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_DRA7XX
278 static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = {
279 .set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint,
280 };
281 #endif
282
ti_sysc_find_one_clockdomain(struct clk * clk)283 static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk)
284 {
285 struct clk_hw *hw = __clk_get_hw(clk);
286 struct clockdomain *clkdm = NULL;
287 struct clk_hw_omap *hwclk;
288
289 hwclk = to_clk_hw_omap(hw);
290 if (!omap2_clk_is_hw_omap(hw))
291 return NULL;
292
293 if (hwclk && hwclk->clkdm_name)
294 clkdm = clkdm_lookup(hwclk->clkdm_name);
295
296 return clkdm;
297 }
298
299 /**
300 * ti_sysc_clkdm_init - find clockdomain based on clock
301 * @fck: device functional clock
302 * @ick: device interface clock
303 * @dev: struct device
304 *
305 * Populate clockdomain based on clock. It is needed for
306 * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
307 * clockdomain idle during reset, enable and idle.
308 *
309 * Note that we assume interconnect driver manages the clocks
310 * and do not need to populate oh->_clk for dynamically
311 * allocated modules.
312 */
ti_sysc_clkdm_init(struct device * dev,struct clk * fck,struct clk * ick,struct ti_sysc_cookie * cookie)313 static int ti_sysc_clkdm_init(struct device *dev,
314 struct clk *fck, struct clk *ick,
315 struct ti_sysc_cookie *cookie)
316 {
317 if (!IS_ERR(fck))
318 cookie->clkdm = ti_sysc_find_one_clockdomain(fck);
319 if (cookie->clkdm)
320 return 0;
321 if (!IS_ERR(ick))
322 cookie->clkdm = ti_sysc_find_one_clockdomain(ick);
323 if (cookie->clkdm)
324 return 0;
325
326 return -ENODEV;
327 }
328
ti_sysc_clkdm_deny_idle(struct device * dev,const struct ti_sysc_cookie * cookie)329 static void ti_sysc_clkdm_deny_idle(struct device *dev,
330 const struct ti_sysc_cookie *cookie)
331 {
332 if (cookie->clkdm)
333 clkdm_deny_idle(cookie->clkdm);
334 }
335
ti_sysc_clkdm_allow_idle(struct device * dev,const struct ti_sysc_cookie * cookie)336 static void ti_sysc_clkdm_allow_idle(struct device *dev,
337 const struct ti_sysc_cookie *cookie)
338 {
339 if (cookie->clkdm)
340 clkdm_allow_idle(cookie->clkdm);
341 }
342
343 #ifdef CONFIG_OMAP_HWMOD
ti_sysc_enable_module(struct device * dev,const struct ti_sysc_cookie * cookie)344 static int ti_sysc_enable_module(struct device *dev,
345 const struct ti_sysc_cookie *cookie)
346 {
347 if (!cookie->data)
348 return -EINVAL;
349
350 return omap_hwmod_enable(cookie->data);
351 }
352
ti_sysc_idle_module(struct device * dev,const struct ti_sysc_cookie * cookie)353 static int ti_sysc_idle_module(struct device *dev,
354 const struct ti_sysc_cookie *cookie)
355 {
356 if (!cookie->data)
357 return -EINVAL;
358
359 return omap_hwmod_idle(cookie->data);
360 }
361
ti_sysc_shutdown_module(struct device * dev,const struct ti_sysc_cookie * cookie)362 static int ti_sysc_shutdown_module(struct device *dev,
363 const struct ti_sysc_cookie *cookie)
364 {
365 if (!cookie->data)
366 return -EINVAL;
367
368 return omap_hwmod_shutdown(cookie->data);
369 }
370 #endif /* CONFIG_OMAP_HWMOD */
371
ti_sysc_soc_type_gp(void)372 static bool ti_sysc_soc_type_gp(void)
373 {
374 return omap_type() == OMAP2_DEVICE_TYPE_GP;
375 }
376
377 static struct of_dev_auxdata omap_auxdata_lookup[];
378
379 static struct ti_sysc_platform_data ti_sysc_pdata = {
380 .auxdata = omap_auxdata_lookup,
381 .soc_type_gp = ti_sysc_soc_type_gp,
382 .init_clockdomain = ti_sysc_clkdm_init,
383 .clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
384 .clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
385 #ifdef CONFIG_OMAP_HWMOD
386 .init_module = omap_hwmod_init_module,
387 .enable_module = ti_sysc_enable_module,
388 .idle_module = ti_sysc_idle_module,
389 .shutdown_module = ti_sysc_shutdown_module,
390 #endif
391 };
392
393 static struct pcs_pdata pcs_pdata;
394
omap_pcs_legacy_init(int irq,void (* rearm)(void))395 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
396 {
397 pcs_pdata.irq = irq;
398 pcs_pdata.rearm = rearm;
399 }
400
401 static struct ti_prm_platform_data ti_prm_pdata = {
402 .clkdm_deny_idle = clkdm_deny_idle,
403 .clkdm_allow_idle = clkdm_allow_idle,
404 .clkdm_lookup = clkdm_lookup,
405 };
406
407 /*
408 * GPIOs for TWL are initialized by the I2C bus and need custom
409 * handing until DSS has device tree bindings.
410 */
omap_auxdata_legacy_init(struct device * dev)411 void omap_auxdata_legacy_init(struct device *dev)
412 {
413 if (dev->platform_data)
414 return;
415
416 if (strcmp("twl4030-gpio", dev_name(dev)))
417 return;
418
419 dev->platform_data = &twl_gpio_auxdata;
420 }
421
422 #if defined(CONFIG_ARCH_OMAP3) && IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
423 static struct omap_mcbsp_platform_data mcbsp_pdata;
omap3_mcbsp_init(void)424 static void __init omap3_mcbsp_init(void)
425 {
426 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
427 }
428 #else
omap3_mcbsp_init(void)429 static void __init omap3_mcbsp_init(void) {}
430 #endif
431
432 /*
433 * Few boards still need auxdata populated before we populate
434 * the dev entries in of_platform_populate().
435 */
436 static struct pdata_init auxdata_quirks[] __initdata = {
437 #ifdef CONFIG_SOC_OMAP2420
438 { "nokia,n800", omap2420_n8x0_legacy_init, },
439 { "nokia,n810", omap2420_n8x0_legacy_init, },
440 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
441 #endif
442 #ifdef CONFIG_ARCH_OMAP3
443 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
444 #endif
445 { /* sentinel */ },
446 };
447
448 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
449
450 static struct of_dev_auxdata omap_auxdata_lookup[] = {
451 #ifdef CONFIG_MACH_NOKIA_N8X0
452 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
453 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
454 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
455 #endif
456 #ifdef CONFIG_ARCH_OMAP3
457 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
458 &omap3_iommu_pdata),
459 OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
460 &omap3_iommu_isp_pdata),
461 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
462 "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
463 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
464 "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
465 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
466 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
467 /* Only on am3517 */
468 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
469 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
470 &am35xx_emac_pdata),
471 OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
472 /* McBSP modules with sidetone core */
473 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
474 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
475 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
476 #endif
477 #endif
478 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
479 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
480 "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
481 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
482 "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
483 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
484 "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
485 #endif
486 #ifdef CONFIG_SOC_DRA7XX
487 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
488 &dra7_ipu1_dsp_iommu_pdata),
489 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
490 &dra7_ipu1_dsp_iommu_pdata),
491 OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
492 &dra7_ipu1_dsp_iommu_pdata),
493 #endif
494 /* Common auxdata */
495 OF_DEV_AUXDATA("simple-pm-bus", 0, NULL, omap_auxdata_lookup),
496 OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
497 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
498 OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata),
499 OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info),
500 { /* sentinel */ },
501 };
502
503 /*
504 * Few boards still need to initialize some legacy devices with
505 * platform data until the drivers support device tree.
506 */
507 static struct pdata_init pdata_quirks[] __initdata = {
508 #ifdef CONFIG_ARCH_OMAP3
509 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
510 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
511 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
512 { "nokia,omap3-n900", nokia_n900_legacy_init, },
513 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
514 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
515 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
516 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
517 { "ti,am3517-evm", am3517_evm_legacy_init, },
518 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
519 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
520 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
521 #endif
522 { /* sentinel */ },
523 };
524
pdata_quirks_check(struct pdata_init * quirks)525 static void pdata_quirks_check(struct pdata_init *quirks)
526 {
527 while (quirks->compatible) {
528 if (of_machine_is_compatible(quirks->compatible)) {
529 if (quirks->fn)
530 quirks->fn();
531 }
532 quirks++;
533 }
534 }
535
536 static const char * const pdata_quirks_init_nodes[] = {
537 "prcm",
538 "prm",
539 };
540
541 static void __init
pdata_quirks_init_clocks(const struct of_device_id * omap_dt_match_table)542 pdata_quirks_init_clocks(const struct of_device_id *omap_dt_match_table)
543 {
544 struct device_node *np;
545 int i;
546
547 for (i = 0; i < ARRAY_SIZE(pdata_quirks_init_nodes); i++) {
548 np = of_find_node_by_name(NULL, pdata_quirks_init_nodes[i]);
549 if (!np)
550 continue;
551
552 of_platform_populate(np, omap_dt_match_table,
553 omap_auxdata_lookup, NULL);
554 }
555 }
556
pdata_quirks_init(const struct of_device_id * omap_dt_match_table)557 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
558 {
559 /*
560 * We still need this for omap2420 and omap3 PM to work, others are
561 * using drivers/misc/sram.c already.
562 */
563 if (of_machine_is_compatible("ti,omap2420") ||
564 of_machine_is_compatible("ti,omap3"))
565 omap_sdrc_init(NULL, NULL);
566
567 if (of_machine_is_compatible("ti,omap3"))
568 omap3_mcbsp_init();
569 pdata_quirks_check(auxdata_quirks);
570
571 pdata_quirks_init_clocks(omap_dt_match_table);
572
573 of_platform_populate(NULL, omap_dt_match_table,
574 omap_auxdata_lookup, NULL);
575 pdata_quirks_check(pdata_quirks);
576 }
577