Commit 348981c7 authored by Sasha Finkelstein's avatar Sasha Finkelstein Committed by Hector Martin
Browse files

arm64: dts: apple: t8103: Add PWM controller 



Adds PWM controller and keyboard backlight bindings for M1 MacBooks

Signed-off-by: default avatarSasha Finkelstein <fnkl.kernel@gmail.com>
Acked-by: default avatarSven Peter <sven@svenpeter.dev>
Signed-off-by: default avatarHector Martin <marcan@marcan.st>
parent 8d59efc3

arch/arm64/boot/dts/apple/t8103-j293.dts

+17 −0
Original line number Diff line number Diff line
@@ -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";

};

arch/arm64/boot/dts/apple/t8103-j313.dts

+17 −0
Original line number Diff line number Diff line
@@ -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";

};

arch/arm64/boot/dts/apple/t8103.dtsi

+9 −0
Original line number Diff line number Diff line
@@ -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>;