The pwm-backlight binding requires a power supply. Make sure we provide one. Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx> --- arch/arm/boot/dts/sun4i-a10-dserve-dsrv9703c.dts | 1 + arch/arm/boot/dts/sun4i-a10-inet1.dts | 1 + arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts | 1 + arch/arm/boot/dts/sun5i-a13-empire-electronix-d709.dts | 1 + arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts | 1 + arch/arm/boot/dts/sun5i-gr8-evb.dts | 2 +- arch/arm/boot/dts/sun5i-reference-design-tablet.dtsi | 1 + arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts | 1 + arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts | 2 +- arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi | 1 + arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi | 9 +++++++++ 11 files changed, 19 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/sun4i-a10-dserve-dsrv9703c.dts b/arch/arm/boot/dts/sun4i-a10-dserve-dsrv9703c.dts index 8ee3ff42bd55..63e77c05bfda 100644 --- a/arch/arm/boot/dts/sun4i-a10-dserve-dsrv9703c.dts +++ b/arch/arm/boot/dts/sun4i-a10-dserve-dsrv9703c.dts @@ -62,6 +62,7 @@ backlight: backlight { brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; default-brightness-level = <8>; enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */ + power-supply = <®_vcc3v3>; }; chosen { diff --git a/arch/arm/boot/dts/sun4i-a10-inet1.dts b/arch/arm/boot/dts/sun4i-a10-inet1.dts index ca878384e902..60e432a0ef1c 100644 --- a/arch/arm/boot/dts/sun4i-a10-inet1.dts +++ b/arch/arm/boot/dts/sun4i-a10-inet1.dts @@ -62,6 +62,7 @@ backlight: backlight { brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; default-brightness-level = <8>; enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */ + power-supply = <®_vcc3v3>; }; chosen { diff --git a/arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts b/arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts index 24a3d23e1952..c32596947647 100644 --- a/arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts +++ b/arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts @@ -62,6 +62,7 @@ backlight: backlight { brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; default-brightness-level = <8>; enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */ + power-supply = <®_vcc3v3>; }; chosen { diff --git a/arch/arm/boot/dts/sun5i-a13-empire-electronix-d709.dts b/arch/arm/boot/dts/sun5i-a13-empire-electronix-d709.dts index a23bf24792ec..d059388d7252 100644 --- a/arch/arm/boot/dts/sun5i-a13-empire-electronix-d709.dts +++ b/arch/arm/boot/dts/sun5i-a13-empire-electronix-d709.dts @@ -61,6 +61,7 @@ backlight: backlight { pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; default-brightness-level = <8>; + power-supply = <®_vcc3v3>; /* TODO: backlight uses axp gpio1 as enable pin */ }; diff --git a/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts b/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts index 3428bebceff0..d60407772e5d 100644 --- a/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts +++ b/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts @@ -28,6 +28,7 @@ backlight { enable-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */ brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; default-brightness-level = <8>; + power-supply = <®_vcc3v3>; }; chosen { diff --git a/arch/arm/boot/dts/sun5i-gr8-evb.dts b/arch/arm/boot/dts/sun5i-gr8-evb.dts index 4c20d731a9c6..f4fe258ef06d 100644 --- a/arch/arm/boot/dts/sun5i-gr8-evb.dts +++ b/arch/arm/boot/dts/sun5i-gr8-evb.dts @@ -71,7 +71,7 @@ backlight: backlight { compatible = "pwm-backlight"; pwms = <&pwm 0 10000 0>; enable-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>; - + power-supply = <®_vcc3v3>; brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; default-brightness-level = <8>; }; diff --git a/arch/arm/boot/dts/sun5i-reference-design-tablet.dtsi b/arch/arm/boot/dts/sun5i-reference-design-tablet.dtsi index 1a9926d71410..6847f66699ac 100644 --- a/arch/arm/boot/dts/sun5i-reference-design-tablet.dtsi +++ b/arch/arm/boot/dts/sun5i-reference-design-tablet.dtsi @@ -55,6 +55,7 @@ backlight: backlight { brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; default-brightness-level = <8>; enable-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>; /* AXP GPIO1 */ + power-supply = <®_vcc3v0>; }; chosen { diff --git a/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts b/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts index 6a66b0432dfa..fef02fcbbdf8 100644 --- a/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts +++ b/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts @@ -64,6 +64,7 @@ backlight { brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; default-brightness-level = <8>; enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */ + power-supply = <®_vcc3v3>; }; chosen { diff --git a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts index bfc9bb277a49..83b01b03e08e 100644 --- a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts +++ b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts @@ -65,7 +65,7 @@ backlight: backlight { compatible = "pwm-backlight"; pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; enable-gpios = <&pio 3 29 GPIO_ACTIVE_HIGH>; - + power-supply = <®_sw>; brightness-levels = <0 1 2 4 8 16 32 64 128 255>; default-brightness-level = <9>; }; diff --git a/arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi b/arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi index b3d8b8f056cd..daf4be6416df 100644 --- a/arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi +++ b/arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi @@ -54,6 +54,7 @@ backlight: backlight { brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; default-brightness-level = <8>; enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */ + power-supply = <®_dc1sw>; }; chosen { diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi index bcf64998a829..bbc26abb1e10 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi @@ -21,6 +21,7 @@ backlight: backlight { compatible = "pwm-backlight"; pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>; enable-gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>; /* PH10 */ + power-supply = <®_ps>; /* Backlight configuration differs per PinePhone revision. */ }; @@ -50,6 +51,14 @@ led-2 { }; }; + reg_ps: ps-regulator { + compatible = "regulator-fixed"; + regulator-name = "ps"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + }; + reg_vbat_wifi: vbat-wifi { compatible = "regulator-fixed"; regulator-min-microvolt = <3300000>; -- 2.29.2