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>
27 #include <asm/siginfo.h>
28 #include <asm/signal.h>
31 #include "common-board-devices.h"
32 #include "dss-common.h"
34 #include "omap_device.h"
35 #include "omap-secure.h"
40 const char *compatible;
44 static struct of_dev_auxdata omap_auxdata_lookup[];
45 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
47 #ifdef CONFIG_MACH_NOKIA_N8X0
48 static void __init omap2420_n8x0_legacy_init(void)
50 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
53 #define omap2420_n8x0_legacy_init NULL
56 #ifdef CONFIG_ARCH_OMAP3
58 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
59 * mode for MMC1 in case bootloader did not configure things.
60 * Note that if the pins are used for MMC1, pbias-regulator
61 * manages the IO voltage.
63 static void __init omap3_gpio126_127_129(void)
67 reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
68 reg &= ~OMAP343X_PBIASLITEVMODE1;
69 reg |= OMAP343X_PBIASLITEPWRDNZ1;
70 omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
71 if (cpu_is_omap3630()) {
72 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
73 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
74 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
78 static void __init hsmmc2_internal_input_clk(void)
82 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
83 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
84 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
87 static struct iommu_platform_data omap3_iommu_pdata = {
89 .assert_reset = omap_device_assert_hardreset,
90 .deassert_reset = omap_device_deassert_hardreset,
93 static int omap3_sbc_t3730_twl_callback(struct device *dev,
99 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
104 gpio_export(gpio, 0);
109 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
111 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
114 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
119 gpio_export(gpio, 0);
122 gpio_set_value(gpio, 1);
126 static void __init omap3_sbc_t3730_twl_init(void)
128 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
131 static void __init omap3_sbc_t3730_legacy_init(void)
133 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
136 static void __init omap3_sbc_t3530_legacy_init(void)
138 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
141 static struct ti_st_plat_data wilink_pdata = {
142 .nshutdown_gpio = 137,
143 .dev_name = "/dev/ttyO1",
148 static struct platform_device wl18xx_device = {
152 .platform_data = &wilink_pdata,
156 static struct platform_device btwilink_device = {
161 static void __init omap3_igep0020_rev_f_legacy_init(void)
163 platform_device_register(&wl18xx_device);
164 platform_device_register(&btwilink_device);
167 static void __init omap3_igep0030_rev_g_legacy_init(void)
169 platform_device_register(&wl18xx_device);
170 platform_device_register(&btwilink_device);
173 static void __init omap3_evm_legacy_init(void)
175 hsmmc2_internal_input_clk();
178 static void am35xx_enable_emac_int(void)
182 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
183 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
184 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
185 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
186 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
189 static void am35xx_disable_emac_int(void)
193 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
194 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
195 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
196 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
199 static struct emac_platform_data am35xx_emac_pdata = {
200 .interrupt_enable = am35xx_enable_emac_int,
201 .interrupt_disable = am35xx_disable_emac_int,
204 static void __init am35xx_emac_reset(void)
208 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
209 v &= ~AM35XX_CPGMACSS_SW_RST;
210 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
211 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
214 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
215 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
216 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
219 static void __init omap3_sbc_t3517_wifi_init(void)
221 int err = gpio_request_array(cm_t3517_wlan_gpios,
222 ARRAY_SIZE(cm_t3517_wlan_gpios));
224 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
228 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
229 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
232 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
235 static void __init omap3_sbc_t3517_legacy_init(void)
237 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
238 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
240 hsmmc2_internal_input_clk();
241 omap3_sbc_t3517_wifi_init();
244 static void __init am3517_evm_legacy_init(void)
249 static struct platform_device omap3_rom_rng_device = {
250 .name = "omap3-rom-rng",
253 .platform_data = rx51_secure_rng_call,
257 static void __init nokia_n900_legacy_init(void)
259 hsmmc2_internal_input_clk();
261 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
262 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
263 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
265 rx51_secure_update_aux_cr(BIT(6), 0);
267 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
268 pr_warn("Thumb binaries may crash randomly without this workaround\n");
271 pr_info("RX-51: Registring OMAP3 HWRNG device\n");
272 platform_device_register(&omap3_rom_rng_device);
277 static void __init omap3_tao3530_legacy_init(void)
279 hsmmc2_internal_input_clk();
282 /* omap3pandora legacy devices */
283 #define PANDORA_WIFI_IRQ_GPIO 21
284 #define PANDORA_WIFI_NRESET_GPIO 23
286 static struct platform_device pandora_backlight = {
287 .name = "pandora-backlight",
291 static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
292 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
295 static struct regulator_init_data pandora_vmmc3 = {
297 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
299 .num_consumer_supplies = ARRAY_SIZE(pandora_vmmc3_supply),
300 .consumer_supplies = pandora_vmmc3_supply,
303 static struct fixed_voltage_config pandora_vwlan = {
304 .supply_name = "vwlan",
305 .microvolts = 1800000, /* 1.8V */
306 .gpio = PANDORA_WIFI_NRESET_GPIO,
307 .startup_delay = 50000, /* 50ms */
309 .init_data = &pandora_vmmc3,
312 static struct platform_device pandora_vwlan_device = {
313 .name = "reg-fixed-voltage",
316 .platform_data = &pandora_vwlan,
320 static void pandora_wl1251_init_card(struct mmc_card *card)
323 * We have TI wl1251 attached to MMC3. Pass this information to
324 * SDIO core because it can't be probed by normal methods.
326 if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) {
327 card->quirks |= MMC_QUIRK_NONSTD_SDIO;
328 card->cccr.wide_bus = 1;
329 card->cis.vendor = 0x104c;
330 card->cis.device = 0x9066;
331 card->cis.blksize = 512;
332 card->cis.max_dtr = 24000000;
337 static struct omap2_hsmmc_info pandora_mmc3[] = {
340 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
343 .init_card = pandora_wl1251_init_card,
348 static void __init pandora_wl1251_init(void)
350 struct wl1251_platform_data pandora_wl1251_pdata;
353 memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
355 pandora_wl1251_pdata.power_gpio = -1;
357 ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
361 pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
362 if (pandora_wl1251_pdata.irq < 0)
365 pandora_wl1251_pdata.use_eeprom = true;
366 ret = wl1251_set_platform_data(&pandora_wl1251_pdata);
373 gpio_free(PANDORA_WIFI_IRQ_GPIO);
375 pr_err("wl1251 board initialisation failed\n");
378 static void __init omap3_pandora_legacy_init(void)
380 platform_device_register(&pandora_backlight);
381 platform_device_register(&pandora_vwlan_device);
382 omap_hsmmc_init(pandora_mmc3);
383 omap_hsmmc_late_init(pandora_mmc3);
384 pandora_wl1251_init();
386 #endif /* CONFIG_ARCH_OMAP3 */
388 #ifdef CONFIG_SOC_TI81XX
389 static int fault_fixed_up;
391 static int t410_abort_handler(unsigned long addr, unsigned int fsr,
392 struct pt_regs *regs)
394 if ((fsr == 0x406 || fsr == 0xc06) && !fault_fixed_up) {
395 pr_warn("External imprecise Data abort at addr=%#lx, fsr=%#x ignored.\n",
404 static void __init t410_abort_init(void)
406 hook_fault_code(16 + 6, t410_abort_handler, SIGBUS, BUS_OBJERR,
407 "imprecise external abort");
411 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
412 static struct iommu_platform_data omap4_iommu_pdata = {
413 .reset_name = "mmu_cache",
414 .assert_reset = omap_device_assert_hardreset,
415 .deassert_reset = omap_device_deassert_hardreset,
419 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
420 static struct wkup_m3_platform_data wkup_m3_data = {
421 .reset_name = "wkup_m3",
422 .assert_reset = omap_device_assert_hardreset,
423 .deassert_reset = omap_device_deassert_hardreset,
427 #ifdef CONFIG_SOC_OMAP5
428 static void __init omap5_uevm_legacy_init(void)
433 static struct pcs_pdata pcs_pdata;
435 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
438 pcs_pdata.rearm = rearm;
442 * GPIOs for TWL are initialized by the I2C bus and need custom
443 * handing until DSS has device tree bindings.
445 void omap_auxdata_legacy_init(struct device *dev)
447 if (dev->platform_data)
450 if (strcmp("twl4030-gpio", dev_name(dev)))
453 dev->platform_data = &twl_gpio_auxdata;
457 * Few boards still need auxdata populated before we populate
458 * the dev entries in of_platform_populate().
460 static struct pdata_init auxdata_quirks[] __initdata = {
461 #ifdef CONFIG_SOC_OMAP2420
462 { "nokia,n800", omap2420_n8x0_legacy_init, },
463 { "nokia,n810", omap2420_n8x0_legacy_init, },
464 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
466 #ifdef CONFIG_ARCH_OMAP3
467 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
472 static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
473 #ifdef CONFIG_MACH_NOKIA_N8X0
474 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
475 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
476 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
478 #ifdef CONFIG_ARCH_OMAP3
479 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
480 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
481 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
482 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
485 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
486 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
489 #ifdef CONFIG_SOC_AM33XX
490 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
493 #ifdef CONFIG_ARCH_OMAP4
494 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
495 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
497 #ifdef CONFIG_SOC_OMAP5
498 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata),
499 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata),
501 #ifdef CONFIG_SOC_DRA7XX
502 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
504 #ifdef CONFIG_SOC_AM43XX
505 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
506 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
509 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
510 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
512 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
519 * Few boards still need to initialize some legacy devices with
520 * platform data until the drivers support device tree.
522 static struct pdata_init pdata_quirks[] __initdata = {
523 #ifdef CONFIG_ARCH_OMAP3
524 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
525 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
526 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
527 { "nokia,omap3-n900", nokia_n900_legacy_init, },
528 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
529 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
530 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
531 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
532 { "logicpd,dm3730-torpedo-devkit", omap3_gpio126_127_129, },
533 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
534 { "ti,am3517-evm", am3517_evm_legacy_init, },
535 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
536 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
537 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
539 #ifdef CONFIG_SOC_TI81XX
540 { "hp,t410", t410_abort_init, },
542 #ifdef CONFIG_SOC_OMAP5
543 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
548 static void pdata_quirks_check(struct pdata_init *quirks)
550 while (quirks->compatible) {
551 if (of_machine_is_compatible(quirks->compatible)) {
560 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
562 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);