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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>
This commit is contained in:
Panduranga Mallireddy 2011-02-15 03:40:34 -05:00 committed by Tony Lindgren
parent cdc4348271
commit edc840613c
1 changed files with 34 additions and 0 deletions
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34
arch/arm/mach-omap2/board-omap4panda.c
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@ -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();