diff options
| author | Sasha Finkelstein <fnkl.kernel@gmail.com> | 2023-04-03 16:19:21 +0200 |
|---|---|---|
| committer | Hector Martin <marcan@marcan.st> | 2023-04-17 17:26:40 +0900 |
| commit | 348981c783b9852b54ed78c2d9081135eaebfc70 (patch) | |
| tree | 27b1b226abb2f6042a71468a556e3271448216fe | |
| parent | 8d59efc33fdaa2c82072b4d3ba5f67d7dd9270d0 (diff) | |
arm64: dts: apple: t8103: Add PWM controller
Adds PWM controller and keyboard backlight bindings for M1 MacBooks
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Acked-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Hector Martin <marcan@marcan.st>
| -rw-r--r-- | arch/arm64/boot/dts/apple/t8103-j293.dts | 17 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/apple/t8103-j313.dts | 17 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/apple/t8103.dtsi | 9 |
3 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/apple/t8103-j293.dts b/arch/arm64/boot/dts/apple/t8103-j293.dts index c363dfef8070..56b0c67bfcda 100644 --- a/arch/arm64/boot/dts/apple/t8103-j293.dts +++ b/arch/arm64/boot/dts/apple/t8103-j293.dts @@ -11,10 +11,23 @@ #include "t8103.dtsi" #include "t8103-jxxx.dtsi" +#include <dt-bindings/leds/common.h> / { compatible = "apple,j293", "apple,t8103", "apple,arm-platform"; model = "Apple MacBook Pro (13-inch, M1, 2020)"; + + led-controller { + compatible = "pwm-leds"; + led-0 { + pwms = <&fpwm1 0 40000>; + label = "kbd_backlight"; + function = LED_FUNCTION_KBD_BACKLIGHT; + color = <LED_COLOR_ID_WHITE>; + max-brightness = <255>; + default-state = "keep"; + }; + }; }; &bluetooth0 { @@ -32,3 +45,7 @@ &i2c4 { status = "okay"; }; + +&fpwm1 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/apple/t8103-j313.dts b/arch/arm64/boot/dts/apple/t8103-j313.dts index 08409be1cf35..97a4344d8dca 100644 --- a/arch/arm64/boot/dts/apple/t8103-j313.dts +++ b/arch/arm64/boot/dts/apple/t8103-j313.dts @@ -11,10 +11,23 @@ #include "t8103.dtsi" #include "t8103-jxxx.dtsi" +#include <dt-bindings/leds/common.h> / { compatible = "apple,j313", "apple,t8103", "apple,arm-platform"; model = "Apple MacBook Air (M1, 2020)"; + + led-controller { + compatible = "pwm-leds"; + led-0 { + pwms = <&fpwm1 0 40000>; + label = "kbd_backlight"; + function = LED_FUNCTION_KBD_BACKLIGHT; + color = <LED_COLOR_ID_WHITE>; + max-brightness = <255>; + default-state = "keep"; + }; + }; }; &bluetooth0 { @@ -24,3 +37,7 @@ &wifi0 { brcm,board-type = "apple,shikoku"; }; + +&fpwm1 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi index 87a9c1ba6d0f..9b0dad6b6184 100644 --- a/arch/arm64/boot/dts/apple/t8103.dtsi +++ b/arch/arm64/boot/dts/apple/t8103.dtsi @@ -432,6 +432,15 @@ status = "disabled"; /* only used in J293 */ }; + fpwm1: pwm@235044000 { + compatible = "apple,t8103-fpwm", "apple,s5l-fpwm"; + reg = <0x2 0x35044000 0x0 0x4000>; + power-domains = <&ps_fpwm1>; + clocks = <&clkref>; + #pwm-cells = <2>; + status = "disabled"; + }; + serial0: serial@235200000 { compatible = "apple,s5l-uart"; reg = <0x2 0x35200000 0x0 0x1000>; |