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@xxxxxxxxxx>
Signed-off-by: Panduranga Mallireddy <panduranga_mallireddy@xxxxxx>
---
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 cc9df6c..cd25255 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[] = {
{
@@ -172,6 +174,37 @@ 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;
@@ -430,6 +463,7 @@ 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 Panda uses internal transceiver so register nop transceiver */
--
1.5.6.3
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