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/iommu-omap.h>
25 #include <linux/platform_data/wkup_m3.h>
28 #include "common-board-devices.h"
29 #include "dss-common.h"
31 #include "omap_device.h"
32 #include "omap-secure.h"
37 const char *compatible;
41 static struct of_dev_auxdata omap_auxdata_lookup[];
42 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
44 #ifdef CONFIG_MACH_NOKIA_N8X0
45 static void __init omap2420_n8x0_legacy_init(void)
47 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
50 #define omap2420_n8x0_legacy_init NULL
53 #ifdef CONFIG_ARCH_OMAP3
55 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
56 * mode for MMC1 in case bootloader did not configure things.
57 * Note that if the pins are used for MMC1, pbias-regulator
58 * manages the IO voltage.
60 static void __init omap3_gpio126_127_129(void)
64 reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
65 reg &= ~OMAP343X_PBIASLITEVMODE1;
66 reg |= OMAP343X_PBIASLITEPWRDNZ1;
67 omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
68 if (cpu_is_omap3630()) {
69 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
70 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
71 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
75 static void __init hsmmc2_internal_input_clk(void)
79 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
80 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
81 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
84 static struct iommu_platform_data omap3_iommu_pdata = {
86 .assert_reset = omap_device_assert_hardreset,
87 .deassert_reset = omap_device_deassert_hardreset,
90 static int omap3_sbc_t3730_twl_callback(struct device *dev,
96 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
101 gpio_export(gpio, 0);
106 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
108 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
111 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
116 gpio_export(gpio, 0);
119 gpio_set_value(gpio, 1);
123 static void __init omap3_sbc_t3730_twl_init(void)
125 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
128 static void __init omap3_sbc_t3730_legacy_init(void)
130 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
133 static void __init omap3_sbc_t3530_legacy_init(void)
135 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
138 static struct ti_st_plat_data wilink_pdata = {
139 .nshutdown_gpio = 137,
140 .dev_name = "/dev/ttyO1",
145 static struct platform_device wl18xx_device = {
149 .platform_data = &wilink_pdata,
153 static struct ti_st_plat_data wilink7_pdata = {
154 .nshutdown_gpio = 162,
155 .dev_name = "/dev/ttyO1",
160 static struct platform_device wl128x_device = {
164 .platform_data = &wilink7_pdata,
168 static struct platform_device btwilink_device = {
173 static void __init omap3_igep0020_rev_f_legacy_init(void)
175 platform_device_register(&wl18xx_device);
176 platform_device_register(&btwilink_device);
179 static void __init omap3_igep0030_rev_g_legacy_init(void)
181 platform_device_register(&wl18xx_device);
182 platform_device_register(&btwilink_device);
185 static void __init omap3_evm_legacy_init(void)
187 hsmmc2_internal_input_clk();
190 static void am35xx_enable_emac_int(void)
194 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
195 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
196 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
197 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
198 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
201 static void am35xx_disable_emac_int(void)
205 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
206 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
207 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
208 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
211 static struct emac_platform_data am35xx_emac_pdata = {
212 .interrupt_enable = am35xx_enable_emac_int,
213 .interrupt_disable = am35xx_disable_emac_int,
216 static void __init am35xx_emac_reset(void)
220 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
221 v &= ~AM35XX_CPGMACSS_SW_RST;
222 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
223 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
226 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
227 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
228 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
231 static void __init omap3_sbc_t3517_wifi_init(void)
233 int err = gpio_request_array(cm_t3517_wlan_gpios,
234 ARRAY_SIZE(cm_t3517_wlan_gpios));
236 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
240 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
241 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
244 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
247 static void __init omap3_sbc_t3517_legacy_init(void)
249 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
250 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
252 hsmmc2_internal_input_clk();
253 omap3_sbc_t3517_wifi_init();
256 static void __init am3517_evm_legacy_init(void)
261 static struct platform_device omap3_rom_rng_device = {
262 .name = "omap3-rom-rng",
265 .platform_data = rx51_secure_rng_call,
269 static void __init nokia_n900_legacy_init(void)
271 hsmmc2_internal_input_clk();
273 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
274 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
275 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
277 rx51_secure_update_aux_cr(BIT(6), 0);
279 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
280 pr_warn("Thumb binaries may crash randomly without this workaround\n");
283 pr_info("RX-51: Registering OMAP3 HWRNG device\n");
284 platform_device_register(&omap3_rom_rng_device);
289 static void __init omap3_tao3530_legacy_init(void)
291 hsmmc2_internal_input_clk();
294 static void __init omap3_logicpd_torpedo_init(void)
296 omap3_gpio126_127_129();
297 platform_device_register(&wl128x_device);
298 platform_device_register(&btwilink_device);
301 /* omap3pandora legacy devices */
302 #define PANDORA_WIFI_IRQ_GPIO 21
303 #define PANDORA_WIFI_NRESET_GPIO 23
305 static struct platform_device pandora_backlight = {
306 .name = "pandora-backlight",
310 static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
311 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
314 static struct regulator_init_data pandora_vmmc3 = {
316 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
318 .num_consumer_supplies = ARRAY_SIZE(pandora_vmmc3_supply),
319 .consumer_supplies = pandora_vmmc3_supply,
322 static struct fixed_voltage_config pandora_vwlan = {
323 .supply_name = "vwlan",
324 .microvolts = 1800000, /* 1.8V */
325 .gpio = PANDORA_WIFI_NRESET_GPIO,
326 .startup_delay = 50000, /* 50ms */
328 .init_data = &pandora_vmmc3,
331 static struct platform_device pandora_vwlan_device = {
332 .name = "reg-fixed-voltage",
335 .platform_data = &pandora_vwlan,
339 static void pandora_wl1251_init_card(struct mmc_card *card)
342 * We have TI wl1251 attached to MMC3. Pass this information to
343 * SDIO core because it can't be probed by normal methods.
345 if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) {
346 card->quirks |= MMC_QUIRK_NONSTD_SDIO;
347 card->cccr.wide_bus = 1;
348 card->cis.vendor = 0x104c;
349 card->cis.device = 0x9066;
350 card->cis.blksize = 512;
351 card->cis.max_dtr = 24000000;
356 static struct omap2_hsmmc_info pandora_mmc3[] = {
359 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
362 .init_card = pandora_wl1251_init_card,
367 static void __init pandora_wl1251_init(void)
369 struct wl1251_platform_data pandora_wl1251_pdata;
372 memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
374 pandora_wl1251_pdata.power_gpio = -1;
376 ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
380 pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
381 if (pandora_wl1251_pdata.irq < 0)
384 pandora_wl1251_pdata.use_eeprom = true;
385 ret = wl1251_set_platform_data(&pandora_wl1251_pdata);
392 gpio_free(PANDORA_WIFI_IRQ_GPIO);
394 pr_err("wl1251 board initialisation failed\n");
397 static void __init omap3_pandora_legacy_init(void)
399 platform_device_register(&pandora_backlight);
400 platform_device_register(&pandora_vwlan_device);
401 omap_hsmmc_init(pandora_mmc3);
402 omap_hsmmc_late_init(pandora_mmc3);
403 pandora_wl1251_init();
405 #endif /* CONFIG_ARCH_OMAP3 */
407 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
408 static struct iommu_platform_data omap4_iommu_pdata = {
409 .reset_name = "mmu_cache",
410 .assert_reset = omap_device_assert_hardreset,
411 .deassert_reset = omap_device_deassert_hardreset,
415 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
416 static struct wkup_m3_platform_data wkup_m3_data = {
417 .reset_name = "wkup_m3",
418 .assert_reset = omap_device_assert_hardreset,
419 .deassert_reset = omap_device_deassert_hardreset,
423 #ifdef CONFIG_SOC_OMAP5
424 static void __init omap5_uevm_legacy_init(void)
429 static struct pcs_pdata pcs_pdata;
431 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
434 pcs_pdata.rearm = rearm;
438 * GPIOs for TWL are initialized by the I2C bus and need custom
439 * handing until DSS has device tree bindings.
441 void omap_auxdata_legacy_init(struct device *dev)
443 if (dev->platform_data)
446 if (strcmp("twl4030-gpio", dev_name(dev)))
449 dev->platform_data = &twl_gpio_auxdata;
453 * Few boards still need auxdata populated before we populate
454 * the dev entries in of_platform_populate().
456 static struct pdata_init auxdata_quirks[] __initdata = {
457 #ifdef CONFIG_SOC_OMAP2420
458 { "nokia,n800", omap2420_n8x0_legacy_init, },
459 { "nokia,n810", omap2420_n8x0_legacy_init, },
460 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
462 #ifdef CONFIG_ARCH_OMAP3
463 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
468 static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
469 #ifdef CONFIG_MACH_NOKIA_N8X0
470 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
471 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
472 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
474 #ifdef CONFIG_ARCH_OMAP3
475 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
476 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
477 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
478 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
481 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
482 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
485 #ifdef CONFIG_SOC_AM33XX
486 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
489 #ifdef CONFIG_ARCH_OMAP4
490 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
491 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
493 #ifdef CONFIG_SOC_OMAP5
494 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata),
495 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata),
497 #ifdef CONFIG_SOC_DRA7XX
498 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
500 #ifdef CONFIG_SOC_AM43XX
501 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
502 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
505 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
506 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
508 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
515 * Few boards still need to initialize some legacy devices with
516 * platform data until the drivers support device tree.
518 static struct pdata_init pdata_quirks[] __initdata = {
519 #ifdef CONFIG_ARCH_OMAP3
520 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
521 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
522 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
523 { "nokia,omap3-n900", nokia_n900_legacy_init, },
524 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
525 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
526 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
527 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
528 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
529 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
530 { "ti,am3517-evm", am3517_evm_legacy_init, },
531 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
532 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
533 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
535 #ifdef CONFIG_SOC_OMAP5
536 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
541 static void pdata_quirks_check(struct pdata_init *quirks)
543 while (quirks->compatible) {
544 if (of_machine_is_compatible(quirks->compatible)) {
553 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
556 * We still need this for omap2420 and omap3 PM to work, others are
557 * using drivers/misc/sram.c already.
559 if (of_machine_is_compatible("ti,omap2420") ||
560 of_machine_is_compatible("ti,omap3"))
561 omap_sdrc_init(NULL, NULL);
563 pdata_quirks_check(auxdata_quirks);
564 of_platform_populate(NULL, omap_dt_match_table,
565 omap_auxdata_lookup, NULL);
566 pdata_quirks_check(pdata_quirks);