[PATCH v2 3/5] arm64: dts: apple: s800-0-3: Add backlight nodes
Nick Chan
towinchenmi at gmail.com
Thu Feb 27 20:25:34 PST 2025
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 at gmail.com>
---
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 at 20e100000 {
power-domains = <&ps_aic>;
};
+ dwi_bl: backlight at 20e200080 {
+ compatible = "apple,s8000-dwi-bl", "apple,dwi-bl";
+ reg = <0x2 0x0e200080 0x0 0x8>;
+ power-domains = <&ps_dwi>;
+ status = "disabled";
+ };
+
pinctrl_ap: pinctrl at 20f100000 {
compatible = "apple,s8000-pinctrl", "apple,pinctrl";
reg = <0x2 0x0f100000 0x0 0x100000>;
--
2.48.1
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