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-rw-r--r--arch/arm/boot/dts/rk3288-rock2-som.dtsi4
-rw-r--r--arch/arm/boot/dts/rk3288-rock2-square.dts17
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/rk3288-rock2-som.dtsi b/arch/arm/boot/dts/rk3288-rock2-som.dtsi
index b9c471fcbd42..51f36a1b698e 100644
--- a/arch/arm/boot/dts/rk3288-rock2-som.dtsi
+++ b/arch/arm/boot/dts/rk3288-rock2-som.dtsi
@@ -280,6 +280,10 @@
};
};
+&saradc {
+ vref-supply = <&vcc_18>;
+};
+
&tsadc {
rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
diff --git a/arch/arm/boot/dts/rk3288-rock2-square.dts b/arch/arm/boot/dts/rk3288-rock2-square.dts
index 6adeb331452f..0ea2a3a1fa51 100644
--- a/arch/arm/boot/dts/rk3288-rock2-square.dts
+++ b/arch/arm/boot/dts/rk3288-rock2-square.dts
@@ -50,6 +50,19 @@
stdout-path = "serial2:115200n8";
};
+ 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";
@@ -281,6 +294,10 @@
};
};
+&saradc {
+ status = "okay";
+};
+
&spdif {
status = "okay";
};