From: Nick Chan <towinchenmi@gmail.com>
Date: Fri, 28 Feb 2025 04:32:13 +0000 (+0800)
Subject: arm64: dts: apple: t7000: Add backlight nodes
X-Git-Tag: v6.15-rc1~159^2~22^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=897359ae3c502d2217ef642044a9cdb0be90260a;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: apple: t7000: Add backlight nodes

Add DWI backlight controller nodes for Apple A8 SoC, and enable it for:

- iPhone 6
- iPhone 6 Plus
- iPad mini 4
- iPod touch 6

Signed-off-by: Nick Chan <towinchenmi@gmail.com>
Link: https://lore.kernel.org/r/20250228-dwi-dt-v2-2-69e450bc4bfb@gmail.com
Signed-off-by: Sven Peter <sven@svenpeter.dev>
---

diff --git a/arch/arm64/boot/dts/apple/t7000-handheld.dtsi b/arch/arm64/boot/dts/apple/t7000-handheld.dtsi
index 8984c9ec6cc8e..7b58aa648b53d 100644
--- a/arch/arm64/boot/dts/apple/t7000-handheld.dtsi
+++ b/arch/arm64/boot/dts/apple/t7000-handheld.dtsi
@@ -22,6 +22,10 @@
 	};
 };
 
+&dwi_bl {
+	status = "okay";
+};
+
 &serial0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/apple/t7000.dtsi b/arch/arm64/boot/dts/apple/t7000.dtsi
index 32cac8c30e62d..85a34dc7bc010 100644
--- a/arch/arm64/boot/dts/apple/t7000.dtsi
+++ b/arch/arm64/boot/dts/apple/t7000.dtsi
@@ -155,6 +155,13 @@
 			power-domains = <&ps_aic>;
 		};
 
+		dwi_bl: backlight@20e200010 {
+			compatible = "apple,t7000-dwi-bl", "apple,dwi-bl";
+			reg = <0x2 0x0e200010 0x0 0x8>;
+			power-domains = <&ps_dwi>;
+			status = "disabled";
+		};
+
 		pinctrl: pinctrl@20e300000 {
 			compatible = "apple,t7000-pinctrl", "apple,pinctrl";
 			reg = <0x2 0x0e300000 0x0 0x100000>;