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| author | Ronald Claveau <linux-kernel-dev@aliel.fr> | 2026-05-13 13:43:55 +0300 |
|---|---|---|
| committer | Neil Armstrong <neil.armstrong@linaro.org> | 2026-06-02 10:49:46 +0300 |
| commit | 61ba02ca4758e7978dc8caf5e1fff3a9f5921a60 (patch) | |
| tree | 444b67a8c0299238aede7a4abcdc8f22d9035978 | |
| parent | a63d58bd2ddcdcf592167b5de836de6674698c1f (diff) | |
| download | linux-61ba02ca4758e7978dc8caf5e1fff3a9f5921a60.tar.xz | |
arm64: dts: amlogic: t7: khadas-vim4: add PWM-driven status LED
The VIM4 board exposes a status LED wired to the PWM_AO_C_D output.
Enable the pwm_ao_cd controller with its pinmux, and declare a
pwm-leds node with a heartbeat trigger.
Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
Link: https://patch.msgid.link/20260513-add-kvim4-sysled-v2-3-3ec9779e8875@aliel.fr
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
| -rw-r--r-- | arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts index fd1b983354a0..c41525a34b72 100644 --- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts @@ -53,6 +53,16 @@ regulator-always-on; }; + pwm-leds { + compatible = "pwm-leds"; + + status { + linux,default-trigger="heartbeat"; + max-brightness = <255>; + pwms = <&pwm_ao_cd 0 30040 0>; + }; + }; + sd_3v3: regulator-sdcard-3v3 { compatible = "regulator-fixed"; regulator-name = "SD_3V3"; @@ -163,6 +173,12 @@ pinctrl-names = "default"; }; +&pwm_ao_cd { + status = "okay"; + pinctrl-0 = <&pwm_ao_c_d_pins>; + pinctrl-names = "default"; +}; + /* SDIO */ &sd_emmc_a { status = "okay"; |