diff options
| author | Sebastian Reichel <sebastian.reichel@collabora.com> | 2023-10-05 15:43:57 +0200 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2023-10-16 21:54:14 +0200 |
| commit | afa933c208e5ea9ddf8adb460e273b2b1aba85e5 (patch) | |
| tree | 1df4c0b9ae9a567eb2db6b0acb84fc0644526a13 /arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts | |
| parent | dd6dc0c4c1265129c229e26917bf4de1d97ff91f (diff) | |
arm64: dts: rockchip: add ADC buttons to rk3588-evb1
The Rockchip EVB1 has a couple of buttons connected via an ADC
line. Let's add them to its devicetree.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20231005134357.37171-1-sebastian.reichel@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts')
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts index c3fe58e39e99..b9d789d57862 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts @@ -7,6 +7,7 @@ /dts-v1/; #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> #include <dt-bindings/pinctrl/rockchip.h> #include "rk3588.dtsi" @@ -23,6 +24,38 @@ stdout-path = "serial2:1500000n8"; }; + adc-keys { + compatible = "adc-keys"; + io-channels = <&saradc 1>; + io-channel-names = "buttons"; + keyup-threshold-microvolt = <1800000>; + poll-interval = <100>; + + button-vol-up { + label = "Volume Up"; + linux,code = <KEY_VOLUMEUP>; + press-threshold-microvolt = <17000>; + }; + + button-vol-down { + label = "Volume Down"; + linux,code = <KEY_VOLUMEDOWN>; + press-threshold-microvolt = <417000>; + }; + + button-menu { + label = "Menu"; + linux,code = <KEY_MENU>; + press-threshold-microvolt = <890000>; + }; + + button-escape { + label = "Escape"; + linux,code = <KEY_ESC>; + press-threshold-microvolt = <1235000>; + }; + }; + backlight: backlight { compatible = "pwm-backlight"; power-supply = <&vcc12v_dcin>; @@ -286,6 +319,11 @@ status = "okay"; }; +&saradc { + vref-supply = <&vcc_1v8_s0>; + status = "okay"; +}; + &sdhci { bus-width = <8>; no-sdio; |