diff options
| author | Panduranga Mallireddy <panduranga_mallireddy@ti.com> | 2011-02-15 03:40:34 -0500 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2011-02-22 08:37:03 -0800 |
| commit | edc840613c0fff590cad2deafdeffe6ea51405f7 (patch) | |
| tree | 7a176aacbea77c8dd420764b2304b3c2e0e08a69 | |
| parent | cdc43482713d0af97d30d9b5d3c53b18fcec5d35 (diff) | |
omap: panda: add fixed regulator device for wlan
Add a fixed regulator vmmc device to enable power control
of the wl1271 wlan device.
Based on the patch for zoom by Ohad Ben-Cohen <ohad@wizery.com>
Signed-off-by: Panduranga Mallireddy <panduranga_mallireddy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
| -rw-r--r-- | arch/arm/mach-omap2/board-omap4panda.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index 9f4f86e73cea..d56bef15d3c5 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -26,6 +26,7 @@ #include <linux/usb/otg.h> #include <linux/i2c/twl.h> #include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <mach/hardware.h> #include <mach/omap4-common.h> @@ -45,6 +46,7 @@ #define GPIO_HUB_POWER 1 #define GPIO_HUB_NRESET 62 +#define GPIO_WIFI_PMENA 43 static struct gpio_led gpio_leds[] = { { @@ -171,6 +173,37 @@ static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = { }, }; +static struct regulator_consumer_supply omap4_panda_vmmc5_supply = { + .supply = "vmmc", + .dev_name = "mmci-omap-hs.4", +}; + +static struct regulator_init_data panda_vmmc5 = { + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &omap4_panda_vmmc5_supply, +}; + +static struct fixed_voltage_config panda_vwlan = { + .supply_name = "vwl1271", + .microvolts = 1800000, /* 1.8V */ + .gpio = GPIO_WIFI_PMENA, + .startup_delay = 70000, /* 70msec */ + .enable_high = 1, + .enabled_at_boot = 0, + .init_data = &panda_vmmc5, +}; + +static struct platform_device omap_vwlan_device = { + .name = "reg-fixed-voltage", + .id = 1, + .dev = { + .platform_data = &panda_vwlan, + }, +}; + static int omap4_twl6030_hsmmc_late_init(struct device *dev) { int ret = 0; @@ -416,6 +449,7 @@ static void __init omap4_panda_init(void) omap4_panda_i2c_init(); platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices)); + platform_device_register(&omap_vwlan_device); omap_serial_init(); omap4_twl6030_hsmmc_init(mmc); omap4_ehci_init(); |