RV1108 EVB uses a adc-based recovery(VOL+) key, which connected to saradc channel 0. This patch add dt node for it.
Signed-off-by: Andy Yan andy.yan@rock-chips.com ---
arch/arm/dts/rv1108-evb.dts | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/arch/arm/dts/rv1108-evb.dts b/arch/arm/dts/rv1108-evb.dts index 8e857b2..66da40c 100644 --- a/arch/arm/dts/rv1108-evb.dts +++ b/arch/arm/dts/rv1108-evb.dts @@ -7,11 +7,32 @@ /dts-v1/;
#include "rv1108.dtsi" +#include <dt-bindings/input/input.h>
/ { model = "Rockchip RV1108 Evaluation board"; compatible = "rockchip,rv1108-evb", "rockchip,rv1108";
+ adc-keys { + compatible = "adc-keys"; + io-channels = <&saradc 0>; + io-channel-names = "buttons"; + poll-interval = <100>; + keyup-threshold-microvolt = <3300000>; + + button-up { + label = "Volume Up"; + linux,code = <KEY_VOLUMEUP>; + press-threshold-microvolt = <0>; + }; + + button-down { + label = "Volume Down"; + linux,code = <KEY_VOLUMEDOWN>; + press-threshold-microvolt = <1650000>; + }; + }; + memory@60000000 { device_type = "memory"; reg = <0x60000000 0x08000000>;