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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>
11#include <linux/davinci_emac.h>
12#include <linux/gpio.h>
13#include <linux/init.h>
14#include <linux/kernel.h>
15#include <linux/of_platform.h>
16#include <linux/ti_wilink_st.h>
17#include <linux/wl12xx.h>
18#include <linux/mmc/card.h>
19#include <linux/mmc/host.h>
20#include <linux/regulator/machine.h>
21#include <linux/regulator/fixed.h>
22
23#include <linux/platform_data/pinctrl-single.h>
24#include <linux/platform_data/hsmmc-omap.h>
25#include <linux/platform_data/iommu-omap.h>
26#include <linux/platform_data/wkup_m3.h>
27#include <linux/platform_data/pwm_omap_dmtimer.h>
28#include <linux/platform_data/media/ir-rx51.h>
29#include <linux/platform_data/asoc-ti-mcbsp.h>
30#include <plat/dmtimer.h>
31
32#include "common.h"
33#include "common-board-devices.h"
34#include "control.h"
35#include "omap_device.h"
36#include "omap-pm.h"
37#include "omap-secure.h"
38#include "soc.h"
39#include "hsmmc.h"
40
41static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
42
43struct pdata_init {
44 const char *compatible;
45 void (*fn)(void);
46};
47
48static struct of_dev_auxdata omap_auxdata_lookup[];
49static struct twl4030_gpio_platform_data twl_gpio_auxdata;
50
51#ifdef CONFIG_MACH_NOKIA_N8X0
52static void __init omap2420_n8x0_legacy_init(void)
53{
54 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
55}
56#else
57#define omap2420_n8x0_legacy_init NULL
58#endif
59
60#ifdef CONFIG_ARCH_OMAP3
61/*
62 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
63 * mode for MMC1 in case bootloader did not configure things.
64 * Note that if the pins are used for MMC1, pbias-regulator
65 * manages the IO voltage.
66 */
67static void __init omap3_gpio126_127_129(void)
68{
69 u32 reg;
70
71 reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
72 reg &= ~OMAP343X_PBIASLITEVMODE1;
73 reg |= OMAP343X_PBIASLITEPWRDNZ1;
74 omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
75 if (cpu_is_omap3630()) {
76 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
77 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
78 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
79 }
80}
81
82static void __init hsmmc2_internal_input_clk(void)
83{
84 u32 reg;
85
86 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
87 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
88 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
89}
90
91static struct iommu_platform_data omap3_iommu_pdata = {
92 .reset_name = "mmu",
93 .assert_reset = omap_device_assert_hardreset,
94 .deassert_reset = omap_device_deassert_hardreset,
95};
96
97static int omap3_sbc_t3730_twl_callback(struct device *dev,
98 unsigned gpio,
99 unsigned ngpio)
100{
101 int res;
102
103 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
104 "wlan pwr");
105 if (res)
106 return res;
107
108 gpio_export(gpio, 0);
109
110 return 0;
111}
112
113static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
114{
115 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
116
117 if (err) {
118 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
119 hub_name, err);
120 return;
121 }
122
123 gpio_export(gpio, 0);
124
125 udelay(10);
126 gpio_set_value(gpio, 1);
127 msleep(1);
128}
129
130static void __init omap3_sbc_t3730_twl_init(void)
131{
132 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
133}
134
135static void __init omap3_sbc_t3730_legacy_init(void)
136{
137 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
138}
139
140static void __init omap3_sbc_t3530_legacy_init(void)
141{
142 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
143}
144
145static struct ti_st_plat_data wilink_pdata = {
146 .nshutdown_gpio = 137,
147 .dev_name = "/dev/ttyO1",
148 .flow_cntrl = 1,
149 .baud_rate = 300000,
150};
151
152static struct platform_device wl18xx_device = {
153 .name = "kim",
154 .id = -1,
155 .dev = {
156 .platform_data = &wilink_pdata,
157 }
158};
159
160static struct ti_st_plat_data wilink7_pdata = {
161 .nshutdown_gpio = 162,
162 .dev_name = "/dev/ttyO1",
163 .flow_cntrl = 1,
164 .baud_rate = 3000000,
165};
166
167static struct platform_device wl128x_device = {
168 .name = "kim",
169 .id = -1,
170 .dev = {
171 .platform_data = &wilink7_pdata,
172 }
173};
174
175static struct platform_device btwilink_device = {
176 .name = "btwilink",
177 .id = -1,
178};
179
180static void __init omap3_igep0020_rev_f_legacy_init(void)
181{
182 platform_device_register(&wl18xx_device);
183 platform_device_register(&btwilink_device);
184}
185
186static void __init omap3_igep0030_rev_g_legacy_init(void)
187{
188 platform_device_register(&wl18xx_device);
189 platform_device_register(&btwilink_device);
190}
191
192static void __init omap3_evm_legacy_init(void)
193{
194 hsmmc2_internal_input_clk();
195}
196
197static void am35xx_enable_emac_int(void)
198{
199 u32 v;
200
201 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
202 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
203 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
204 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
205 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
206}
207
208static void am35xx_disable_emac_int(void)
209{
210 u32 v;
211
212 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
213 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
214 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
215 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
216}
217
218static struct emac_platform_data am35xx_emac_pdata = {
219 .interrupt_enable = am35xx_enable_emac_int,
220 .interrupt_disable = am35xx_disable_emac_int,
221};
222
223static void __init am35xx_emac_reset(void)
224{
225 u32 v;
226
227 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
228 v &= ~AM35XX_CPGMACSS_SW_RST;
229 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
230 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
231}
232
233static struct gpio cm_t3517_wlan_gpios[] __initdata = {
234 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
235 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
236};
237
238static void __init omap3_sbc_t3517_wifi_init(void)
239{
240 int err = gpio_request_array(cm_t3517_wlan_gpios,
241 ARRAY_SIZE(cm_t3517_wlan_gpios));
242 if (err) {
243 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
244 return;
245 }
246
247 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
248 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
249
250 msleep(100);
251 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
252}
253
254static void __init omap3_sbc_t3517_legacy_init(void)
255{
256 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
257 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
258 am35xx_emac_reset();
259 hsmmc2_internal_input_clk();
260 omap3_sbc_t3517_wifi_init();
261}
262
263static void __init am3517_evm_legacy_init(void)
264{
265 am35xx_emac_reset();
266}
267
268static struct platform_device omap3_rom_rng_device = {
269 .name = "omap3-rom-rng",
270 .id = -1,
271 .dev = {
272 .platform_data = rx51_secure_rng_call,
273 },
274};
275
276static void __init nokia_n900_legacy_init(void)
277{
278 hsmmc2_internal_input_clk();
279 mmc_pdata[0].name = "external";
280 mmc_pdata[1].name = "internal";
281
282 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
283 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
284 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
285 /* set IBE to 1 */
286 rx51_secure_update_aux_cr(BIT(6), 0);
287 } else {
288 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
289 pr_warn("Thumb binaries may crash randomly without this workaround\n");
290 }
291
292 pr_info("RX-51: Registering OMAP3 HWRNG device\n");
293 platform_device_register(&omap3_rom_rng_device);
294 }
295}
296
297static void __init omap3_tao3530_legacy_init(void)
298{
299 hsmmc2_internal_input_clk();
300}
301
302static void __init omap3_logicpd_torpedo_init(void)
303{
304 omap3_gpio126_127_129();
305 platform_device_register(&wl128x_device);
306 platform_device_register(&btwilink_device);
307}
308
309/* omap3pandora legacy devices */
310#define PANDORA_WIFI_IRQ_GPIO 21
311#define PANDORA_WIFI_NRESET_GPIO 23
312
313static struct platform_device pandora_backlight = {
314 .name = "pandora-backlight",
315 .id = -1,
316};
317
318static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
319 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
320};
321
322static struct regulator_init_data pandora_vmmc3 = {
323 .constraints = {
324 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
325 },
326 .num_consumer_supplies = ARRAY_SIZE(pandora_vmmc3_supply),
327 .consumer_supplies = pandora_vmmc3_supply,
328};
329
330static struct fixed_voltage_config pandora_vwlan = {
331 .supply_name = "vwlan",
332 .microvolts = 1800000, /* 1.8V */
333 .gpio = PANDORA_WIFI_NRESET_GPIO,
334 .startup_delay = 50000, /* 50ms */
335 .enable_high = 1,
336 .init_data = &pandora_vmmc3,
337};
338
339static struct platform_device pandora_vwlan_device = {
340 .name = "reg-fixed-voltage",
341 .id = 1,
342 .dev = {
343 .platform_data = &pandora_vwlan,
344 },
345};
346
347static void pandora_wl1251_init_card(struct mmc_card *card)
348{
349 /*
350 * We have TI wl1251 attached to MMC3. Pass this information to
351 * SDIO core because it can't be probed by normal methods.
352 */
353 if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) {
354 card->quirks |= MMC_QUIRK_NONSTD_SDIO;
355 card->cccr.wide_bus = 1;
356 card->cis.vendor = 0x104c;
357 card->cis.device = 0x9066;
358 card->cis.blksize = 512;
359 card->cis.max_dtr = 24000000;
360 card->ocr = 0x80;
361 }
362}
363
364static struct omap2_hsmmc_info pandora_mmc3[] = {
365 {
366 .mmc = 3,
367 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
368 .gpio_cd = -EINVAL,
369 .gpio_wp = -EINVAL,
370 .init_card = pandora_wl1251_init_card,
371 },
372 {} /* Terminator */
373};
374
375static void __init pandora_wl1251_init(void)
376{
377 struct wl1251_platform_data pandora_wl1251_pdata;
378 int ret;
379
380 memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
381
382 pandora_wl1251_pdata.power_gpio = -1;
383
384 ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
385 if (ret < 0)
386 goto fail;
387
388 pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
389 if (pandora_wl1251_pdata.irq < 0)
390 goto fail_irq;
391
392 pandora_wl1251_pdata.use_eeprom = true;
393 ret = wl1251_set_platform_data(&pandora_wl1251_pdata);
394 if (ret < 0)
395 goto fail_irq;
396
397 return;
398
399fail_irq:
400 gpio_free(PANDORA_WIFI_IRQ_GPIO);
401fail:
402 pr_err("wl1251 board initialisation failed\n");
403}
404
405static void __init omap3_pandora_legacy_init(void)
406{
407 platform_device_register(&pandora_backlight);
408 platform_device_register(&pandora_vwlan_device);
409 omap_hsmmc_init(pandora_mmc3);
410 omap_hsmmc_late_init(pandora_mmc3);
411 pandora_wl1251_init();
412}
413#endif /* CONFIG_ARCH_OMAP3 */
414
415#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
416static struct iommu_platform_data omap4_iommu_pdata = {
417 .reset_name = "mmu_cache",
418 .assert_reset = omap_device_assert_hardreset,
419 .deassert_reset = omap_device_deassert_hardreset,
420};
421#endif
422
423#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
424static struct wkup_m3_platform_data wkup_m3_data = {
425 .reset_name = "wkup_m3",
426 .assert_reset = omap_device_assert_hardreset,
427 .deassert_reset = omap_device_deassert_hardreset,
428};
429#endif
430
431#ifdef CONFIG_SOC_OMAP5
432static void __init omap5_uevm_legacy_init(void)
433{
434}
435#endif
436
437static struct pcs_pdata pcs_pdata;
438
439void omap_pcs_legacy_init(int irq, void (*rearm)(void))
440{
441 pcs_pdata.irq = irq;
442 pcs_pdata.rearm = rearm;
443}
444
445/*
446 * GPIOs for TWL are initialized by the I2C bus and need custom
447 * handing until DSS has device tree bindings.
448 */
449void omap_auxdata_legacy_init(struct device *dev)
450{
451 if (dev->platform_data)
452 return;
453
454 if (strcmp("twl4030-gpio", dev_name(dev)))
455 return;
456
457 dev->platform_data = &twl_gpio_auxdata;
458}
459
460/* Dual mode timer PWM callbacks platdata */
461#if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
462static struct pwm_omap_dmtimer_pdata pwm_dmtimer_pdata = {
463 .request_by_node = omap_dm_timer_request_by_node,
464 .request_specific = omap_dm_timer_request_specific,
465 .request = omap_dm_timer_request,
466 .set_source = omap_dm_timer_set_source,
467 .get_irq = omap_dm_timer_get_irq,
468 .set_int_enable = omap_dm_timer_set_int_enable,
469 .set_int_disable = omap_dm_timer_set_int_disable,
470 .free = omap_dm_timer_free,
471 .enable = omap_dm_timer_enable,
472 .disable = omap_dm_timer_disable,
473 .get_fclk = omap_dm_timer_get_fclk,
474 .start = omap_dm_timer_start,
475 .stop = omap_dm_timer_stop,
476 .set_load = omap_dm_timer_set_load,
477 .set_match = omap_dm_timer_set_match,
478 .set_pwm = omap_dm_timer_set_pwm,
479 .set_prescaler = omap_dm_timer_set_prescaler,
480 .read_counter = omap_dm_timer_read_counter,
481 .write_counter = omap_dm_timer_write_counter,
482 .read_status = omap_dm_timer_read_status,
483 .write_status = omap_dm_timer_write_status,
484};
485#endif
486
487static struct lirc_rx51_platform_data __maybe_unused rx51_lirc_data = {
488 .set_max_mpu_wakeup_lat = omap_pm_set_max_mpu_wakeup_lat,
489};
490
491static struct platform_device __maybe_unused rx51_lirc_device = {
492 .name = "lirc_rx51",
493 .id = -1,
494 .dev = {
495 .platform_data = &rx51_lirc_data,
496 },
497};
498
499#if IS_ENABLED(CONFIG_SND_OMAP_SOC_MCBSP)
500static struct omap_mcbsp_platform_data mcbsp_pdata;
501static void __init omap3_mcbsp_init(void)
502{
503 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
504}
505#else
506static void __init omap3_mcbsp_init(void) {}
507#endif
508
509/*
510 * Few boards still need auxdata populated before we populate
511 * the dev entries in of_platform_populate().
512 */
513static struct pdata_init auxdata_quirks[] __initdata = {
514#ifdef CONFIG_SOC_OMAP2420
515 { "nokia,n800", omap2420_n8x0_legacy_init, },
516 { "nokia,n810", omap2420_n8x0_legacy_init, },
517 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
518#endif
519#ifdef CONFIG_ARCH_OMAP3
520 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
521#endif
522 { /* sentinel */ },
523};
524
525static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
526#ifdef CONFIG_MACH_NOKIA_N8X0
527 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
528 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
529 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
530#endif
531#ifdef CONFIG_ARCH_OMAP3
532 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
533 &omap3_iommu_pdata),
534 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
535 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
536 OF_DEV_AUXDATA("nokia,n900-ir", 0, "n900-ir", &rx51_lirc_data),
537 /* Only on am3517 */
538 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
539 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
540 &am35xx_emac_pdata),
541 /* McBSP modules with sidetone core */
542#if IS_ENABLED(CONFIG_SND_OMAP_SOC_MCBSP)
543 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
544 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
545#endif
546#endif
547#ifdef CONFIG_SOC_AM33XX
548 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
549 &wkup_m3_data),
550#endif
551#ifdef CONFIG_SOC_AM43XX
552 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
553 &wkup_m3_data),
554#endif
555#if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
556 OF_DEV_AUXDATA("ti,omap-dmtimer-pwm", 0, NULL, &pwm_dmtimer_pdata),
557#endif
558#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
559 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
560 &omap4_iommu_pdata),
561 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
562 &omap4_iommu_pdata),
563#endif
564 /* Common auxdata */
565 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
566 { /* sentinel */ },
567};
568
569/*
570 * Few boards still need to initialize some legacy devices with
571 * platform data until the drivers support device tree.
572 */
573static struct pdata_init pdata_quirks[] __initdata = {
574#ifdef CONFIG_ARCH_OMAP3
575 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
576 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
577 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
578 { "nokia,omap3-n900", nokia_n900_legacy_init, },
579 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
580 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
581 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
582 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
583 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
584 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
585 { "ti,am3517-evm", am3517_evm_legacy_init, },
586 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
587 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
588 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
589#endif
590#ifdef CONFIG_SOC_OMAP5
591 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
592#endif
593 { /* sentinel */ },
594};
595
596static void pdata_quirks_check(struct pdata_init *quirks)
597{
598 while (quirks->compatible) {
599 if (of_machine_is_compatible(quirks->compatible)) {
600 if (quirks->fn)
601 quirks->fn();
602 break;
603 }
604 quirks++;
605 }
606}
607
608void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
609{
610 /*
611 * We still need this for omap2420 and omap3 PM to work, others are
612 * using drivers/misc/sram.c already.
613 */
614 if (of_machine_is_compatible("ti,omap2420") ||
615 of_machine_is_compatible("ti,omap3"))
616 omap_sdrc_init(NULL, NULL);
617
618 if (of_machine_is_compatible("ti,omap3"))
619 omap3_mcbsp_init();
620 pdata_quirks_check(auxdata_quirks);
621 of_platform_populate(NULL, omap_dt_match_table,
622 omap_auxdata_lookup, NULL);
623 pdata_quirks_check(pdata_quirks);
624}
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>
11#include <linux/davinci_emac.h>
12#include <linux/gpio.h>
13#include <linux/init.h>
14#include <linux/kernel.h>
15#include <linux/of_platform.h>
16#include <linux/ti_wilink_st.h>
17#include <linux/wl12xx.h>
18#include <linux/mmc/card.h>
19#include <linux/mmc/host.h>
20#include <linux/regulator/machine.h>
21#include <linux/regulator/fixed.h>
22
23#include <linux/platform_data/pinctrl-single.h>
24#include <linux/platform_data/iommu-omap.h>
25#include <linux/platform_data/wkup_m3.h>
26#include <linux/platform_data/pwm_omap_dmtimer.h>
27#include <plat/dmtimer.h>
28
29#include "common.h"
30#include "common-board-devices.h"
31#include "dss-common.h"
32#include "control.h"
33#include "omap_device.h"
34#include "omap-secure.h"
35#include "soc.h"
36#include "hsmmc.h"
37
38struct pdata_init {
39 const char *compatible;
40 void (*fn)(void);
41};
42
43static struct of_dev_auxdata omap_auxdata_lookup[];
44static struct twl4030_gpio_platform_data twl_gpio_auxdata;
45
46#ifdef CONFIG_MACH_NOKIA_N8X0
47static 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 */
62static 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
77static 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
86static struct iommu_platform_data omap3_iommu_pdata = {
87 .reset_name = "mmu",
88 .assert_reset = omap_device_assert_hardreset,
89 .deassert_reset = omap_device_deassert_hardreset,
90};
91
92static int omap3_sbc_t3730_twl_callback(struct device *dev,
93 unsigned gpio,
94 unsigned ngpio)
95{
96 int res;
97
98 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
99 "wlan pwr");
100 if (res)
101 return res;
102
103 gpio_export(gpio, 0);
104
105 return 0;
106}
107
108static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
109{
110 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
111
112 if (err) {
113 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
114 hub_name, err);
115 return;
116 }
117
118 gpio_export(gpio, 0);
119
120 udelay(10);
121 gpio_set_value(gpio, 1);
122 msleep(1);
123}
124
125static void __init omap3_sbc_t3730_twl_init(void)
126{
127 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
128}
129
130static void __init omap3_sbc_t3730_legacy_init(void)
131{
132 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
133}
134
135static void __init omap3_sbc_t3530_legacy_init(void)
136{
137 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
138}
139
140static struct ti_st_plat_data wilink_pdata = {
141 .nshutdown_gpio = 137,
142 .dev_name = "/dev/ttyO1",
143 .flow_cntrl = 1,
144 .baud_rate = 300000,
145};
146
147static struct platform_device wl18xx_device = {
148 .name = "kim",
149 .id = -1,
150 .dev = {
151 .platform_data = &wilink_pdata,
152 }
153};
154
155static struct ti_st_plat_data wilink7_pdata = {
156 .nshutdown_gpio = 162,
157 .dev_name = "/dev/ttyO1",
158 .flow_cntrl = 1,
159 .baud_rate = 300000,
160};
161
162static struct platform_device wl128x_device = {
163 .name = "kim",
164 .id = -1,
165 .dev = {
166 .platform_data = &wilink7_pdata,
167 }
168};
169
170static struct platform_device btwilink_device = {
171 .name = "btwilink",
172 .id = -1,
173};
174
175static void __init omap3_igep0020_rev_f_legacy_init(void)
176{
177 platform_device_register(&wl18xx_device);
178 platform_device_register(&btwilink_device);
179}
180
181static void __init omap3_igep0030_rev_g_legacy_init(void)
182{
183 platform_device_register(&wl18xx_device);
184 platform_device_register(&btwilink_device);
185}
186
187static void __init omap3_evm_legacy_init(void)
188{
189 hsmmc2_internal_input_clk();
190}
191
192static void am35xx_enable_emac_int(void)
193{
194 u32 v;
195
196 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
197 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
198 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
199 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
200 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
201}
202
203static void am35xx_disable_emac_int(void)
204{
205 u32 v;
206
207 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
208 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
209 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
210 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
211}
212
213static struct emac_platform_data am35xx_emac_pdata = {
214 .interrupt_enable = am35xx_enable_emac_int,
215 .interrupt_disable = am35xx_disable_emac_int,
216};
217
218static void __init am35xx_emac_reset(void)
219{
220 u32 v;
221
222 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
223 v &= ~AM35XX_CPGMACSS_SW_RST;
224 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
225 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
226}
227
228static struct gpio cm_t3517_wlan_gpios[] __initdata = {
229 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
230 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
231};
232
233static void __init omap3_sbc_t3517_wifi_init(void)
234{
235 int err = gpio_request_array(cm_t3517_wlan_gpios,
236 ARRAY_SIZE(cm_t3517_wlan_gpios));
237 if (err) {
238 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
239 return;
240 }
241
242 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
243 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
244
245 msleep(100);
246 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
247}
248
249static void __init omap3_sbc_t3517_legacy_init(void)
250{
251 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
252 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
253 am35xx_emac_reset();
254 hsmmc2_internal_input_clk();
255 omap3_sbc_t3517_wifi_init();
256}
257
258static void __init am3517_evm_legacy_init(void)
259{
260 am35xx_emac_reset();
261}
262
263static struct platform_device omap3_rom_rng_device = {
264 .name = "omap3-rom-rng",
265 .id = -1,
266 .dev = {
267 .platform_data = rx51_secure_rng_call,
268 },
269};
270
271static void __init nokia_n900_legacy_init(void)
272{
273 hsmmc2_internal_input_clk();
274
275 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
276 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
277 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
278 /* set IBE to 1 */
279 rx51_secure_update_aux_cr(BIT(6), 0);
280 } else {
281 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
282 pr_warn("Thumb binaries may crash randomly without this workaround\n");
283 }
284
285 pr_info("RX-51: Registering OMAP3 HWRNG device\n");
286 platform_device_register(&omap3_rom_rng_device);
287
288 }
289}
290
291static void __init omap3_tao3530_legacy_init(void)
292{
293 hsmmc2_internal_input_clk();
294}
295
296static void __init omap3_logicpd_torpedo_init(void)
297{
298 omap3_gpio126_127_129();
299 platform_device_register(&wl128x_device);
300 platform_device_register(&btwilink_device);
301}
302
303/* omap3pandora legacy devices */
304#define PANDORA_WIFI_IRQ_GPIO 21
305#define PANDORA_WIFI_NRESET_GPIO 23
306
307static struct platform_device pandora_backlight = {
308 .name = "pandora-backlight",
309 .id = -1,
310};
311
312static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
313 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
314};
315
316static struct regulator_init_data pandora_vmmc3 = {
317 .constraints = {
318 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
319 },
320 .num_consumer_supplies = ARRAY_SIZE(pandora_vmmc3_supply),
321 .consumer_supplies = pandora_vmmc3_supply,
322};
323
324static struct fixed_voltage_config pandora_vwlan = {
325 .supply_name = "vwlan",
326 .microvolts = 1800000, /* 1.8V */
327 .gpio = PANDORA_WIFI_NRESET_GPIO,
328 .startup_delay = 50000, /* 50ms */
329 .enable_high = 1,
330 .init_data = &pandora_vmmc3,
331};
332
333static struct platform_device pandora_vwlan_device = {
334 .name = "reg-fixed-voltage",
335 .id = 1,
336 .dev = {
337 .platform_data = &pandora_vwlan,
338 },
339};
340
341static void pandora_wl1251_init_card(struct mmc_card *card)
342{
343 /*
344 * We have TI wl1251 attached to MMC3. Pass this information to
345 * SDIO core because it can't be probed by normal methods.
346 */
347 if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) {
348 card->quirks |= MMC_QUIRK_NONSTD_SDIO;
349 card->cccr.wide_bus = 1;
350 card->cis.vendor = 0x104c;
351 card->cis.device = 0x9066;
352 card->cis.blksize = 512;
353 card->cis.max_dtr = 24000000;
354 card->ocr = 0x80;
355 }
356}
357
358static struct omap2_hsmmc_info pandora_mmc3[] = {
359 {
360 .mmc = 3,
361 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
362 .gpio_cd = -EINVAL,
363 .gpio_wp = -EINVAL,
364 .init_card = pandora_wl1251_init_card,
365 },
366 {} /* Terminator */
367};
368
369static void __init pandora_wl1251_init(void)
370{
371 struct wl1251_platform_data pandora_wl1251_pdata;
372 int ret;
373
374 memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
375
376 pandora_wl1251_pdata.power_gpio = -1;
377
378 ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
379 if (ret < 0)
380 goto fail;
381
382 pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
383 if (pandora_wl1251_pdata.irq < 0)
384 goto fail_irq;
385
386 pandora_wl1251_pdata.use_eeprom = true;
387 ret = wl1251_set_platform_data(&pandora_wl1251_pdata);
388 if (ret < 0)
389 goto fail_irq;
390
391 return;
392
393fail_irq:
394 gpio_free(PANDORA_WIFI_IRQ_GPIO);
395fail:
396 pr_err("wl1251 board initialisation failed\n");
397}
398
399static void __init omap3_pandora_legacy_init(void)
400{
401 platform_device_register(&pandora_backlight);
402 platform_device_register(&pandora_vwlan_device);
403 omap_hsmmc_init(pandora_mmc3);
404 omap_hsmmc_late_init(pandora_mmc3);
405 pandora_wl1251_init();
406}
407#endif /* CONFIG_ARCH_OMAP3 */
408
409#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
410static struct iommu_platform_data omap4_iommu_pdata = {
411 .reset_name = "mmu_cache",
412 .assert_reset = omap_device_assert_hardreset,
413 .deassert_reset = omap_device_deassert_hardreset,
414};
415#endif
416
417#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
418static struct wkup_m3_platform_data wkup_m3_data = {
419 .reset_name = "wkup_m3",
420 .assert_reset = omap_device_assert_hardreset,
421 .deassert_reset = omap_device_deassert_hardreset,
422};
423#endif
424
425#ifdef CONFIG_SOC_OMAP5
426static void __init omap5_uevm_legacy_init(void)
427{
428}
429#endif
430
431static struct pcs_pdata pcs_pdata;
432
433void omap_pcs_legacy_init(int irq, void (*rearm)(void))
434{
435 pcs_pdata.irq = irq;
436 pcs_pdata.rearm = rearm;
437}
438
439/*
440 * GPIOs for TWL are initialized by the I2C bus and need custom
441 * handing until DSS has device tree bindings.
442 */
443void omap_auxdata_legacy_init(struct device *dev)
444{
445 if (dev->platform_data)
446 return;
447
448 if (strcmp("twl4030-gpio", dev_name(dev)))
449 return;
450
451 dev->platform_data = &twl_gpio_auxdata;
452}
453
454/* Dual mode timer PWM callbacks platdata */
455#if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
456struct pwm_omap_dmtimer_pdata pwm_dmtimer_pdata = {
457 .request_by_node = omap_dm_timer_request_by_node,
458 .free = omap_dm_timer_free,
459 .enable = omap_dm_timer_enable,
460 .disable = omap_dm_timer_disable,
461 .get_fclk = omap_dm_timer_get_fclk,
462 .start = omap_dm_timer_start,
463 .stop = omap_dm_timer_stop,
464 .set_load = omap_dm_timer_set_load,
465 .set_match = omap_dm_timer_set_match,
466 .set_pwm = omap_dm_timer_set_pwm,
467 .set_prescaler = omap_dm_timer_set_prescaler,
468 .write_counter = omap_dm_timer_write_counter,
469};
470#endif
471
472/*
473 * Few boards still need auxdata populated before we populate
474 * the dev entries in of_platform_populate().
475 */
476static struct pdata_init auxdata_quirks[] __initdata = {
477#ifdef CONFIG_SOC_OMAP2420
478 { "nokia,n800", omap2420_n8x0_legacy_init, },
479 { "nokia,n810", omap2420_n8x0_legacy_init, },
480 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
481#endif
482#ifdef CONFIG_ARCH_OMAP3
483 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
484#endif
485 { /* sentinel */ },
486};
487
488static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
489#ifdef CONFIG_MACH_NOKIA_N8X0
490 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
491 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
492 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
493#endif
494#ifdef CONFIG_ARCH_OMAP3
495 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
496 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
497 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
498 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
499 &omap3_iommu_pdata),
500 /* Only on am3517 */
501 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
502 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
503 &am35xx_emac_pdata),
504#endif
505#ifdef CONFIG_SOC_AM33XX
506 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
507 &wkup_m3_data),
508#endif
509#ifdef CONFIG_ARCH_OMAP4
510 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
511 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
512#endif
513#ifdef CONFIG_SOC_OMAP5
514 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata),
515 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata),
516#endif
517#ifdef CONFIG_SOC_DRA7XX
518 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
519#endif
520#ifdef CONFIG_SOC_AM43XX
521 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
522 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
523 &wkup_m3_data),
524#endif
525#if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
526 OF_DEV_AUXDATA("ti,omap-dmtimer-pwm", 0, NULL, &pwm_dmtimer_pdata),
527#endif
528#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
529 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
530 &omap4_iommu_pdata),
531 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
532 &omap4_iommu_pdata),
533#endif
534 { /* sentinel */ },
535};
536
537/*
538 * Few boards still need to initialize some legacy devices with
539 * platform data until the drivers support device tree.
540 */
541static struct pdata_init pdata_quirks[] __initdata = {
542#ifdef CONFIG_ARCH_OMAP3
543 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
544 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
545 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
546 { "nokia,omap3-n900", nokia_n900_legacy_init, },
547 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
548 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
549 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
550 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
551 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
552 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
553 { "ti,am3517-evm", am3517_evm_legacy_init, },
554 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
555 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
556 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
557#endif
558#ifdef CONFIG_SOC_OMAP5
559 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
560#endif
561 { /* sentinel */ },
562};
563
564static void pdata_quirks_check(struct pdata_init *quirks)
565{
566 while (quirks->compatible) {
567 if (of_machine_is_compatible(quirks->compatible)) {
568 if (quirks->fn)
569 quirks->fn();
570 break;
571 }
572 quirks++;
573 }
574}
575
576void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
577{
578 /*
579 * We still need this for omap2420 and omap3 PM to work, others are
580 * using drivers/misc/sram.c already.
581 */
582 if (of_machine_is_compatible("ti,omap2420") ||
583 of_machine_is_compatible("ti,omap3"))
584 omap_sdrc_init(NULL, NULL);
585
586 pdata_quirks_check(auxdata_quirks);
587 of_platform_populate(NULL, omap_dt_match_table,
588 omap_auxdata_lookup, NULL);
589 pdata_quirks_check(pdata_quirks);
590}