From: Muhammed Efe Cetin <efectn@protonmail.com>
Date: Mon, 19 Feb 2024 22:34:22 +0000 (+0300)
Subject: arm64: dts: rockchip: Add saradc and adc buttons to Khadas Edge 2 and enable tsadc
X-Git-Tag: v6.10-rc1~239^2~24^2~27
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=25e31aaebed4b0e242d9a71170f8dfdf9cc8a304;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: rockchip: Add saradc and adc buttons to Khadas Edge 2 and enable tsadc

This commit enables tsadc, saradc and the
function button on saradc line for Khadas Edge 2.

Signed-off-by: Muhammed Efe Cetin <efectn@protonmail.com>
Link: https://lore.kernel.org/r/03feaafefd0c13268ba1630251558749654a567d.1708381247.git.efectn@protonmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
index 8f012ce7a5c47..4600ed2f232b1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
@@ -3,6 +3,7 @@
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/rockchip.h>
 #include <dt-bindings/leds/common.h>
 #include "rk3588s.dtsi"
@@ -20,6 +21,20 @@
 		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-function {
+			label = "Function";
+			linux,code = <KEY_FN>;
+			press-threshold-microvolt = <17000>;
+		};
+	};
+
 	ir-receiver {
 		compatible = "gpio-ir-receiver";
 		gpios = <&gpio1 RK_PA7 GPIO_ACTIVE_LOW>;
@@ -257,6 +272,11 @@
 	status = "okay";
 };
 
+&saradc {
+	vref-supply = <&avcc_1v8_s0>;
+	status = "okay";
+};
+
 &sdhci {
 	bus-width = <8>;
 	no-sdio;
@@ -601,6 +621,10 @@
 	};
 };
 
+&tsadc {
+	status = "okay";
+};
+
 &uart2 {
 	pinctrl-0 = <&uart2m0_xfer>;
 	status = "okay";