From: Nick Chan <towinchenmi@gmail.com>
Date: Fri, 28 Feb 2025 04:32:15 +0000 (+0800)
Subject: arm64: dts: apple: t8010: Add backlight nodes
X-Git-Tag: v6.15-rc1~159^2~22^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=074db7d6f51b69a68c8c7b3c2ca71b177b687a8c;p=thirdparty%2Flinux.git

arm64: dts: apple: t8010: Add backlight nodes

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

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

Signed-off-by: Nick Chan <towinchenmi@gmail.com>
Link: https://lore.kernel.org/r/20250228-dwi-dt-v2-4-69e450bc4bfb@gmail.com
Signed-off-by: Sven Peter <sven@svenpeter.dev>
---

diff --git a/arch/arm64/boot/dts/apple/t8010-common.dtsi b/arch/arm64/boot/dts/apple/t8010-common.dtsi
index 6613fb57c92ff..44dc968638b13 100644
--- a/arch/arm64/boot/dts/apple/t8010-common.dtsi
+++ b/arch/arm64/boot/dts/apple/t8010-common.dtsi
@@ -43,6 +43,10 @@
 	};
 };
 
+&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 b355d443ee476..17e294bd7c44c 100644
--- a/arch/arm64/boot/dts/apple/t8010.dtsi
+++ b/arch/arm64/boot/dts/apple/t8010.dtsi
@@ -167,6 +167,13 @@
 			power-domains = <&ps_aic>;
 		};
 
+		dwi_bl: backlight@20e200080 {
+			compatible = "apple,t8010-dwi-bl", "apple,dwi-bl";
+			reg = <0x2 0x0e200080 0x0 0x8>;
+			power-domains = <&ps_dwi>;
+			status = "disabled";
+		};
+
 		pinctrl_ap: pinctrl@20f100000 {
 			compatible = "apple,t8010-pinctrl", "apple,pinctrl";
 			reg = <0x2 0x0f100000 0x0 0x100000>;