Received-SPF: pass (google.com: domain of linux-kernel+bounces-72073-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1;
From: efectn@6tel.net
To: linux-rockchip@lists.infradead.org
Cc: devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org,
	conor+dt@kernel.org,
	heiko@sntech.de,
	sebastian.reichel@collabora.com,
	Muhammed Efe Cetin <efectn@protonmail.com>
Subject: [PATCH 6/9] arm64: dts: rockchip: Add saradc and adc buttons to Khadas Edge 2 and enable tsadc
Date: Tue, 20 Feb 2024 01:34:22 +0300
Message-ID: <03feaafefd0c13268ba1630251558749654a567d.1708381247.git.efectn@protonmail.com>
In-Reply-To: <5a7bd2cd8703e51382abfc11242de59d45286477.1708381247.git.efectn@protonmail.com>
References: <5a7bd2cd8703e51382abfc11242de59d45286477.1708381247.git.efectn@protonmail.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit

From: Muhammed Efe Cetin <efectn@protonmail.com>

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>
---
 .../dts/rockchip/rk3588s-khadas-edge2.dts     | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
index 5a3b52e62dce..dfcdbec3534d 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 @@ 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-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 @@ &pwm15 {
 	status = "okay";
 };
 
+&saradc {
+	vref-supply = <&avcc_1v8_s0>;
+	status = "okay";
+};
+
 &sdhci {
 	bus-width = <8>;
 	no-sdio;
@@ -604,6 +624,10 @@ regulator-state-mem {
 	};
 };
 
+&tsadc {
+	status = "okay";
+};
+
 &uart2 {
 	pinctrl-0 = <&uart2m0_xfer>;
 	status = "okay";
-- 
2.43.1