diff options
| author | Nick Xie <nick@khadas.com> | 2026-03-25 10:06:18 +0300 |
|---|---|---|
| committer | Neil Armstrong <neil.armstrong@linaro.org> | 2026-06-02 10:49:45 +0300 |
| commit | def2d2379668d5e80a41d6d2fb0972f8480d9c2f (patch) | |
| tree | ab55b4c262f8738838261c0045eff765de1f7db3 | |
| parent | 4badf8d60daf72964807f4d8d89ae7f41868d901 (diff) | |
| download | linux-def2d2379668d5e80a41d6d2fb0972f8480d9c2f.tar.xz | |
arm64: dts: amlogic: meson-s4-s905y4-khadas-vim1s: add Function key support
Enable the SARADC controller and add the adc-keys node to support
the Function key found on the Khadas VIM1S board.
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Nick Xie <nick@khadas.com>
Link: https://patch.msgid.link/20260325070618.81955-5-nick@khadas.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
| -rw-r--r-- | arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts index 664d64a267f2..792ab45c4c94 100644 --- a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts +++ b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts @@ -40,6 +40,20 @@ }; }; + adc-keys { + compatible = "adc-keys"; + io-channels = <&saradc 0>; + io-channel-names = "buttons"; + keyup-threshold-microvolt = <1710000>; + poll-interval = <100>; + + button-function { + label = "Function"; + linux,code = <KEY_FN>; + press-threshold-microvolt = <10000>; + }; + }; + emmc_pwrseq: emmc-pwrseq { compatible = "mmc-pwrseq-emmc"; reset-gpios = <&gpio GPIOB_9 GPIO_ACTIVE_LOW>; @@ -278,6 +292,11 @@ }; }; +&saradc { + status = "okay"; + vref-supply = <&vddio_ao1v8>; +}; + &spicc0 { status = "okay"; pinctrl-names = "default"; |