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omap: zoom: add fixed regulator device for wlan

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

Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ohad Ben-Cohen 2010-09-16 01:32:09 +02:00 • committed by John W. Linville
parent 15cea99306
commit b642fde7f1
1 changed files with 35 additions and 0 deletions
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35
arch/arm/mach-omap2/board-zoom-peripherals.c
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@ -16,6 +16,7 @@
#include <linux/gpio.h> #include <linux/gpio.h>
#include <linux/i2c/twl.h> #include <linux/i2c/twl.h>
#include <linux/regulator/machine.h> #include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <asm/mach-types.h> #include <asm/mach-types.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
@ -27,6 +28,8 @@
#include "mux.h" #include "mux.h"
#include "hsmmc.h" #include "hsmmc.h"
#define OMAP_ZOOM_WLAN_PMENA_GPIO (101)
/* Zoom2 has Qwerty keyboard*/ /* Zoom2 has Qwerty keyboard*/
static int board_keymap[] = { static int board_keymap[] = {
KEY(0, 0, KEY_E), KEY(0, 0, KEY_E),
@ -106,6 +109,11 @@ static struct regulator_consumer_supply zoom_vmmc2_supply = {
.supply = "vmmc", .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 */ /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
static struct regulator_init_data zoom_vmmc1 = { static struct regulator_init_data zoom_vmmc1 = {
.constraints = { .constraints = {
@ -151,6 +159,32 @@ static struct regulator_init_data zoom_vsim = {
.consumer_supplies = &zoom_vsim_supply, .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 = { static struct omap2_hsmmc_info mmc[] __initdata = {
{ {
.name = "external", .name = "external",
@ -280,6 +314,7 @@ static void enable_board_wakeup_source(void)
void __init zoom_peripherals_init(void) void __init zoom_peripherals_init(void)
{ {
omap_i2c_init(); omap_i2c_init();
platform_device_register(&omap_vwlan_device);
usb_musb_init(&musb_board_data); usb_musb_init(&musb_board_data);
enable_board_wakeup_source(); enable_board_wakeup_source();
} }