2 * Legacy platform_data quirks
4 * Copyright (C) 2013 Texas Instruments
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.
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>
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>
33 #include "common-board-devices.h"
35 #include "omap_device.h"
37 #include "omap-secure.h"
41 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
44 const char *compatible;
48 static struct of_dev_auxdata omap_auxdata_lookup[];
49 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
51 #ifdef CONFIG_MACH_NOKIA_N8X0
52 static void __init omap2420_n8x0_legacy_init(void)
54 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
57 #define omap2420_n8x0_legacy_init NULL
60 #ifdef CONFIG_ARCH_OMAP3
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.
67 static void __init omap3_gpio126_127_129(void)
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);
82 static void __init hsmmc2_internal_input_clk(void)
86 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
87 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
88 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
91 static struct iommu_platform_data omap3_iommu_pdata = {
93 .assert_reset = omap_device_assert_hardreset,
94 .deassert_reset = omap_device_deassert_hardreset,
97 static int omap3_sbc_t3730_twl_callback(struct device *dev,
103 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
108 gpio_export(gpio, 0);
113 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
115 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
118 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
123 gpio_export(gpio, 0);
126 gpio_set_value(gpio, 1);
130 static void __init omap3_sbc_t3730_twl_init(void)
132 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
135 static void __init omap3_sbc_t3730_legacy_init(void)
137 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
140 static void __init omap3_sbc_t3530_legacy_init(void)
142 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
145 static struct ti_st_plat_data wilink_pdata = {
146 .nshutdown_gpio = 137,
147 .dev_name = "/dev/ttyO1",
152 static struct platform_device wl18xx_device = {
156 .platform_data = &wilink_pdata,
160 static struct ti_st_plat_data wilink7_pdata = {
161 .nshutdown_gpio = 162,
162 .dev_name = "/dev/ttyO1",
164 .baud_rate = 3000000,
167 static struct platform_device wl128x_device = {
171 .platform_data = &wilink7_pdata,
175 static struct platform_device btwilink_device = {
180 static void __init omap3_igep0020_rev_f_legacy_init(void)
182 platform_device_register(&wl18xx_device);
183 platform_device_register(&btwilink_device);
186 static void __init omap3_igep0030_rev_g_legacy_init(void)
188 platform_device_register(&wl18xx_device);
189 platform_device_register(&btwilink_device);
192 static void __init omap3_evm_legacy_init(void)
194 hsmmc2_internal_input_clk();
197 static void am35xx_enable_emac_int(void)
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 */
208 static void am35xx_disable_emac_int(void)
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 */
218 static struct emac_platform_data am35xx_emac_pdata = {
219 .interrupt_enable = am35xx_enable_emac_int,
220 .interrupt_disable = am35xx_disable_emac_int,
223 static void __init am35xx_emac_reset(void)
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 */
233 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
234 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
235 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
238 static void __init omap3_sbc_t3517_wifi_init(void)
240 int err = gpio_request_array(cm_t3517_wlan_gpios,
241 ARRAY_SIZE(cm_t3517_wlan_gpios));
243 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
247 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
248 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
251 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
254 static void __init omap3_sbc_t3517_legacy_init(void)
256 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
257 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
259 hsmmc2_internal_input_clk();
260 omap3_sbc_t3517_wifi_init();
263 static void __init am3517_evm_legacy_init(void)
268 static struct platform_device omap3_rom_rng_device = {
269 .name = "omap3-rom-rng",
272 .platform_data = rx51_secure_rng_call,
276 static void __init nokia_n900_legacy_init(void)
278 hsmmc2_internal_input_clk();
279 mmc_pdata[0].name = "external";
280 mmc_pdata[1].name = "internal";
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");
286 rx51_secure_update_aux_cr(BIT(6), 0);
288 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
289 pr_warn("Thumb binaries may crash randomly without this workaround\n");
292 pr_info("RX-51: Registering OMAP3 HWRNG device\n");
293 platform_device_register(&omap3_rom_rng_device);
297 static void __init omap3_tao3530_legacy_init(void)
299 hsmmc2_internal_input_clk();
302 static void __init omap3_logicpd_torpedo_init(void)
304 omap3_gpio126_127_129();
305 platform_device_register(&wl128x_device);
306 platform_device_register(&btwilink_device);
309 /* omap3pandora legacy devices */
310 #define PANDORA_WIFI_IRQ_GPIO 21
311 #define PANDORA_WIFI_NRESET_GPIO 23
313 static struct platform_device pandora_backlight = {
314 .name = "pandora-backlight",
318 static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
319 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
322 static struct regulator_init_data pandora_vmmc3 = {
324 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
326 .num_consumer_supplies = ARRAY_SIZE(pandora_vmmc3_supply),
327 .consumer_supplies = pandora_vmmc3_supply,
330 static 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 */
336 .init_data = &pandora_vmmc3,
339 static struct platform_device pandora_vwlan_device = {
340 .name = "reg-fixed-voltage",
343 .platform_data = &pandora_vwlan,
347 static void pandora_wl1251_init_card(struct mmc_card *card)
350 * We have TI wl1251 attached to MMC3. Pass this information to
351 * SDIO core because it can't be probed by normal methods.
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;
364 static struct omap2_hsmmc_info pandora_mmc3[] = {
367 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
370 .init_card = pandora_wl1251_init_card,
375 static void __init pandora_wl1251_init(void)
377 struct wl1251_platform_data pandora_wl1251_pdata;
380 memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
382 pandora_wl1251_pdata.power_gpio = -1;
384 ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
388 pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
389 if (pandora_wl1251_pdata.irq < 0)
392 pandora_wl1251_pdata.use_eeprom = true;
393 ret = wl1251_set_platform_data(&pandora_wl1251_pdata);
400 gpio_free(PANDORA_WIFI_IRQ_GPIO);
402 pr_err("wl1251 board initialisation failed\n");
405 static void __init omap3_pandora_legacy_init(void)
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();
413 #endif /* CONFIG_ARCH_OMAP3 */
415 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
416 static 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,
423 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
424 static 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,
431 #ifdef CONFIG_SOC_OMAP5
432 static void __init omap5_uevm_legacy_init(void)
437 static struct pcs_pdata pcs_pdata;
439 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
442 pcs_pdata.rearm = rearm;
446 * GPIOs for TWL are initialized by the I2C bus and need custom
447 * handing until DSS has device tree bindings.
449 void omap_auxdata_legacy_init(struct device *dev)
451 if (dev->platform_data)
454 if (strcmp("twl4030-gpio", dev_name(dev)))
457 dev->platform_data = &twl_gpio_auxdata;
460 /* Dual mode timer PWM callbacks platdata */
461 #if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
462 static 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,
487 static struct lirc_rx51_platform_data __maybe_unused rx51_lirc_data = {
488 .set_max_mpu_wakeup_lat = omap_pm_set_max_mpu_wakeup_lat,
491 static struct platform_device __maybe_unused rx51_lirc_device = {
495 .platform_data = &rx51_lirc_data,
499 #if IS_ENABLED(CONFIG_SND_OMAP_SOC_MCBSP)
500 static struct omap_mcbsp_platform_data mcbsp_pdata;
501 static void __init omap3_mcbsp_init(void)
503 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
506 static void __init omap3_mcbsp_init(void) {}
510 * Few boards still need auxdata populated before we populate
511 * the dev entries in of_platform_populate().
513 static 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, },
519 #ifdef CONFIG_ARCH_OMAP3
520 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
525 static 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),
531 #ifdef CONFIG_ARCH_OMAP3
532 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
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),
538 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
539 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
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),
547 #ifdef CONFIG_SOC_AM33XX
548 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
551 #ifdef CONFIG_SOC_AM43XX
552 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
555 #if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
556 OF_DEV_AUXDATA("ti,omap-dmtimer-pwm", 0, NULL, &pwm_dmtimer_pdata),
558 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
559 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
561 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
565 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
570 * Few boards still need to initialize some legacy devices with
571 * platform data until the drivers support device tree.
573 static 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, },
590 #ifdef CONFIG_SOC_OMAP5
591 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
596 static void pdata_quirks_check(struct pdata_init *quirks)
598 while (quirks->compatible) {
599 if (of_machine_is_compatible(quirks->compatible)) {
608 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
611 * We still need this for omap2420 and omap3 PM to work, others are
612 * using drivers/misc/sram.c already.
614 if (of_machine_is_compatible("ti,omap2420") ||
615 of_machine_is_compatible("ti,omap3"))
616 omap_sdrc_init(NULL, NULL);
618 if (of_machine_is_compatible("ti,omap3"))
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);