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authorJerome Brunet <jbrunet@baylibre.com>2018-07-16 12:11:47 +0200
committerKevin Hilman <khilman@baylibre.com>2018-07-20 08:18:36 -0700
commitaabe5d2d4fa8ab01eaf2ff6fe2161991c1e41e1a (patch)
treef88acb419de2feb0feb7cda32332cf4403026f75 /arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
parent65b7591a1ef2eca26c9b7c9c39062590ab565f34 (diff)
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>
Diffstat (limited to 'arch/arm64/boot/dts/amlogic/meson-axg-s400.dts')
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-axg-s400.dts44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
index da84bc853d75..9189a5778d76 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
@@ -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;