From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: Thu, 20 Feb 2025 11:09:48 +0000 (+0100)
Subject: arm64: dts: mediatek: mt8390-genio-common: Configure touch vreg pins
X-Git-Tag: v6.15-rc1~159^2~31^2~9
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6e10b8e47a3bfb78c22ae0debe993164dbddd7ab;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: mediatek: mt8390-genio-common: Configure touch vreg pins

Add a pinctrl configuration for the Touchscreen IC's power line
to make sure that the pin is configured as GPIO and to stop
relying on correct pin configuration from bootloader.

Link: https://lore.kernel.org/r/20250220110948.45596-5-angelogioacchino.delregno@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---

diff --git a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
index 2f6c21f86893f..00d2f5be8e982 100644
--- a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
@@ -177,6 +177,8 @@
 		gpio = <&pio 119 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 		vin-supply = <&reg_vsys>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&touch_vreg_pins>;
 	};
 
 	usb_hub_fixed_3v3: regulator-6 {
@@ -912,6 +914,13 @@
 		};
 	};
 
+	touch_vreg_pins: touch-avdd-pins {
+		pins-power {
+			pinmux = <PINMUX_GPIO120__FUNC_B_GPIO120>;
+			output-high;
+		};
+	};
+
 	touch_pins: touch-pins {
 		pins-irq {
 			pinmux = <PINMUX_GPIO6__FUNC_B_GPIO6>;