linux-kernel - [PATCH RFC v2 4/7] arm64: dts: allwinner: fix touchscreen reset GPIO polarity

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Date:   Mon, 21 Nov 2022 18:17:21 +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 4/7] arm64: dts: allwinner: 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/allwinner/sun50i-a64-amarula-relic.dts       | 2 +-
 arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts | 2 +-
 arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi          | 2 +-
 arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts             | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
index 8233582f62881..5fd581037d987 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
@@ -122,7 +122,7 @@ touchscreen@5d {
 		interrupt-parent = <&pio>;
 		interrupts = <7 4 IRQ_TYPE_EDGE_FALLING>;
 		irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>;	/* CTP-INT: PH4 */
-		reset-gpios = <&pio 7 8 GPIO_ACTIVE_HIGH>;	/* CTP-RST: PH8 */
+		reset-gpios = <&pio 7 8 GPIO_ACTIVE_LOW>;	/* CTP-RST: PH8 */
 		touchscreen-inverted-x;
 		touchscreen-inverted-y;
 	};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts
index 577f9e1d08a14..990f042f5a5b1 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts
@@ -45,7 +45,7 @@ touchscreen@5d {
 		interrupt-parent = <&pio>;
 		interrupts = <7 4 IRQ_TYPE_EDGE_FALLING>;
 		irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>;	/* CTP-INT: PH4 */
-		reset-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>;	/* CTP-RST: PH11 */
+		reset-gpios = <&pio 7 11 GPIO_ACTIVE_LOW>;	/* CTP-RST: PH11 */
 		touchscreen-inverted-x;
 		touchscreen-inverted-y;
 	};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
index 87847116ab6d9..97359cc7f13e2 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
@@ -167,7 +167,7 @@ touchscreen@5d {
 		interrupt-parent = <&pio>;
 		interrupts = <7 4 IRQ_TYPE_LEVEL_HIGH>; /* PH4 */
 		irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
-		reset-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
+		reset-gpios = <&pio 7 11 GPIO_ACTIVE_LOW>; /* PH11 */
 		AVDD28-supply = <&reg_ldo_io0>;
 		VDDIO-supply = <&reg_ldo_io0>;
 		touchscreen-size-x = <720>;
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts
index 0a5607f73049e..c0eccc753e3f5 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts
@@ -189,7 +189,7 @@ touchscreen@5d {
 		interrupt-parent = <&pio>;
 		interrupts = <7 4 IRQ_TYPE_LEVEL_HIGH>; /* PH4 */
 		irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
-		reset-gpios = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
+		reset-gpios = <&pio 7 8 GPIO_ACTIVE_LOW>; /* PH8 */
 		AVDD28-supply = <&reg_ldo_io1>;
 	};
 };

-- 
b4 0.10.1