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ARM64: dts: meson-axg: add adc buttons the S400 

Add the 6 adc buttons of the amlogic S400

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Jerome Brunet 2018-07-16 12:11:47 +02:00 committed by Kevin Hilman
parent 65b7591a1e
commit aabe5d2d4f
1 changed files with 44 additions and 0 deletions
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44
arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
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@ -6,11 +6,55 @@
/dts-v1/;
#include "meson-axg.dtsi"
#include <dt-bindings/input/input.h>
/ {
compatible = "amlogic,s400", "amlogic,a113d", "amlogic,meson-axg";
model = "Amlogic Meson AXG S400 Development Board";
adc_keys {
compatible = "adc-keys";
io-channels = <&saradc 0>;
io-channel-names = "buttons";
keyup-threshold-microvolt = <1800000>;
button-next {
label = "Next";
linux,code = <KEY_NEXT>;
press-threshold-microvolt = <1116000>; /* 62% */
};
button-prev {
label = "Previous";
linux,code = <KEY_PREVIOUS>;
press-threshold-microvolt = <900000>; /* 50% */
};
button-wifi {
label = "Wifi";
linux,code = <KEY_WLAN>;
press-threshold-microvolt = <684000>; /* 38% */
};
button-up {
label = "Volume Up";
linux,code = <KEY_VOLUMEUP>;
press-threshold-microvolt = <468000>; /* 26% */
};
button-down {
label = "Volume Down";
linux,code = <KEY_VOLUMEDOWN>;
press-threshold-microvolt = <252000>; /* 14% */
};
button-voice {
label = "Voice";
linux,code = <KEY_VOICECOMMAND>;
press-threshold-microvolt = <0>; /* 0% */
};
};
aliases {
serial0 = &uart_AO;
serial1 = &uart_A;