From 9c7e62a8f8091d63f4257da8492501869f39d64f Mon Sep 17 00:00:00 2001
From: ZhengRong Ruan <ryan.ruan@rock-chips.com>
Date: Wed, 26 Mar 2025 17:11:23 +0800
Subject: [PATCH] arm64: dts: rockchip: rv1126b-evb: add adc keys support

Signed-off-by: ZhengRong Ruan <ryan.ruan@rock-chips.com>
Change-Id: I8042febc544fa61f2f2df63eff14dfc6f4fd7ffe
---
 arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi b/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi
index 67e6eb0cf449..b6edbe70f621 100644
--- a/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi
@@ -21,6 +21,38 @@
 		rockchip,codec = <&audio_codec>, <&acdcdig_dsm>;
 	};
 
+	adc-keys {
+		compatible = "adc-keys";
+		io-channels = <&saradc0 0>;
+		io-channel-names = "buttons";
+		poll-interval = <100>;
+		keyup-threshold-microvolt = <1800000>;
+
+		esc-key {
+			label = "esc";
+			linux,code = <KEY_ESC>;
+			press-threshold-microvolt = <0>;
+		};
+
+		right-key {
+			label = "right";
+			linux,code = <KEY_RIGHT>;
+			press-threshold-microvolt = <400781>;
+		};
+
+		left-key {
+			label = "left";
+			linux,code = <KEY_LEFT>;
+			press-threshold-microvolt = <801562>;
+		};
+
+		menu-key {
+			label = "menu";
+			linux,code = <KEY_MENU>;
+			press-threshold-microvolt = <1198828>;
+		};
+	};
+
 	backlight: backlight {
 		compatible = "pwm-backlight";
 		brightness-levels = <