[PATCH 1/2] ARM: dts: rockchip: Split GPIO keys for veyron into multiple devices

[Matthias Kaehlcke]

With a single device DT overrides can become messy, especially when
keys are added or removed. Multiple devices also allow to
enable/disable wakeup per key/group.

Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
---
 .../boot/dts/rk3288-veyron-chromebook.dtsi    | 26 +++++++------
 arch/arm/boot/dts/rk3288-veyron-minnie.dts    | 38 ++++++++++---------
 arch/arm/boot/dts/rk3288-veyron-pinky.dts     |  2 +-
 arch/arm/boot/dts/rk3288-veyron.dtsi          |  4 +-
 4 files changed, 37 insertions(+), 33 deletions(-)

diff --git a/arch/arm/boot/dts/rk3288-veyron-chromebook.dtsi b/arch/arm/boot/dts/rk3288-veyron-chromebook.dtsi
index fbef34578100..c5f71af84a40 100644
--- a/arch/arm/boot/dts/rk3288-veyron-chromebook.dtsi
+++ b/arch/arm/boot/dts/rk3288-veyron-chromebook.dtsi
@@ -70,6 +70,20 @@
 		pinctrl-0 = <&ac_present_ap>;
 	};
 
+	lid_switch: lid-switch {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&ap_lid_int_l>;
+		lid {
+			label = "Lid";
+			gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>;
+			wakeup-source;
+			linux,code = <0>; /* SW_LID */
+			linux,input-type = <5>; /* EV_SW */
+			debounce-interval = <1>;
+		};
+	};
+
 	panel: panel {
 		compatible ="innolux,n116bge", "simple-panel";
 		status = "okay";
@@ -149,18 +163,6 @@
 	status = "okay";
 };
 
-&gpio_keys {
-	pinctrl-0 = <&pwr_key_l &ap_lid_int_l>;
-	lid {
-		label = "Lid";
-		gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>;
-		wakeup-source;
-		linux,code = <0>; /* SW_LID */
-		linux,input-type = <5>; /* EV_SW */
-		debounce-interval = <1>;
-	};
-};
-
 &pwm0 {
 	status = "okay";
 };
diff --git a/arch/arm/boot/dts/rk3288-veyron-minnie.dts b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
index a65099b4aef1..b2cc70a08554 100644
--- a/arch/arm/boot/dts/rk3288-veyron-minnie.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
@@ -48,6 +48,26 @@
 		regulator-boot-on;
 		vin-supply = <&vcc18_wl>;
 	};
+
+	volume_buttons: volume-buttons {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&volum_down_l &volum_up_l>;
+
+		volum_down {
+			label = "Volum_down";
+			gpios = <&gpio5 RK_PB3 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_VOLUMEDOWN>;
+			debounce-interval = <100>;
+		};
+
+		volum_up {
+			label = "Volum_up";
+			gpios = <&gpio5 RK_PB2 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_VOLUMEUP>;
+			debounce-interval = <100>;
+		};
+	};
 };
 
 &backlight {
@@ -90,24 +110,6 @@
 	pwm-off-delay-ms = <200>;
 };
 
-&gpio_keys {
-	pinctrl-0 = <&pwr_key_l &ap_lid_int_l &volum_down_l &volum_up_l>;
-
-	volum_down {
-		label = "Volum_down";
-		gpios = <&gpio5 RK_PB3 GPIO_ACTIVE_LOW>;
-		linux,code = <KEY_VOLUMEDOWN>;
-		debounce-interval = <100>;
-	};
-
-	volum_up {
-		label = "Volum_up";
-		gpios = <&gpio5 RK_PB2 GPIO_ACTIVE_LOW>;
-		linux,code = <KEY_VOLUMEUP>;
-		debounce-interval = <100>;
-	};
-};
-
 &i2c_tunnel {
 	battery: bq27500@55 {
 		compatible = "ti,bq27500";
diff --git a/arch/arm/boot/dts/rk3288-veyron-pinky.dts b/arch/arm/boot/dts/rk3288-veyron-pinky.dts
index 9645be7b3d8c..9b6f4d9b03b6 100644
--- a/arch/arm/boot/dts/rk3288-veyron-pinky.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-pinky.dts
@@ -35,7 +35,7 @@
 	force-hpd;
 };
 
-&gpio_keys {
+&lid_switch {
 	pinctrl-0 = <&pwr_key_h &ap_lid_int_l>;
 
 	power {
diff --git a/arch/arm/boot/dts/rk3288-veyron.dtsi b/arch/arm/boot/dts/rk3288-veyron.dtsi
index 90c8312d01ff..cc4c3595f145 100644
--- a/arch/arm/boot/dts/rk3288-veyron.dtsi
+++ b/arch/arm/boot/dts/rk3288-veyron.dtsi
@@ -23,11 +23,11 @@
 		reg = <0x0 0x0 0x0 0x80000000>;
 	};
 
-	gpio_keys: gpio-keys {
+	power_button: power-button {
 		compatible = "gpio-keys";
-
 		pinctrl-names = "default";
 		pinctrl-0 = <&pwr_key_l>;
+
 		power {
 			label = "Power";
 			gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
-- 
2.22.0.rc2.383.gf4fbbf30c2-goog