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Commit b642fde7 authored by Ohad Ben-Cohen's avatar Ohad Ben-Cohen Committed by John W. Linville
Browse files

omap: zoom: add fixed regulator device for wlan 



Add a fixed regulator vmmc device to enable power control
of the wl1271 wlan device.

Signed-off-by: default avatarOhad Ben-Cohen <ohad@wizery.com>
Acked-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 15cea993

arch/arm/mach-omap2/board-zoom-peripherals.c

+35 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/gpio.h>

#include <linux/i2c/twl.h>

#include <linux/regulator/machine.h>

#include <linux/regulator/fixed.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>
@@ -27,6 +28,8 @@ 
#include "mux.h"

#include "hsmmc.h"



#define OMAP_ZOOM_WLAN_PMENA_GPIO	(101)



/* Zoom2 has Qwerty keyboard*/

static int board_keymap[] = {

	KEY(0, 0, KEY_E),
@@ -106,6 +109,11 @@ static struct regulator_consumer_supply zoom_vmmc2_supply = { 
	.supply		= "vmmc",

};



static struct regulator_consumer_supply zoom_vmmc3_supply = {

	.supply		= "vmmc",

	.dev_name	= "mmci-omap-hs.2",

};



/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */

static struct regulator_init_data zoom_vmmc1 = {

	.constraints = {
@@ -151,6 +159,32 @@ static struct regulator_init_data zoom_vsim = { 
	.consumer_supplies      = &zoom_vsim_supply,

};



static struct regulator_init_data zoom_vmmc3 = {

	.constraints = {

		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,

	},

	.num_consumer_supplies	= 1,

	.consumer_supplies = &zoom_vmmc3_supply,

};



static struct fixed_voltage_config zoom_vwlan = {

	.supply_name		= "vwl1271",

	.microvolts		= 1800000, /* 1.8V */

	.gpio			= OMAP_ZOOM_WLAN_PMENA_GPIO,

	.startup_delay		= 70000, /* 70msec */

	.enable_high		= 1,

	.enabled_at_boot	= 0,

	.init_data		= &zoom_vmmc3,

};



static struct platform_device omap_vwlan_device = {

	.name		= "reg-fixed-voltage",

	.id		= 1,

	.dev = {

		.platform_data	= &zoom_vwlan,

	},

};



static struct omap2_hsmmc_info mmc[] __initdata = {

	{

		.name		= "external",
@@ -280,6 +314,7 @@ static void enable_board_wakeup_source(void) 
void __init zoom_peripherals_init(void)

{

	omap_i2c_init();

	platform_device_register(&omap_vwlan_device);

	usb_musb_init(&musb_board_data);

	enable_board_wakeup_source();

}