diff options
Diffstat (limited to 'kernel/arch/arm/mach-omap2/pdata-quirks.c')
| -rw-r--r-- | kernel/arch/arm/mach-omap2/pdata-quirks.c | 165 |
1 files changed, 161 insertions, 4 deletions
diff --git a/kernel/arch/arm/mach-omap2/pdata-quirks.c b/kernel/arch/arm/mach-omap2/pdata-quirks.c index af11511dd..58144779d 100644 --- a/kernel/arch/arm/mach-omap2/pdata-quirks.c +++ b/kernel/arch/arm/mach-omap2/pdata-quirks.c @@ -14,9 +14,15 @@ #include <linux/kernel.h> #include <linux/of_platform.h> #include <linux/ti_wilink_st.h> +#include <linux/wl12xx.h> +#include <linux/mmc/card.h> +#include <linux/mmc/host.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/platform_data/pinctrl-single.h> #include <linux/platform_data/iommu-omap.h> +#include <linux/platform_data/wkup_m3.h> #include "common.h" #include "common-board-devices.h" @@ -25,13 +31,14 @@ #include "omap_device.h" #include "omap-secure.h" #include "soc.h" +#include "hsmmc.h" struct pdata_init { const char *compatible; void (*fn)(void); }; -struct of_dev_auxdata omap_auxdata_lookup[]; +static struct of_dev_auxdata omap_auxdata_lookup[]; static struct twl4030_gpio_platform_data twl_gpio_auxdata; #ifdef CONFIG_MACH_NOKIA_N8X0 @@ -44,6 +51,27 @@ static void __init omap2420_n8x0_legacy_init(void) #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; @@ -107,7 +135,7 @@ static void __init omap3_sbc_t3530_legacy_init(void) omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub"); } -struct ti_st_plat_data wilink_pdata = { +static struct ti_st_plat_data wilink_pdata = { .nshutdown_gpio = 137, .dev_name = "/dev/ttyO1", .flow_cntrl = 1, @@ -247,6 +275,111 @@ static void __init omap3_tao3530_legacy_init(void) { hsmmc2_internal_input_clk(); } + +/* 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) @@ -257,6 +390,14 @@ static struct iommu_platform_data omap4_iommu_pdata = { }; #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) { @@ -302,7 +443,7 @@ static struct pdata_init auxdata_quirks[] __initdata = { { /* sentinel */ }, }; -struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { +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), @@ -319,6 +460,10 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { 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), @@ -332,6 +477,8 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { #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 defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu", @@ -356,9 +503,12 @@ static struct pdata_init pdata_quirks[] __initdata = { { "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_gpio126_127_129, }, { "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, }, @@ -380,7 +530,14 @@ static void pdata_quirks_check(struct pdata_init *quirks) void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table) { - omap_sdrc_init(NULL, NULL); + /* + * 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); |