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authorRandy Li <ayaka@soulik.info>2017-05-30 18:52:46 +0300
committerHeiko Stuebner <heiko@sntech.de>2017-06-01 23:24:41 +0300
commit23c0c210a1adcfca27a52808d1a0cbd807e86518 (patch)
treeff47c24b390778263350ba1c9832f902ce80a4f5 /arch/arm/boot/dts/rk3288-firefly.dtsi
parent08e779e59950affaec4f677b22fda6a1ab150a43 (diff)
downloadlinux-23c0c210a1adcfca27a52808d1a0cbd807e86518.tar.xz
ARM: dts: rockchip: add adc button for Firefly
The only adc button connected to adc input is recovery button. Signed-off-by: Randy Li <ayaka@soulik.info> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm/boot/dts/rk3288-firefly.dtsi')
-rw-r--r--arch/arm/boot/dts/rk3288-firefly.dtsi13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/rk3288-firefly.dtsi b/arch/arm/boot/dts/rk3288-firefly.dtsi
index 864747342e3e..32dabae12e67 100644
--- a/arch/arm/boot/dts/rk3288-firefly.dtsi
+++ b/arch/arm/boot/dts/rk3288-firefly.dtsi
@@ -49,6 +49,19 @@
reg = <0 0x80000000>;
};
+ adc-keys {
+ compatible = "adc-keys";
+ io-channels = <&saradc 1>;
+ io-channel-names = "buttons";
+ keyup-threshold-microvolt = <1800000>;
+
+ button-recovery {
+ label = "Recovery";
+ linux,code = <KEY_VENDOR>;
+ press-threshold-microvolt = <0>;
+ };
+ };
+
dovdd_1v8: dovdd-1v8-regulator {
compatible = "regulator-fixed";
regulator-name = "dovdd_1v8";