ARM: tegra: paz00: enable rfkill for internal wifi card

This patch adds support for controlling the rfkill gpios for the
internal WIFI card via the rfkill_gpio driver.
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/mach-tegra/board-paz00-pinmux.c

@@ -145,6 +145,8 @@ static struct tegra_gpio_table gpio_table[] = {
 	{ .gpio = TEGRA_GPIO_SD1_WP,	.enable = true },
 	{ .gpio = TEGRA_GPIO_SD1_POWER,	.enable = true },
 	{ .gpio = TEGRA_ULPI_RST,	.enable = true },
+	{ .gpio = TEGRA_WIFI_PWRN,	.enable = true },
+	{ .gpio = TEGRA_WIFI_RST,	.enable = true },
 };
 
 void paz00_pinmux_init(void)

arch/arm/mach-tegra/board-paz00.c

@@ -26,6 +26,7 @@
 #include <linux/pda_power.h>
 #include <linux/io.h>
 #include <linux/i2c.h>
+#include <linux/rfkill-gpio.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -75,10 +76,26 @@ static struct platform_device debug_uart = {
 	},
 };
 
+static struct rfkill_gpio_platform_data wifi_rfkill_platform_data = {
+	.name		= "wifi_rfkill",
+	.reset_gpio	= TEGRA_WIFI_RST,
+	.shutdown_gpio	= TEGRA_WIFI_PWRN,
+	.type	= RFKILL_TYPE_WLAN,
+};
+
+static struct platform_device wifi_rfkill_device = {
+	.name	= "rfkill_gpio",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &wifi_rfkill_platform_data,
+	},
+};
+
 static struct platform_device *paz00_devices[] __initdata = {
 	&debug_uart,
 	&tegra_sdhci_device1,
 	&tegra_sdhci_device4,
+	&wifi_rfkill_device,
 };
 
 static void paz00_i2c_init(void)

arch/arm/mach-tegra/board-paz00.h

@@ -17,11 +17,18 @@
 #ifndef _MACH_TEGRA_BOARD_PAZ00_H
 #define _MACH_TEGRA_BOARD_PAZ00_H
 
+/* SDCARD */
 #define TEGRA_GPIO_SD1_CD	TEGRA_GPIO_PV5
 #define TEGRA_GPIO_SD1_WP	TEGRA_GPIO_PH1
 #define TEGRA_GPIO_SD1_POWER	TEGRA_GPIO_PT3
+
+/* ULPI */
 #define TEGRA_ULPI_RST		TEGRA_GPIO_PV0
 
+/* WIFI */
+#define TEGRA_WIFI_PWRN		TEGRA_GPIO_PK5
+#define TEGRA_WIFI_RST		TEGRA_GPIO_PD1
+
 void paz00_pinmux_init(void);
 
 #endif