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ARM: dts: rockchip: add adc button for Firefly

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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>
This commit is contained in:
Randy Li 2017-05-30 23:52:46 +08:00 committed by Heiko Stuebner
parent 08e779e599
commit 23c0c210a1
2 changed files with 30 additions and 0 deletions
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17
arch/arm/boot/dts/rk3288-firefly-reload.dts
View File

@ -48,6 +48,19 @@ / {
model = "Firefly-RK3288-reload";
compatible = "firefly,firefly-rk3288-reload", "rockchip,rk3288";
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>;
};
};
gpio-keys {
compatible = "gpio-keys";
@ -246,6 +259,10 @@ &i2s {
status = "okay";
};
&saradc {
status = "okay";
};
&sdmmc {
bus-width = <4>;
cap-mmc-highspeed;

13
arch/arm/boot/dts/rk3288-firefly.dtsi
View File

@ -49,6 +49,19 @@ memory@0 {
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";