mach-ux500: reg: Add snowball wlan regulator

Add snowball wlan regulator to regulators
and add the device to snowball.

ST-Ericsson Linux next: 340134
ST-Ericsson ID: 340139
ST-Ericsson FOSS-OUT ID: Trivial

Signed-off-by: Robert Marklund <robert.marklund@stericsson.com>
Change-Id: I80aef0e8d005822bbd7c23f226155b5404292d5a
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/24085
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>

3 files changed, 44 insertions, 0 deletions

diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c
index 343a0826d6c..2a83cb62889 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.c
+++ b/arch/arm/mach-ux500/board-mop500-regulators.c
@@ -21,6 +21,27 @@
 #endif
 
 /*
+ * GPIO regulator controlled by the ab8500 GPIO16
+ */
+static struct regulator_consumer_supply gpio_wlan_vbat_consumers[] = {
+	/* for cg2900 chip */
+	REGULATOR_SUPPLY("vdd", "cg2900-uart.0"),
+	/* for cw1200 chip */
+	REGULATOR_SUPPLY("vdd", "cw1200_wlan"),
+};
+
+struct regulator_init_data gpio_wlan_vbat_regulator = {
+	.constraints = {
+		.name = "WLAN-VBAT",
+		.min_uV = 3600000,
+		.max_uV = 3600000,
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies = ARRAY_SIZE(gpio_wlan_vbat_consumers),
+	.consumer_supplies = gpio_wlan_vbat_consumers,
+};
+
+/*
  * TPS61052 regulator
  */
 static struct regulator_consumer_supply tps61052_vaudio_consumers[] = {
diff --git a/arch/arm/mach-ux500/board-mop500-regulators.h b/arch/arm/mach-ux500/board-mop500-regulators.h
index 94992158d96..d8c5694a35d 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.h
+++ b/arch/arm/mach-ux500/board-mop500-regulators.h
@@ -18,5 +18,6 @@ extern struct ab8500_regulator_reg_init
 ab8500_regulator_reg_init[AB8500_NUM_REGULATOR_REGISTERS];
 extern struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS];
 extern struct regulator_init_data tps61052_regulator;
+extern struct regulator_init_data gpio_wlan_vbat_regulator;
 
 #endif
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 72e94a3aa66..d2e50e9709a 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -25,6 +25,7 @@
 #include <linux/mfd/tc3589x.h>
 #include <linux/mfd/tps6105x.h>
 #include <linux/mfd/ab8500/gpio.h>
+#include <linux/regulator/fixed.h>
 #include <linux/leds-lp5521.h>
 #include <linux/input.h>
 #include <linux/smsc911x.h>
@@ -266,6 +267,18 @@ static struct tps6105x_platform_data mop500_tps61052_data = {
 };
 
 /*
+ * GPIO-regulator wlan vbat data
+ */
+
+static struct fixed_voltage_config snowball_gpio_wlan_vbat_data = {
+	.supply_name 		= "WLAN-VBAT",
+	.gpio			= SNOWBALL_EN_3V6_GPIO,
+	.microvolts		= 3600000,
+	.enable_high		= 1,
+	.init_data		= &gpio_wlan_vbat_regulator,
+};
+
+/*
  * TC35892
  */
 
@@ -456,6 +469,14 @@ static struct platform_device mop500_gpio_keys_device = {
 	},
 };
 
+static struct platform_device snowball_gpio_wlan_vbat_regulator_device = {
+	.name	= "reg-fixed-voltage",
+	.id	= 0,
+	.dev	= {
+		.platform_data	= &snowball_gpio_wlan_vbat_data,
+	},
+};
+
 static int mop500_sensors1p_activate(struct device *dev)
 {
 	sensors1p_regulator = regulator_get(&mop500_gpio_keys_device.dev,
@@ -819,6 +840,7 @@ static struct platform_device *snowball_platform_devs[] __initdata = {
 	&snowball_key_dev,
 	&snowball_sbnet_dev,
 	&ab8500_device,
+	&snowball_gpio_wlan_vbat_regulator_device,
 	&ux500_hwmem_device,
 	&u8500_mcde_device,
 	&u8500_b2r2_device,