linux-kernel - [PATCH RFC v2 7/7] arm64: dts: rockchip: fix touchscreen reset GPIO polarity

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Date:   Mon, 21 Nov 2022 18:17:24 +0100
From:   Quentin Schulz <foss+kernel@...il.net>
To:     Shawn Guo <shawnguo@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Samuel Holland <samuel@...lland.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Fabio Estevam <festevam@...il.com>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Bastien Nocera <hadess@...ess.net>,
        Chen-Yu Tsai <wens@...e.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Hans de Goede <hdegoede@...hat.com>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        NXP Linux Team <linux-imx@....com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Quentin Schulz <quentin.schulz@...obroma-systems.com>,
        linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-input@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        devicetree@...r.kernel.org
Subject: [PATCH RFC v2 7/7] arm64: dts: rockchip: fix touchscreen reset GPIO polarity

From: Quentin Schulz <quentin.schulz@...obroma-systems.com>

The reset line is active low for the Goodix touchscreen controller so
let's fix the polarity in the Device Tree node.

Signed-off-by: Quentin Schulz <quentin.schulz@...obroma-systems.com>
---
 arch/arm64/boot/dts/rockchip/px30-evb.dts          | 2 +-
 arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi | 2 +-
 arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/px30-evb.dts b/arch/arm64/boot/dts/rockchip/px30-evb.dts
index 07008d84434c1..7ecd38566e7e4 100644
--- a/arch/arm64/boot/dts/rockchip/px30-evb.dts
+++ b/arch/arm64/boot/dts/rockchip/px30-evb.dts
@@ -420,7 +420,7 @@ touchscreen@14 {
 		interrupt-parent = <&gpio0>;
 		interrupts = <RK_PA5 IRQ_TYPE_LEVEL_LOW>;
 		irq-gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
-		reset-gpios = <&gpio0 RK_PB4 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&gpio0 RK_PB4 GPIO_ACTIVE_LOW>;
 		VDDIO-supply = <&vcc3v3_lcd>;
 	};
 
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
index 78157521e9449..e63491fb443be 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
@@ -588,7 +588,7 @@ touch: touchscreen@5d {
 		AVDD28-supply = <&vcc3v0_touch>;
 		VDDIO-supply = <&vcc3v0_touch>;
 		irq-gpios = <&gpio4 RK_PD5 GPIO_ACTIVE_HIGH>;
-		reset-gpios = <&gpio4 RK_PD6 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&gpio4 RK_PD6 GPIO_ACTIVE_LOW>;
 		status = "disabled";
 	};
 };
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
index 674792567fa6e..234531aaa430a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
@@ -495,7 +495,7 @@ touchscreen0: goodix@14 {
 		irq-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&touch_int &touch_rst>;
-		reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_LOW>;
 		VDDIO-supply = <&vcc3v3_lcd0_n>;
 	};
 };

-- 
b4 0.10.1