From: Sasha Finkelstein <7d578vix8hzw@xxxxxxxxx>
Adds PWM controller and keyboard backlight bindings for M1 Pro/Max MacBook Pros
Signed-off-by: Sasha Finkelstein <fnkl.kernel@xxxxxxxxx>
Acked-by: Hector Martin <marcan@xxxxxxxxx>
---
arch/arm64/boot/dts/apple/t600x-die0.dtsi | 9 +++++++++
arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi | 18 ++++++++++++++++++
2 files changed, 27 insertions(+)
diff --git a/arch/arm64/boot/dts/apple/t600x-die0.dtsi b/arch/arm64/boot/dts/apple/t600x-die0.dtsi
index 1c41954e3899..9157ae2a9f7f 100644
--- a/arch/arm64/boot/dts/apple/t600x-die0.dtsi
+++ b/arch/arm64/boot/dts/apple/t600x-die0.dtsi
@@ -71,6 +71,15 @@ sio_dart_1: iommu@39b008000 {
power-domains = <&ps_sio_cpu>;
};
+ fpwm0: pwm@39b030000 {
+ compatible = "apple,t6000-fpwm", "apple,s5l-fpwm";
+ reg = <0x3 0x9b030000 0x0 0x4000>;
+ power-domains = <&ps_fpwm0>;
+ clocks = <&clkref>;
+ #pwm-cells = <2>;
+ status = "disabled";
+ };
+
i2c0: i2c@39b040000 {
compatible = "apple,t6000-i2c", "apple,i2c";
reg = <0x3 0x9b040000 0x0 0x4000>;
diff --git a/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi b/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi
index 34906d522f0a..96de7165df6d 100644
--- a/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi
+++ b/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi
@@ -9,6 +9,8 @@
* Copyright The Asahi Linux Contributors
*/
+#include <dt-bindings/leds/common.h>
+
/ {
aliases {
serial0 = &serial0;
@@ -34,6 +36,18 @@ memory@10000000000 {
device_type = "memory";
reg = <0x100 0 0x2 0>; /* To be filled by loader */
};
+
+ led-controller {
+ compatible = "pwm-leds";
+ led-0 {
+ pwms = <&fpwm0 0 40000>;
+ label = "kbd_backlight";
+ function = LED_FUNCTION_KBD_BACKLIGHT;
+ color = <LED_COLOR_ID_WHITE>;
+ max-brightness = <255>;
+ default-state = "keep";
+ };
+ };
};
&serial0 {
@@ -110,5 +124,9 @@ &pcie0_dart_3 {
status = "disabled";
};
+&fpwm0 {
+ status = "okay";
+};
+
/delete-node/ &port02;
/delete-node/ &port03;
--
Git-143)
