[PATCH 5/5] arm64: dts: apple: t8015: Add backlight nodes

From: Nick Chan
Date: Thu Feb 20 2025 - 10:55:10 EST


Add DWI backlight controller nodes for Apple A11 SoC, and enable it for:

- iPhone 8
- iPhone 8 Plus

Signed-off-by: Nick Chan <towinchenmi@xxxxxxxxx>
---
arch/arm64/boot/dts/apple/t8015-8.dtsi | 4 ++++
arch/arm64/boot/dts/apple/t8015.dtsi | 7 +++++++
2 files changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/t8015-8.dtsi b/arch/arm64/boot/dts/apple/t8015-8.dtsi
index b6505b5185bdd728a7416efaa3dd53d1c6a5fab9..0300ee1a2ffb7d2bd0558f6cb6f86514f4b433a4 100644
--- a/arch/arm64/boot/dts/apple/t8015-8.dtsi
+++ b/arch/arm64/boot/dts/apple/t8015-8.dtsi
@@ -11,3 +11,7 @@
/ {
chassis-type = "handset";
};
+
+&dwi_bl {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/apple/t8015.dtsi b/arch/arm64/boot/dts/apple/t8015.dtsi
index b68647bebd20782ba7a125e670b3264c184b62cd..4d54afcecd50b50ed1fd386ccfc46c373e190e6b 100644
--- a/arch/arm64/boot/dts/apple/t8015.dtsi
+++ b/arch/arm64/boot/dts/apple/t8015.dtsi
@@ -262,6 +262,13 @@ pmgr: power-management@232000000 {
reg = <0x2 0x32000000 0 0x8c000>;
};

+ dwi_bl: backlight@232200080 {
+ compatible = "apple,t8015-dwi-bl", "apple,dwi-bl";
+ reg = <0x2 0x32200080 0x0 0x8>;
+ power-domains = <&ps_dwi>;
+ status = "disabled";
+ };
+
pinctrl_ap: pinctrl@233100000 {
compatible = "apple,t8015-pinctrl", "apple,pinctrl";
reg = <0x2 0x33100000 0x0 0x1000>;

--
2.48.1