From: Jonas Zetterberg <jozz@xxxxxxx>
Enabled VMMC2 LDO voltage regulator on TWL4030.
Added GPIO's (power down and reset) for WIFI chip.
Signed-off-by: Anders Hedlund <anders.j.hedlund@xxxxxxxxx>
Signed-off-by: Jonas Zetterberg <jozz@xxxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/mach-omap2/board-igep0020.c | 40 ++++++++++++++++++++++++++++++++++
1 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 3d1fde7..4a5d663 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -42,6 +42,8 @@
#define IGEP2_GPIO_LED0_GREEN 27
#define IGEP2_GPIO_LED1_RED 28
#define IGEP2_GPIO_DVI_PUP 170
+#define IGEP2_GPIO_WIFI_NPD 94
+#define IGEP2_GPIO_WIFI_NRESET 95
#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
@@ -209,6 +211,10 @@ static struct regulator_consumer_supply igep2_vmmc1_supply = {
.supply = "vmmc",
};
+static struct regulator_consumer_supply igep2_vmmc2_supply = {
+ .supply = "vmmc",
+};
+
/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
static struct regulator_init_data igep2_vmmc1 = {
.constraints = {
@@ -224,6 +230,21 @@ static struct regulator_init_data igep2_vmmc1 = {
.consumer_supplies = &igep2_vmmc1_supply,
};
+/* VMMC2 for OMAP VDD_MMC2 (i/o) and MMC2 WIFI */
+static struct regulator_init_data igep2_vmmc2 = {
+ .constraints = {
+ .min_uV = 1850000,
+ .max_uV = 3150000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
+ | REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &igep2_vmmc2_supply,
+};
+
static struct omap2_hsmmc_info mmc[] = {
{
.mmc = 1,
@@ -251,6 +272,7 @@ static int igep2_twl_gpio_setup(struct device *dev,
* regulators will be set up only *after* we return.
*/
igep2_vmmc1_supply.dev = mmc[0].dev;
+ igep2_vmmc2_supply.dev = mmc[1].dev;
return 0;
};
@@ -364,6 +386,7 @@ static struct twl4030_platform_data igep2_twldata = {
.codec = &igep2_codec_data,
.gpio = &igep2_gpio_data,
.vmmc1 = &igep2_vmmc1,
+ .vmmc2 = &igep2_vmmc2,
.vpll2 = &igep2_vpll2,
};
@@ -440,6 +463,23 @@ static void __init igep2_init(void)
gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
} else
pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
+
+ /* GPIO W-LAN + Bluetooth combo module */
+ if ((gpio_request(IGEP2_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) &&
+ (gpio_direction_output(IGEP2_GPIO_WIFI_NPD, 1) == 0)) {
+ gpio_export(IGEP2_GPIO_WIFI_NPD, 0);
+/* gpio_set_value(IGEP2_GPIO_WIFI_NPD, 0); */
+ } else
+ pr_warning("IGEP v2: Could not obtain gpio GPIO_WIFI_NPD\n");
+
+ if ((gpio_request(IGEP2_GPIO_WIFI_NRESET, "GPIO_WIFI_NRESET") == 0) &&
+ (gpio_direction_output(IGEP2_GPIO_WIFI_NRESET, 1) == 0)) {
+ gpio_export(IGEP2_GPIO_WIFI_NRESET, 0);
+ gpio_set_value(IGEP2_GPIO_WIFI_NRESET, 0);
+ udelay(10);
+ gpio_set_value(IGEP2_GPIO_WIFI_NRESET, 1);
+ } else
+ pr_warning("IGEP v2: Could not obtain gpio GPIO_WIFI_NRESET\n");
}
static void __init igep2_map_io(void)
--
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