ARM: tegra: paz00: enable WiFi rfkill when booting from device tree

There currently aren't bindings for a WiFi rfkill button, and defining
a good binding is non-trivial. Manually register this "device" when
booting from device tree, in order to bring DT support to the same
feature level as board files, which will in turn allow board files to be
deprecated.

Signed-off-by: Stephen Warren <swarren@nvidia.com>

3 files changed, 18 insertions, 1 deletions

diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c b/arch/arm/mach-tegra/board-dt-tegra20.c
index 777138611c77..8b4e6e1f0f7b 100644
--- a/arch/arm/mach-tegra/board-dt-tegra20.c
+++ b/arch/arm/mach-tegra/board-dt-tegra20.c
@@ -126,6 +126,13 @@ static void __init harmony_init(void)
 }
 #endif
 
+#ifdef CONFIG_MACH_PAZ00
+static void __init paz00_init(void)
+{
+        tegra_paz00_wifikill_init();
+}
+#endif
+
 static struct {
         char *machine;
         void (*init)(void);
@@ -136,6 +143,9 @@ static struct {
 #ifdef CONFIG_MACH_HARMONY
         { "nvidia,harmony", harmony_init },
 #endif
+#ifdef CONFIG_MACH_PAZ00
+        { "compal,paz00", paz00_init },
+#endif
 };
 
 static void __init tegra_dt_init_late(void)
diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index bbc1907e98a6..4b64af5cab27 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -148,7 +148,6 @@ static struct platform_device *paz00_devices[] __initdata = {
         &debug_uart,
         &tegra_sdhci_device4,
         &tegra_sdhci_device1,
-        &wifi_rfkill_device,
         &leds_gpio,
         &gpio_keys_device,
 };
@@ -201,6 +200,11 @@ static struct tegra_sdhci_platform_data sdhci_pdata4 = {
         .is_8bit        = 1,
 };
 
+void __init tegra_paz00_wifikill_init(void)
+{
+        platform_device_register(&wifi_rfkill_device);
+}
+
 static void __init tegra_paz00_init(void)
 {
         tegra_clk_init_from_table(paz00_clk_init_table);
@@ -211,6 +215,7 @@ static void __init tegra_paz00_init(void)
         tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4;
 
         platform_add_devices(paz00_devices, ARRAY_SIZE(paz00_devices));
+        tegra_paz00_wifikill_init();
 
         paz00_i2c_init();
         paz00_usb_init();
diff --git a/arch/arm/mach-tegra/board.h b/arch/arm/mach-tegra/board.h
index 097e0e16eacd..f88e5143c767 100644
--- a/arch/arm/mach-tegra/board.h
+++ b/arch/arm/mach-tegra/board.h
@@ -53,5 +53,7 @@ int __init harmony_pcie_init(void);
 static inline int harmony_pcie_init(void) { return 0; }
 #endif
 
+void __init tegra_paz00_wifikill_init(void);
+
 extern struct sys_timer tegra_timer;
 #endif