@@ -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;
Add the 6 adc buttons of the amlogic S400 Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> --- arch/arm64/boot/dts/amlogic/meson-axg-s400.dts | 44 ++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) -- 2.14.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html