[PATCH 4/5] arm64: dts: apple: t8010: Add backlight nodes

[Nick Chan]

Add DWI backlight controller nodes for Apple A10 SoC, and enable it for:

- iPhone 7
- iPhone 7 Plus
- iPad touch 7
- iPad 6
- iPad 7

Signed-off-by: Nick Chan <towinchenmi at gmail.com>
---
 arch/arm64/boot/dts/apple/t8010-common.dtsi | 4 ++++
 arch/arm64/boot/dts/apple/t8010.dtsi        | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/t8010-common.dtsi b/arch/arm64/boot/dts/apple/t8010-common.dtsi
index 6613fb57c92fffd41c34a61a78e7bb6b1888a5ea..44dc968638b13814baf94e782f2267191ce267f9 100644
--- a/arch/arm64/boot/dts/apple/t8010-common.dtsi
+++ b/arch/arm64/boot/dts/apple/t8010-common.dtsi
@@ -43,6 +43,10 @@ reserved-memory {
 	};
 };
 
+&dwi_bl {
+	status = "okay";
+};
+
 &serial0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/apple/t8010.dtsi b/arch/arm64/boot/dts/apple/t8010.dtsi
index b355d443ee476e7c98b352470e3b1b5d0fae7652..17e294bd7c44c7961cc3ba0ec5f4178840d5b9c6 100644
--- a/arch/arm64/boot/dts/apple/t8010.dtsi
+++ b/arch/arm64/boot/dts/apple/t8010.dtsi
@@ -167,6 +167,13 @@ aic: interrupt-controller at 20e100000 {
 			power-domains = <&ps_aic>;
 		};
 
+		dwi_bl: backlight at 20e200080 {
+			compatible = "apple,t8010-dwi-bl", "apple,dwi-bl";
+			reg = <0x2 0x0e200080 0x0 0x8>;
+			power-domains = <&ps_dwi>;
+			status = "disabled";
+		};
+
 		pinctrl_ap: pinctrl at 20f100000 {
 			compatible = "apple,t8010-pinctrl", "apple,pinctrl";
 			reg = <0x2 0x0f100000 0x0 0x100000>;

-- 
2.48.1