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/gpio/machine.h>
14 #include <linux/init.h>
15 #include <linux/kernel.h>
16 #include <linux/of_platform.h>
17 #include <linux/ti_wilink_st.h>
18 #include <linux/wl12xx.h>
19 #include <linux/mmc/card.h>
20 #include <linux/mmc/host.h>
21 #include <linux/power/smartreflex.h>
22 #include <linux/regulator/machine.h>
23 #include <linux/regulator/fixed.h>
25 #include <linux/platform_data/pinctrl-single.h>
26 #include <linux/platform_data/hsmmc-omap.h>
27 #include <linux/platform_data/iommu-omap.h>
28 #include <linux/platform_data/ti-sysc.h>
29 #include <linux/platform_data/wkup_m3.h>
30 #include <linux/platform_data/asoc-ti-mcbsp.h>
33 #include "common-board-devices.h"
35 #include "omap_device.h"
36 #include "omap-secure.h"
40 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
43 const char *compatible;
47 static struct of_dev_auxdata omap_auxdata_lookup[];
48 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
50 #ifdef CONFIG_MACH_NOKIA_N8X0
51 static void __init omap2420_n8x0_legacy_init(void)
53 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
56 #define omap2420_n8x0_legacy_init NULL
59 #ifdef CONFIG_ARCH_OMAP3
61 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
62 * mode for MMC1 in case bootloader did not configure things.
63 * Note that if the pins are used for MMC1, pbias-regulator
64 * manages the IO voltage.
66 static void __init omap3_gpio126_127_129(void)
70 reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
71 reg &= ~OMAP343X_PBIASLITEVMODE1;
72 reg |= OMAP343X_PBIASLITEPWRDNZ1;
73 omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
74 if (cpu_is_omap3630()) {
75 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
76 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
77 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
81 static void __init hsmmc2_internal_input_clk(void)
85 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
86 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
87 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
90 static struct iommu_platform_data omap3_iommu_pdata = {
92 .assert_reset = omap_device_assert_hardreset,
93 .deassert_reset = omap_device_deassert_hardreset,
96 static int omap3_sbc_t3730_twl_callback(struct device *dev,
102 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
107 gpio_export(gpio, 0);
112 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
114 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
117 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
122 gpio_export(gpio, 0);
125 gpio_set_value(gpio, 1);
129 static void __init omap3_sbc_t3730_twl_init(void)
131 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
134 static void __init omap3_sbc_t3730_legacy_init(void)
136 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
139 static void __init omap3_sbc_t3530_legacy_init(void)
141 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
144 static struct ti_st_plat_data wilink_pdata = {
145 .nshutdown_gpio = 137,
146 .dev_name = "/dev/ttyO1",
151 static struct platform_device wl18xx_device = {
155 .platform_data = &wilink_pdata,
159 static struct ti_st_plat_data wilink7_pdata = {
160 .nshutdown_gpio = 162,
161 .dev_name = "/dev/ttyO1",
163 .baud_rate = 3000000,
166 static struct platform_device wl128x_device = {
170 .platform_data = &wilink7_pdata,
174 static struct platform_device btwilink_device = {
179 static void __init omap3_igep0020_rev_f_legacy_init(void)
181 platform_device_register(&wl18xx_device);
182 platform_device_register(&btwilink_device);
185 static void __init omap3_igep0030_rev_g_legacy_init(void)
187 platform_device_register(&wl18xx_device);
188 platform_device_register(&btwilink_device);
191 static void __init omap3_evm_legacy_init(void)
193 hsmmc2_internal_input_clk();
196 static void am35xx_enable_emac_int(void)
200 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
201 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
202 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
203 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
204 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
207 static void am35xx_disable_emac_int(void)
211 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
212 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
213 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
214 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
217 static struct emac_platform_data am35xx_emac_pdata = {
218 .interrupt_enable = am35xx_enable_emac_int,
219 .interrupt_disable = am35xx_disable_emac_int,
222 static void __init am35xx_emac_reset(void)
226 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
227 v &= ~AM35XX_CPGMACSS_SW_RST;
228 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
229 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
232 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
233 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
234 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
237 static void __init omap3_sbc_t3517_wifi_init(void)
239 int err = gpio_request_array(cm_t3517_wlan_gpios,
240 ARRAY_SIZE(cm_t3517_wlan_gpios));
242 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
246 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
247 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
250 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
253 static void __init omap3_sbc_t3517_legacy_init(void)
255 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
256 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
258 hsmmc2_internal_input_clk();
259 omap3_sbc_t3517_wifi_init();
262 static void __init am3517_evm_legacy_init(void)
267 static struct platform_device omap3_rom_rng_device = {
268 .name = "omap3-rom-rng",
271 .platform_data = rx51_secure_rng_call,
275 static void __init nokia_n900_legacy_init(void)
277 hsmmc2_internal_input_clk();
278 mmc_pdata[0].name = "external";
279 mmc_pdata[1].name = "internal";
281 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
282 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
283 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
285 rx51_secure_update_aux_cr(BIT(6), 0);
287 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
288 pr_warn("Thumb binaries may crash randomly without this workaround\n");
291 pr_info("RX-51: Registering OMAP3 HWRNG device\n");
292 platform_device_register(&omap3_rom_rng_device);
296 static void __init omap3_tao3530_legacy_init(void)
298 hsmmc2_internal_input_clk();
301 static void __init omap3_logicpd_torpedo_init(void)
303 omap3_gpio126_127_129();
304 platform_device_register(&wl128x_device);
305 platform_device_register(&btwilink_device);
308 /* omap3pandora legacy devices */
309 #define PANDORA_WIFI_IRQ_GPIO 21
310 #define PANDORA_WIFI_NRESET_GPIO 23
312 static struct platform_device pandora_backlight = {
313 .name = "pandora-backlight",
317 static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
318 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
321 static struct regulator_init_data pandora_vmmc3 = {
323 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
325 .num_consumer_supplies = ARRAY_SIZE(pandora_vmmc3_supply),
326 .consumer_supplies = pandora_vmmc3_supply,
329 static struct fixed_voltage_config pandora_vwlan = {
330 .supply_name = "vwlan",
331 .microvolts = 1800000, /* 1.8V */
332 .startup_delay = 50000, /* 50ms */
333 .init_data = &pandora_vmmc3,
336 static struct platform_device pandora_vwlan_device = {
337 .name = "reg-fixed-voltage",
340 .platform_data = &pandora_vwlan,
344 static struct gpiod_lookup_table pandora_vwlan_gpiod_table = {
345 .dev_id = "reg-fixed-voltage.1",
348 * As this is a low GPIO number it should be at the first
351 GPIO_LOOKUP("gpio-0-31", PANDORA_WIFI_NRESET_GPIO,
352 NULL, GPIO_ACTIVE_HIGH),
357 static void pandora_wl1251_init_card(struct mmc_card *card)
360 * We have TI wl1251 attached to MMC3. Pass this information to
361 * SDIO core because it can't be probed by normal methods.
363 if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) {
364 card->quirks |= MMC_QUIRK_NONSTD_SDIO;
365 card->cccr.wide_bus = 1;
366 card->cis.vendor = 0x104c;
367 card->cis.device = 0x9066;
368 card->cis.blksize = 512;
369 card->cis.max_dtr = 24000000;
374 static struct omap2_hsmmc_info pandora_mmc3[] = {
377 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
378 .init_card = pandora_wl1251_init_card,
383 static void __init pandora_wl1251_init(void)
385 struct wl1251_platform_data pandora_wl1251_pdata;
388 memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
390 pandora_wl1251_pdata.power_gpio = -1;
392 ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
396 pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
397 if (pandora_wl1251_pdata.irq < 0)
400 pandora_wl1251_pdata.use_eeprom = true;
401 ret = wl1251_set_platform_data(&pandora_wl1251_pdata);
408 gpio_free(PANDORA_WIFI_IRQ_GPIO);
410 pr_err("wl1251 board initialisation failed\n");
413 static void __init omap3_pandora_legacy_init(void)
415 platform_device_register(&pandora_backlight);
416 gpiod_add_lookup_table(&pandora_vwlan_gpiod_table);
417 platform_device_register(&pandora_vwlan_device);
418 omap_hsmmc_init(pandora_mmc3);
419 omap_hsmmc_late_init(pandora_mmc3);
420 pandora_wl1251_init();
422 #endif /* CONFIG_ARCH_OMAP3 */
424 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
425 static struct iommu_platform_data omap4_iommu_pdata = {
426 .reset_name = "mmu_cache",
427 .assert_reset = omap_device_assert_hardreset,
428 .deassert_reset = omap_device_deassert_hardreset,
432 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
433 static struct wkup_m3_platform_data wkup_m3_data = {
434 .reset_name = "wkup_m3",
435 .assert_reset = omap_device_assert_hardreset,
436 .deassert_reset = omap_device_deassert_hardreset,
440 #ifdef CONFIG_SOC_OMAP5
441 static void __init omap5_uevm_legacy_init(void)
446 #ifdef CONFIG_SOC_DRA7XX
447 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1;
448 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2;
449 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3;
451 static void __init dra7x_evm_mmc_quirk(void)
453 if (omap_rev() == DRA752_REV_ES1_1 || omap_rev() == DRA752_REV_ES1_0) {
454 dra7_hsmmc_data_mmc1.version = "rev11";
455 dra7_hsmmc_data_mmc1.max_freq = 96000000;
457 dra7_hsmmc_data_mmc2.version = "rev11";
458 dra7_hsmmc_data_mmc2.max_freq = 48000000;
460 dra7_hsmmc_data_mmc3.version = "rev11";
461 dra7_hsmmc_data_mmc3.max_freq = 48000000;
466 static int ti_sysc_enable_module(struct device *dev,
467 const struct ti_sysc_cookie *cookie)
472 return omap_hwmod_enable(cookie->data);
475 static int ti_sysc_idle_module(struct device *dev,
476 const struct ti_sysc_cookie *cookie)
481 return omap_hwmod_idle(cookie->data);
484 static int ti_sysc_shutdown_module(struct device *dev,
485 const struct ti_sysc_cookie *cookie)
490 return omap_hwmod_shutdown(cookie->data);
493 static struct of_dev_auxdata omap_auxdata_lookup[];
495 static struct ti_sysc_platform_data ti_sysc_pdata = {
496 .auxdata = omap_auxdata_lookup,
497 .init_module = omap_hwmod_init_module,
498 .enable_module = ti_sysc_enable_module,
499 .idle_module = ti_sysc_idle_module,
500 .shutdown_module = ti_sysc_shutdown_module,
503 static struct pcs_pdata pcs_pdata;
505 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
508 pcs_pdata.rearm = rearm;
512 * GPIOs for TWL are initialized by the I2C bus and need custom
513 * handing until DSS has device tree bindings.
515 void omap_auxdata_legacy_init(struct device *dev)
517 if (dev->platform_data)
520 if (strcmp("twl4030-gpio", dev_name(dev)))
523 dev->platform_data = &twl_gpio_auxdata;
526 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
527 static struct omap_mcbsp_platform_data mcbsp_pdata;
528 static void __init omap3_mcbsp_init(void)
530 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
533 static void __init omap3_mcbsp_init(void) {}
537 * Few boards still need auxdata populated before we populate
538 * the dev entries in of_platform_populate().
540 static struct pdata_init auxdata_quirks[] __initdata = {
541 #ifdef CONFIG_SOC_OMAP2420
542 { "nokia,n800", omap2420_n8x0_legacy_init, },
543 { "nokia,n810", omap2420_n8x0_legacy_init, },
544 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
546 #ifdef CONFIG_ARCH_OMAP3
547 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
552 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
554 static struct of_dev_auxdata omap_auxdata_lookup[] = {
555 #ifdef CONFIG_MACH_NOKIA_N8X0
556 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
557 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
558 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
560 #ifdef CONFIG_ARCH_OMAP3
561 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
563 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
564 "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
565 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
566 "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
567 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
568 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
570 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
571 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
573 /* McBSP modules with sidetone core */
574 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
575 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
576 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
579 #ifdef CONFIG_SOC_AM33XX
580 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
583 #ifdef CONFIG_SOC_AM43XX
584 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
587 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
588 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
590 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
592 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
593 "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
594 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
595 "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
596 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
597 "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
599 #ifdef CONFIG_SOC_DRA7XX
600 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
601 &dra7_hsmmc_data_mmc1),
602 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
603 &dra7_hsmmc_data_mmc2),
604 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
605 &dra7_hsmmc_data_mmc3),
608 OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
609 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
614 * Few boards still need to initialize some legacy devices with
615 * platform data until the drivers support device tree.
617 static struct pdata_init pdata_quirks[] __initdata = {
618 #ifdef CONFIG_ARCH_OMAP3
619 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
620 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
621 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
622 { "nokia,omap3-n900", nokia_n900_legacy_init, },
623 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
624 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
625 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
626 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
627 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
628 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
629 { "ti,am3517-evm", am3517_evm_legacy_init, },
630 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
631 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
632 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
634 #ifdef CONFIG_SOC_OMAP5
635 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
637 #ifdef CONFIG_SOC_DRA7XX
638 { "ti,dra7-evm", dra7x_evm_mmc_quirk, },
643 static void pdata_quirks_check(struct pdata_init *quirks)
645 while (quirks->compatible) {
646 if (of_machine_is_compatible(quirks->compatible)) {
654 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
657 * We still need this for omap2420 and omap3 PM to work, others are
658 * using drivers/misc/sram.c already.
660 if (of_machine_is_compatible("ti,omap2420") ||
661 of_machine_is_compatible("ti,omap3"))
662 omap_sdrc_init(NULL, NULL);
664 if (of_machine_is_compatible("ti,omap3"))
666 pdata_quirks_check(auxdata_quirks);
667 of_platform_populate(NULL, omap_dt_match_table,
668 omap_auxdata_lookup, NULL);
669 pdata_quirks_check(pdata_quirks);