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arm64: dts: rockchip: add the adc_keys for rk3399-sapphire-excavator-linux.dts

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There are four adc keys on rk3399 sapphire excavator board, these are
ESC/MENU/VOL+/VOL- key.

Change-Id: I7ddb6343fd22240739a198665d9ccf82d4529af9
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
This commit is contained in:
Caesar Wang
2019-02-20 14:20:05 +08:00
committed by Tao Huang
parent 7df0273f2c
commit c66526ad82
1 changed files with 32 additions and 0 deletions
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32
arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator-linux.dts
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@@ -50,6 +50,38 @@
model = "Rockchip RK3399 Excavator Board (Linux Opensource)";
compatible = "rockchip,rk3399-excavator-linux", "rockchip,rk3399";
adc-keys {
compatible = "adc-keys";
io-channels = <&saradc 1>;
io-channel-names = "buttons";
poll-interval = <100>;
keyup-threshold-microvolt = <1800000>;
esc-key {
linux,code = <KEY_ESC>;
label = "esc";
press-threshold-microvolt = <1310000>;
};
menu-key {
linux,code = <KEY_MENU>;
label = "menu";
press-threshold-microvolt = <987000>;
};
vol-down-key {
linux,code = <KEY_VOLUMEDOWN>;
label = "volume down";
press-threshold-microvolt = <300000>;
};
vol-up-key {
linux,code = <KEY_VOLUMEUP>;
label = "volume up";
press-threshold-microvolt = <17000>;
};
};
fiq_debugger: fiq-debugger {
compatible = "rockchip,fiq-debugger";
rockchip,serial-id = <2>;