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[v1,1/1] arm64: dts: rockchip: rk3588-evb1: add ADC buttons

Message ID 20231005134357.37171-1-sebastian.reichel@collabora.com
State New
Headers show
Series [v1,1/1] arm64: dts: rockchip: rk3588-evb1: add ADC buttons | expand

Commit Message

Sebastian Reichel Oct. 5, 2023, 1:43 p.m. UTC 
The Rockchip EVB1 has a couple of buttons connected via an ADC
line. Let's add them to its devicetree.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
---
 .../boot/dts/rockchip/rk3588-evb1-v10.dts     | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)

Comments

Heiko Stübner Oct. 16, 2023, 8:12 p.m. UTC | #1 
On Thu, 5 Oct 2023 15:43:57 +0200, Sebastian Reichel wrote:
> The Rockchip EVB1 has a couple of buttons connected via an ADC
> line. Let's add them to its devicetree.
> 
> 

Applied, thanks!

[1/1] arm64: dts: rockchip: rk3588-evb1: add ADC buttons
      commit: afa933c208e5ea9ddf8adb460e273b2b1aba85e5

Best regards,
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
index c3fe58e39e99..b9d789d57862 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
@@ -7,6 +7,7 @@ 
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/rockchip.h>
 #include "rk3588.dtsi"
 
@@ -23,6 +24,38 @@  chosen {
 		stdout-path = "serial2:1500000n8";
 	};
 
+	adc-keys {
+		compatible = "adc-keys";
+		io-channels = <&saradc 1>;
+		io-channel-names = "buttons";
+		keyup-threshold-microvolt = <1800000>;
+		poll-interval = <100>;
+
+		button-vol-up {
+			label = "Volume Up";
+			linux,code = <KEY_VOLUMEUP>;
+			press-threshold-microvolt = <17000>;
+		};
+
+		button-vol-down {
+			label = "Volume Down";
+			linux,code = <KEY_VOLUMEDOWN>;
+			press-threshold-microvolt = <417000>;
+		};
+
+		button-menu {
+			label = "Menu";
+			linux,code = <KEY_MENU>;
+			press-threshold-microvolt = <890000>;
+		};
+
+		button-escape {
+			label = "Escape";
+			linux,code = <KEY_ESC>;
+			press-threshold-microvolt = <1235000>;
+		};
+	};
+
 	backlight: backlight {
 		compatible = "pwm-backlight";
 		power-supply = <&vcc12v_dcin>;
@@ -286,6 +319,11 @@  &pwm2 {
 	status = "okay";
 };
 
+&saradc {
+	vref-supply = <&vcc_1v8_s0>;
+	status = "okay";
+};
+
 &sdhci {
 	bus-width = <8>;
 	no-sdio;