linux-kernel - [PATCH RFC v2 3/7] ARM: dts: sunxi: fix touchscreen reset GPIO polarity

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Message-Id: <20221103-upstream-goodix-reset-v2-3-2c38fb03a300@theobroma-systems.com>
Date:   Mon, 21 Nov 2022 18:17:20 +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 3/7] ARM: dts: sunxi: 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/arm/boot/dts/sun7i-a20-wexler-tab7200.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts b/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts
index fef02fcbbdf82..8c79ecdb40608 100644
--- a/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts
+++ b/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts
@@ -114,7 +114,7 @@ gt911: touchscreen@5d {
 		interrupt-parent = <&pio>;
 		interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
 		irq-gpios = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* INT (PH21) */
-		reset-gpios = <&pio 1 13 GPIO_ACTIVE_HIGH>; /* RST (PB13) */
+		reset-gpios = <&pio 1 13 GPIO_ACTIVE_LOW>; /* RST (PB13) */
 		touchscreen-swapped-x-y;
 	};
 };

-- 
b4 0.10.1