[PATCH 3/5] arm64: dts: apple: s800-0-3: Add backlight nodes

[Nick Chan]

Add DWI backlight controller nodes for Apple A9 SoC, and enable it for:

- iPhone 6
- iPhone 6s
- iPhone SE
- iPad 5

Signed-off-by: Nick Chan <towinchenmi@xxxxxxxxx>
---
 arch/arm64/boot/dts/apple/s800-0-3-common.dtsi | 4 ++++
 arch/arm64/boot/dts/apple/s800-0-3.dtsi        | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/s800-0-3-common.dtsi b/arch/arm64/boot/dts/apple/s800-0-3-common.dtsi
index 4276bd890e81b16f19b04e1716a55f32f9a371d9..cb42c5f2c1b6caed4ae04ca0b6173e23bbda47f0 100644
--- a/arch/arm64/boot/dts/apple/s800-0-3-common.dtsi
+++ b/arch/arm64/boot/dts/apple/s800-0-3-common.dtsi
@@ -43,6 +43,10 @@ reserved-memory {
 	};
 };
 
+&dwi_bl {
+	status = "okay";
+};
+
 &serial0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/apple/s800-0-3.dtsi b/arch/arm64/boot/dts/apple/s800-0-3.dtsi
index 2aec49f0da6467519aeb2561d00b14f46fe216fb..c0e9ae45627c8150bc0ddcdc1e6ab65d52fa7219 100644
--- a/arch/arm64/boot/dts/apple/s800-0-3.dtsi
+++ b/arch/arm64/boot/dts/apple/s800-0-3.dtsi
@@ -91,6 +91,13 @@ aic: interrupt-controller@20e100000 {
 			power-domains = <&ps_aic>;
 		};
 
+		dwi_bl: backlight@20e200080 {
+			compatible = "apple,s8000-dwi-bl", "apple,dwi-bl";
+			reg = <0x2 0x0e200080 0x0 0x8>;
+			power-domains = <&ps_dwi>;
+			status = "disabled";
+		};
+
 		pinctrl_ap: pinctrl@20f100000 {
 			compatible = "apple,s8000-pinctrl", "apple,pinctrl";
 			reg = <0x2 0x0f100000 0x0 0x100000>;

-- 
2.48.1