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| author | Sasha Finkelstein <fnkl.kernel@gmail.com> | 2023-04-09 11:18:46 +0200 |
|---|---|---|
| committer | Hector Martin <marcan@marcan.st> | 2023-04-17 17:27:57 +0900 |
| commit | 50aa09ac18fac94a907d26dca21aff5507373fb1 (patch) | |
| tree | c59ab6eb353389581490e34c77b53b9af4074522 /arch/arm64 | |
| parent | b15999c27f9601c63a1add58cea698ea0c27184b (diff) | |
| download | linux-stable-50aa09ac18fac94a907d26dca21aff5507373fb1.tar.gz linux-stable-50aa09ac18fac94a907d26dca21aff5507373fb1.tar.bz2 linux-stable-50aa09ac18fac94a907d26dca21aff5507373fb1.zip | |
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: Sasha Finkelstein <fnkl.kernel@gmail.com>
Signed-off-by: Hector Martin <marcan@marcan.st>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/boot/dts/apple/t8112-j413.dts | 17 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/apple/t8112-j493.dts | 17 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/apple/t8112.dtsi | 9 |
3 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/apple/t8112-j413.dts b/arch/arm64/boot/dts/apple/t8112-j413.dts index 9e758edeaa82..6f69658623bf 100644 --- a/arch/arm64/boot/dts/apple/t8112-j413.dts +++ b/arch/arm64/boot/dts/apple/t8112-j413.dts @@ -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"; +}; diff --git a/arch/arm64/boot/dts/apple/t8112-j493.dts b/arch/arm64/boot/dts/apple/t8112-j493.dts index 8552c15be265..0ad908349f55 100644 --- a/arch/arm64/boot/dts/apple/t8112-j493.dts +++ b/arch/arm64/boot/dts/apple/t8112-j493.dts @@ -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"; +}; diff --git a/arch/arm64/boot/dts/apple/t8112.dtsi b/arch/arm64/boot/dts/apple/t8112.dtsi index 698a436e7dac..1666e6ab250b 100644 --- a/arch/arm64/boot/dts/apple/t8112.dtsi +++ b/arch/arm64/boot/dts/apple/t8112.dtsi @@ -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>; |