Commit 50aa09ac authored by Sasha Finkelstein's avatar Sasha Finkelstein Committed by Hector Martin
Browse files

arm64: dts: apple: t8112: Add PWM controller 



This patch adds the device tree entries for the PWM controller
present on M2 macbooks that is connected to the keyboard backlight.

Signed-off-by: default avatarSasha Finkelstein <fnkl.kernel@gmail.com>
Signed-off-by: default avatarHector Martin <marcan@marcan.st>
parent b15999c2

arch/arm64/boot/dts/apple/t8112-j413.dts

+17 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 


#include "t8112.dtsi"

#include "t8112-jxxx.dtsi"

#include <dt-bindings/leds/common.h>



/ {

	compatible = "apple,j413", "apple,t8112", "apple,arm-platform";
@@ -20,6 +21,18 @@ 
		bluetooth0 = &bluetooth0;

		wifi0 = &wifi0;

	};



	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";

		};

	};

};



/*
@@ -61,3 +74,7 @@ 
&i2c4 {

	status = "okay";

};



&fpwm1 {

	status = "okay";

};

arch/arm64/boot/dts/apple/t8112-j493.dts

+17 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 


#include "t8112.dtsi"

#include "t8112-jxxx.dtsi"

#include <dt-bindings/leds/common.h>



/ {

	compatible = "apple,j493", "apple,t8112", "apple,arm-platform";
@@ -20,6 +21,18 @@ 
		bluetooth0 = &bluetooth0;

		wifi0 = &wifi0;

	};



	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";

		};

	};

};



/*
@@ -50,3 +63,7 @@ 
&i2c4 {

	status = "okay";

};



&fpwm1 {

	status = "okay";

};

arch/arm64/boot/dts/apple/t8112.dtsi

+9 −0
Original line number Diff line number Diff line
@@ -458,6 +458,15 @@ 
			status = "disabled";

		};



		fpwm1: pwm@235044000 {

			compatible = "apple,t8112-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>;