OF_DEV_AUXDATA("simple-pm-bus", 0, NULL, omap_auxdata_lookup),
485 	OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
486 	OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
487 	OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata),
488 	OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info),
489 	{ /* sentinel */ },
490 };
491 
492 /*
493  * Few boards still need to initialize some legacy devices with
494  * platform data until the drivers support device tree.
495  */
496 static struct pdata_init pdata_quirks[] __initdata = {
497 #ifdef CONFIG_ARCH_OMAP3
498 	{ "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
499 	{ "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
500 	{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
501 	{ "nokia,omap3-n900", nokia_n900_legacy_init, },
502 	{ "nokia,omap3-n9", hsmmc2_internal_input_clk, },
503 	{ "nokia,omap3-n950", hsmmc2_internal_input_clk, },
504 	{ "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
505 	{ "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
506 	{ "ti,am3517-evm", am3517_evm_legacy_init, },
507 	{ "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
508 	{ "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
509 	{ "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
510 #endif
511 	{ /* sentinel */ },
512 };
513 
514 static void pdata_quirks_check(struct pdata_init *quirks)
515 {
516 	while (quirks->compatible) {
517 		if (of_machine_is_compatible(quirks->compatible)) {
518 			if (quirks->fn)
519 				quirks->fn();
520 		}
521 		quirks++;
522 	}
523 }
524 
525 static const char * const pdata_quirks_init_nodes[] = {
526 	"prcm",
527 	"prm",
528 };
529 
530 static void __init
531 pdata_quirks_init_clocks(const struct of_device_id *omap_dt_match_table)
532 {
533 	struct device_node *np;
534 	int i;
535 
536 	for (i = 0; i < ARRAY_SIZE(pdata_quirks_init_nodes); i++) {
537 		np = of_find_node_by_name(NULL, pdata_quirks_init_nodes[i]);
538 		if (!np)
539 			continue;
540 
541 		of_platform_populate(np, omap_dt_match_table,
542 				     omap_auxdata_lookup, NULL);
543 
544 		of_node_put(np);
545 	}
546 }
547 
548 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
549 {
550 	/*
551 	 * We still need this for omap2420 and omap3 PM to work, others are
552 	 * using drivers/misc/sram.c already.
553 	 */
554 	if (of_machine_is_compatible("ti,omap2420") ||
555 	    of_machine_is_compatible("ti,omap3"))
556 		omap_sdrc_init(NULL, NULL);
557 
558 	if (of_machine_is_compatible("ti,omap3"))
559 		omap3_mcbsp_init();
560 	pdata_quirks_check(auxdata_quirks);
561 
562 	pdata_quirks_init_clocks(omap_dt_match_table);
563 
564 	of_platform_populate(NULL, omap_dt_match_table,
565 			     omap_auxdata_lookup, NULL);
566 	pdata_quirks_check(pdata_quirks);
567 }
568