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arm64: dts: apple: t8103: Add PWM controller

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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>
This commit is contained in:
Sasha Finkelstein 2023-04-03 16:19:21 +02:00 committed by Hector Martin
parent 8d59efc33f
commit 348981c783
3 changed files with 43 additions and 0 deletions
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17
arch/arm64/boot/dts/apple/t8103-j293.dts
View file

@ -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 @@ &i2c2 {
&i2c4 {
status = "okay";
};
&fpwm1 {
status = "okay";
};

17
arch/arm64/boot/dts/apple/t8103-j313.dts
View file

@ -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 @@ &bluetooth0 {
&wifi0 {
brcm,board-type = "apple,shikoku";
};
&fpwm1 {
status = "okay";
};

9
arch/arm64/boot/dts/apple/t8103.dtsi
View file

@ -432,6 +432,15 @@ i2c4: i2c@235020000 {
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>;