linux-kernel - [PATCH RFC v2 5/7] arm64: dts: imx: fix touchscreen reset GPIO polarity

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Message-Id: <20221103-upstream-goodix-reset-v2-5-2c38fb03a300@theobroma-systems.com>
Date:   Mon, 21 Nov 2022 18:17:22 +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 5/7] arm64: dts: imx: 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/freescale/imx8mm-prt8mm.dts         | 2 +-
 arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-prt8mm.dts b/arch/arm64/boot/dts/freescale/imx8mm-prt8mm.dts
index 9fbbbb556c0b3..df7e5ae9698e1 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-prt8mm.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-prt8mm.dts
@@ -107,7 +107,7 @@ touchscreeen@5d {
 		interrupt-parent = <&gpio1>;
 		interrupts = <8 IRQ_TYPE_NONE>;
 		irq-gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
-		reset-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
 	};
 
 	temp-sense@70 {
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
index 6445c6b90b5bb..b038300812b1e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
@@ -542,7 +542,7 @@ touchscreen@5d {
 		pinctrl-0 = <&pinctrl_ts>;
 		interrupt-parent = <&gpio3>;
 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
-		reset-gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&gpio1 5 GPIO_ACTIVE_LOW>;
 		irq-gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>;
 		touchscreen-size-x = <720>;
 		touchscreen-size-y = <1440>;

-- 
b4 0.10.1