/* * Legacy platform_data quirks * * Copyright (C) 2013 Texas Instruments * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "common.h" #include "common-board-devices.h" #include "dss-common.h" #include "control.h" #include "omap_device.h" #include "omap-pm.h" #include "omap-secure.h" #include "soc.h" #include "hsmmc.h" static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2]; struct pdata_init { const char *compatible; void (*fn)(void); }; static struct of_dev_auxdata omap_auxdata_lookup[]; static struct twl4030_gpio_platform_data twl_gpio_auxdata; #ifdef CONFIG_MACH_NOKIA_N8X0 static void __init omap2420_n8x0_legacy_init(void) { omap_auxdata_lookup[0].platform_data = n8x0_legacy_init(); } #else #define omap2420_n8x0_legacy_init NULL #endif #ifdef CONFIG_ARCH_OMAP3 /* * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V * mode for MMC1 in case bootloader did not configure things. * Note that if the pins are used for MMC1, pbias-regulator * manages the IO voltage. */ static void __init omap3_gpio126_127_129(void) { u32 reg; reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE); reg &= ~OMAP343X_PBIASLITEVMODE1; reg |= OMAP343X_PBIASLITEPWRDNZ1; omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE); if (cpu_is_omap3630()) { reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL); reg |= OMAP36XX_GPIO_IO_PWRDNZ; omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL); } } static void __init hsmmc2_internal_input_clk(void) { u32 reg; reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1); reg |= OMAP2_MMCSDIO2ADPCLKISEL; omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1); } static struct iommu_platform_data omap3_iommu_pdata = { .reset_name = "mmu", .assert_reset = omap_device_assert_hardreset, .deassert_reset = omap_device_deassert_hardreset, }; static int omap3_sbc_t3730_twl_callback(struct device *dev, unsigned gpio, unsigned ngpio) { int res; res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH, "wlan pwr"); if (res) return res; gpio_export(gpio, 0); return 0; } static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name) { int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name); if (err) { pr_err("SBC-T3x: %s reset gpio request failed: %d\n", hub_name, err); return; } gpio_export(gpio, 0); udelay(10); gpio_set_value(gpio, 1); msleep(1); } static void __init omap3_sbc_t3730_twl_init(void) { twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback; } static void __init omap3_sbc_t3730_legacy_init(void) { omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub"); } static void __init omap3_sbc_t3530_legacy_init(void) { omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub"); } static struct ti_st_plat_data wilink_pdata = { .nshutdown_gpio = 137, .dev_name = "/dev/ttyO1", .flow_cntrl = 1, .baud_rate = 300000, }; static struct platform_device wl18xx_device = { .name = "kim", .id = -1, .dev = { .platform_data = &wilink_pdata, } }; static struct ti_st_plat_data wilink7_pdata = { .nshutdown_gpio = 162, .dev_name = "/dev/ttyO1", .flow_cntrl = 1, .baud_rate = 300000, }; static struct platform_device wl128x_device = { .name = "kim", .id = -1, .dev = { .platform_data = &wilink7_pdata, } }; static struct platform_device btwilink_device = { .name = "btwilink", .id = -1, }; static void __init omap3_igep0020_rev_f_legacy_init(void) { platform_device_register(&wl18xx_device); platform_device_register(&btwilink_device); } static void __init omap3_igep0030_rev_g_legacy_init(void) { platform_device_register(&wl18xx_device); platform_device_register(&btwilink_device); } static void __init omap3_evm_legacy_init(void) { hsmmc2_internal_input_clk(); } static void am35xx_enable_emac_int(void) { u32 v; v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR | AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR); omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR); omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */ } static void am35xx_disable_emac_int(void) { u32 v; v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR); omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR); omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */ } static struct emac_platform_data am35xx_emac_pdata = { .interrupt_enable = am35xx_enable_emac_int, .interrupt_disable = am35xx_disable_emac_int, }; static void __init am35xx_emac_reset(void) { u32 v; v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); v &= ~AM35XX_CPGMACSS_SW_RST; omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET); omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */ } static struct gpio cm_t3517_wlan_gpios[] __initdata = { { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" }, { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" }, }; static void __init omap3_sbc_t3517_wifi_init(void) { int err = gpio_request_array(cm_t3517_wlan_gpios, ARRAY_SIZE(cm_t3517_wlan_gpios)); if (err) { pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err); return; } gpio_export(cm_t3517_wlan_gpios[0].gpio, 0); gpio_export(cm_t3517_wlan_gpios[1].gpio, 0); msleep(100); gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0); } static void __init omap3_sbc_t3517_legacy_init(void) { omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub"); omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub"); am35xx_emac_reset(); hsmmc2_internal_input_clk(); omap3_sbc_t3517_wifi_init(); } static void __init am3517_evm_legacy_init(void) { am35xx_emac_reset(); } static struct platform_device omap3_rom_rng_device = { .name = "omap3-rom-rng", .id = -1, .dev = { .platform_data = rx51_secure_rng_call, }, }; static struct platform_device rx51_lirc_device; static void __init nokia_n900_legacy_init(void) { hsmmc2_internal_input_clk(); mmc_pdata[0].name = "external"; mmc_pdata[1].name = "internal"; if (omap_type() == OMAP2_DEVICE_TYPE_SEC) { if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) { pr_info("RX-51: Enabling ARM errata 430973 workaround\n"); /* set IBE to 1 */ rx51_secure_update_aux_cr(BIT(6), 0); } else { pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n"); pr_warn("Thumb binaries may crash randomly without this workaround\n"); } pr_info("RX-51: Registering OMAP3 HWRNG device\n"); platform_device_register(&omap3_rom_rng_device); } platform_device_register(&rx51_lirc_device); } static void __init omap3_tao3530_legacy_init(void) { hsmmc2_internal_input_clk(); } static void __init omap3_logicpd_torpedo_init(void) { omap3_gpio126_127_129(); platform_device_register(&wl128x_device); platform_device_register(&btwilink_device); } /* omap3pandora legacy devices */ #define PANDORA_WIFI_IRQ_GPIO 21 #define PANDORA_WIFI_NRESET_GPIO 23 static struct platform_device pandora_backlight = { .name = "pandora-backlight", .id = -1, }; static struct regulator_consumer_supply pandora_vmmc3_supply[] = { REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"), }; static struct regulator_init_data pandora_vmmc3 = { .constraints = { .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(pandora_vmmc3_supply), .consumer_supplies = pandora_vmmc3_supply, }; static struct fixed_voltage_config pandora_vwlan = { .supply_name = "vwlan", .microvolts = 1800000, /* 1.8V */ .gpio = PANDORA_WIFI_NRESET_GPIO, .startup_delay = 50000, /* 50ms */ .enable_high = 1, .init_data = &pandora_vmmc3, }; static struct platform_device pandora_vwlan_device = { .name = "reg-fixed-voltage", .id = 1, .dev = { .platform_data = &pandora_vwlan, }, }; static void pandora_wl1251_init_card(struct mmc_card *card) { /* * We have TI wl1251 attached to MMC3. Pass this information to * SDIO core because it can't be probed by normal methods. */ if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) { card->quirks |= MMC_QUIRK_NONSTD_SDIO; card->cccr.wide_bus = 1; card->cis.vendor = 0x104c; card->cis.device = 0x9066; card->cis.blksize = 512; card->cis.max_dtr = 24000000; card->ocr = 0x80; } } static struct omap2_hsmmc_info pandora_mmc3[] = { { .mmc = 3, .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD, .gpio_cd = -EINVAL, .gpio_wp = -EINVAL, .init_card = pandora_wl1251_init_card, }, {} /* Terminator */ }; static void __init pandora_wl1251_init(void) { struct wl1251_platform_data pandora_wl1251_pdata; int ret; memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata)); pandora_wl1251_pdata.power_gpio = -1; ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq"); if (ret < 0) goto fail; pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO); if (pandora_wl1251_pdata.irq < 0) goto fail_irq; pandora_wl1251_pdata.use_eeprom = true; ret = wl1251_set_platform_data(&pandora_wl1251_pdata); if (ret < 0) goto fail_irq; return; fail_irq: gpio_free(PANDORA_WIFI_IRQ_GPIO); fail: pr_err("wl1251 board initialisation failed\n"); } static void __init omap3_pandora_legacy_init(void) { platform_device_register(&pandora_backlight); platform_device_register(&pandora_vwlan_device); omap_hsmmc_init(pandora_mmc3); omap_hsmmc_late_init(pandora_mmc3); pandora_wl1251_init(); } #endif /* CONFIG_ARCH_OMAP3 */ #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) static struct iommu_platform_data omap4_iommu_pdata = { .reset_name = "mmu_cache", .assert_reset = omap_device_assert_hardreset, .deassert_reset = omap_device_deassert_hardreset, }; #endif #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) static struct wkup_m3_platform_data wkup_m3_data = { .reset_name = "wkup_m3", .assert_reset = omap_device_assert_hardreset, .deassert_reset = omap_device_deassert_hardreset, }; #endif #ifdef CONFIG_SOC_OMAP5 static void __init omap5_uevm_legacy_init(void) { } #endif static struct pcs_pdata pcs_pdata; void omap_pcs_legacy_init(int irq, void (*rearm)(void)) { pcs_pdata.irq = irq; pcs_pdata.rearm = rearm; } /* * GPIOs for TWL are initialized by the I2C bus and need custom * handing until DSS has device tree bindings. */ void omap_auxdata_legacy_init(struct device *dev) { if (dev->platform_data) return; if (strcmp("twl4030-gpio", dev_name(dev))) return; dev->platform_data = &twl_gpio_auxdata; } /* Dual mode timer PWM callbacks platdata */ #if IS_ENABLED(CONFIG_OMAP_DM_TIMER) static struct pwm_omap_dmtimer_pdata pwm_dmtimer_pdata = { .request_by_node = omap_dm_timer_request_by_node, .request_specific = omap_dm_timer_request_specific, .request = omap_dm_timer_request, .set_source = omap_dm_timer_set_source, .get_irq = omap_dm_timer_get_irq, .set_int_enable = omap_dm_timer_set_int_enable, .set_int_disable = omap_dm_timer_set_int_disable, .free = omap_dm_timer_free, .enable = omap_dm_timer_enable, .disable = omap_dm_timer_disable, .get_fclk = omap_dm_timer_get_fclk, .start = omap_dm_timer_start, .stop = omap_dm_timer_stop, .set_load = omap_dm_timer_set_load, .set_match = omap_dm_timer_set_match, .set_pwm = omap_dm_timer_set_pwm, .set_prescaler = omap_dm_timer_set_prescaler, .read_counter = omap_dm_timer_read_counter, .write_counter = omap_dm_timer_write_counter, .read_status = omap_dm_timer_read_status, .write_status = omap_dm_timer_write_status, }; #endif static struct lirc_rx51_platform_data __maybe_unused rx51_lirc_data = { .set_max_mpu_wakeup_lat = omap_pm_set_max_mpu_wakeup_lat, .pwm_timer = 9, /* Use GPT 9 for CIR */ #if IS_ENABLED(CONFIG_OMAP_DM_TIMER) .dmtimer = &pwm_dmtimer_pdata, #endif }; static struct platform_device __maybe_unused rx51_lirc_device = { .name = "lirc_rx51", .id = -1, .dev = { .platform_data = &rx51_lirc_data, }, }; /* * Few boards still need auxdata populated before we populate * the dev entries in of_platform_populate(). */ static struct pdata_init auxdata_quirks[] __initdata = { #ifdef CONFIG_SOC_OMAP2420 { "nokia,n800", omap2420_n8x0_legacy_init, }, { "nokia,n810", omap2420_n8x0_legacy_init, }, { "nokia,n810-wimax", omap2420_n8x0_legacy_init, }, #endif #ifdef CONFIG_ARCH_OMAP3 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, }, #endif { /* sentinel */ }, }; static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { #ifdef CONFIG_MACH_NOKIA_N8X0 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL), OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data), OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data), #endif #ifdef CONFIG_ARCH_OMAP3 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata), OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata), OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata), OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu", &omap3_iommu_pdata), OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]), OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]), /* Only on am3517 */ OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL), OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0", &am35xx_emac_pdata), #endif #ifdef CONFIG_SOC_AM33XX OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3", &wkup_m3_data), #endif #ifdef CONFIG_ARCH_OMAP4 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata), OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata), #endif #ifdef CONFIG_SOC_OMAP5 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata), OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata), #endif #ifdef CONFIG_SOC_DRA7XX OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata), #endif #ifdef CONFIG_SOC_AM43XX OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata), OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3", &wkup_m3_data), #endif #if IS_ENABLED(CONFIG_OMAP_DM_TIMER) OF_DEV_AUXDATA("ti,omap-dmtimer-pwm", 0, NULL, &pwm_dmtimer_pdata), #endif #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu", &omap4_iommu_pdata), OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu", &omap4_iommu_pdata), #endif { /* sentinel */ }, }; /* * Few boards still need to initialize some legacy devices with * platform data until the drivers support device tree. */ static struct pdata_init pdata_quirks[] __initdata = { #ifdef CONFIG_ARCH_OMAP3 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, }, { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, }, { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, }, { "nokia,omap3-n900", nokia_n900_legacy_init, }, { "nokia,omap3-n9", hsmmc2_internal_input_clk, }, { "nokia,omap3-n950", hsmmc2_internal_input_clk, }, { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, }, { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, }, { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, }, { "ti,omap3-evm-37xx", omap3_evm_legacy_init, }, { "ti,am3517-evm", am3517_evm_legacy_init, }, { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, }, { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, }, { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, }, #endif #ifdef CONFIG_SOC_OMAP5 { "ti,omap5-uevm", omap5_uevm_legacy_init, }, #endif { /* sentinel */ }, }; static void pdata_quirks_check(struct pdata_init *quirks) { while (quirks->compatible) { if (of_machine_is_compatible(quirks->compatible)) { if (quirks->fn) quirks->fn(); break; } quirks++; } } void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table) { /* * We still need this for omap2420 and omap3 PM to work, others are * using drivers/misc/sram.c already. */ if (of_machine_is_compatible("ti,omap2420") || of_machine_is_compatible("ti,omap3")) omap_sdrc_init(NULL, NULL); pdata_quirks_check(auxdata_quirks); of_platform_populate(NULL, omap_dt_match_table, omap_auxdata_lookup, NULL); pdata_quirks_check(pdata_quirks); }