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-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
index 77fac84797e9..ec537c529726 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
@@ -22,12 +22,22 @@
ethernet0 = &rtl8723cs;
};
+ vdd_bl: regulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "bl-3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
+ enable-active-high;
+ };
+
backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pwm 0 50000 0>;
brightness-levels = <0 5 10 15 20 30 40 55 70 85 100>;
default-brightness-level = <2>;
enable-gpios = <&pio 3 23 GPIO_ACTIVE_HIGH>; /* PD23 */
+ power-supply = <&vdd_bl>;
};
chosen {