diff options
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3evm.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index c2a0fca4aa53..ac50bf949447 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -30,6 +30,8 @@ #include <linux/usb/otg.h> #include <linux/smsc911x.h> +#include <linux/wl12xx.h> +#include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> #include <linux/mmc/host.h> @@ -381,6 +383,16 @@ static struct omap2_hsmmc_info mmc[] = { .gpio_cd = -EINVAL, .gpio_wp = 63, }, +#ifdef CONFIG_WL12XX_PLATFORM_DATA + { + .name = "wl1271", + .mmc = 2, + .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD, + .gpio_wp = -EINVAL, + .gpio_cd = -EINVAL, + .nonremovable = true, + }, +#endif {} /* Terminator */ }; @@ -538,6 +550,50 @@ static struct regulator_init_data omap3_evm_vpll2 = { .consumer_supplies = &omap3_evm_vpll2_supply, }; +#ifdef CONFIG_WL12XX_PLATFORM_DATA + +#define OMAP3EVM_WLAN_PMENA_GPIO (150) +#define OMAP3EVM_WLAN_IRQ_GPIO (149) + +static struct regulator_consumer_supply omap3evm_vmmc2_supply = { + .supply = "vmmc", + .dev_name = "mmci-omap-hs.1", +}; + +/* VMMC2 for driving the WL12xx module */ +static struct regulator_init_data omap3evm_vmmc2 = { + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &omap3evm_vmmc2_supply, +}; + +static struct fixed_voltage_config omap3evm_vwlan = { + .supply_name = "vwl1271", + .microvolts = 1800000, /* 1.80V */ + .gpio = OMAP3EVM_WLAN_PMENA_GPIO, + .startup_delay = 70000, /* 70ms */ + .enable_high = 1, + .enabled_at_boot = 0, + .init_data = &omap3evm_vmmc2, +}; + +static struct platform_device omap3evm_vwlan_device = { + .name = "reg-fixed-voltage", + .id = 1, + .dev = { + .platform_data = &omap3evm_vwlan, + }, +}; + +struct wl12xx_platform_data omap3evm_wlan_data __initdata = { + .irq = OMAP_GPIO_IRQ(OMAP3EVM_WLAN_IRQ_GPIO), + /* ref clock is 38.4 MHz */ + .board_ref_clock = 2, +}; +#endif + static struct twl4030_platform_data omap3evm_twldata = { .irq_base = TWL4030_IRQ_BASE, .irq_end = TWL4030_IRQ_END, @@ -657,6 +713,21 @@ static struct omap_board_mux board_mux[] __initdata = { OMAP_PIN_OFF_WAKEUPENABLE), OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW), +#ifdef CONFIG_WL12XX_PLATFORM_DATA + /* WLAN IRQ - GPIO 149 */ + OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP), + + /* WLAN POWER ENABLE - GPIO 150 */ + OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), + + /* MMC2 SDIO pin muxes for WL12xx */ + OMAP3_MUX(SDMMC2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), + OMAP3_MUX(SDMMC2_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), +#endif { .reg_offset = OMAP_MUX_TERMINATOR }, }; #endif @@ -714,6 +785,13 @@ static void __init omap3_evm_init(void) ads7846_dev_init(); omap3evm_init_smsc911x(); omap3_evm_display_init(); + +#ifdef CONFIG_WL12XX_PLATFORM_DATA + /* WL12xx WLAN Init */ + if (wl12xx_set_platform_data(&omap3evm_wlan_data)) + pr_err("error setting wl12xx data\n"); + platform_device_register(&omap3evm_vwlan_device); +#endif } MACHINE_START(OMAP3EVM, "OMAP3 EVM") |