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Commit edc84061 authored by Panduranga Mallireddy's avatar Panduranga Mallireddy Committed by Tony Lindgren
Browse files

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: default avatarPanduranga Mallireddy <panduranga_mallireddy@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent cdc43482

arch/arm/mach-omap2/board-omap4panda.c

+34 −0
Original line number Diff line number Diff line
@@ -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();