From: Hsin-Te Yuan <yuanhsinte@chromium.org>
Date: Mon, 20 Jan 2025 03:35:29 +0000 (+0000)
Subject: arm64: dts: mediatek: mt8183: Switch to Elan touchscreen driver
X-Git-Tag: v6.15-rc1~159^2~31^2~18
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=baa898850fb81e730a1d9de8eb89f8f58e8ec565;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: mediatek: mt8183: Switch to Elan touchscreen driver

After commit 2be404486c05 ("HID: i2c-hid-of: Add reset GPIO support to
i2c-hid-of"), the i2c-hid-of driver used by some mt8183 devices resets
the touchscreen without having enough post-reset delay. This makes those
touchscreen fail to get probed.

Switch to Elan touchscreen driver, which has enough post-reset delay.

Fixes: 2be404486c05 ("HID: i2c-hid-of: Add reset GPIO support to i2c-hid-of")
Signed-off-by: Hsin-Te Yuan <yuanhsinte@chromium.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-damu.dts b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-damu.dts
index 3935d83a047e0..7bc7c2687d6f6 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-damu.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-damu.dts
@@ -14,16 +14,13 @@
 };
 
 &touchscreen {
-	status = "okay";
+	compatible = "elan,ekth6a12nay";
 
-	compatible = "hid-over-i2c";
-	reg = <0x10>;
-	interrupts-extended = <&pio 155 IRQ_TYPE_LEVEL_LOW>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&touchscreen_pins>;
 
-	post-power-on-delay-ms = <10>;
-	hid-descr-addr = <0x0001>;
+	vcc33-supply = <&pp3300_alw>;
+	vccio-supply = <&pp1800_alw>;
 };
 
 &mt6358codec {
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-fennel-sku1.dts b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-fennel-sku1.dts
index 72852b7600383..863f3e403de85 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-fennel-sku1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-fennel-sku1.dts
@@ -27,16 +27,12 @@
 };
 
 &touchscreen {
-	status = "okay";
+	compatible = "elan,ekth6a12nay";
 
-	compatible = "hid-over-i2c";
-	reg = <0x10>;
-	interrupts-extended = <&pio 155 IRQ_TYPE_LEVEL_LOW>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&touchscreen_pins>;
 
-	post-power-on-delay-ms = <10>;
-	hid-descr-addr = <0x0001>;
+	vcc33-supply = <&pp3300_alw>;
 };
 
 &qca_wifi {
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-fennel-sku6.dts b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-fennel-sku6.dts
index 757d0afd14fb0..e0a583ce4a0bb 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-fennel-sku6.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-fennel-sku6.dts
@@ -14,16 +14,12 @@
 };
 
 &touchscreen {
-	status = "okay";
+	compatible = "elan,ekth6a12nay";
 
-	compatible = "hid-over-i2c";
-	reg = <0x10>;
-	interrupts-extended = <&pio 155 IRQ_TYPE_LEVEL_LOW>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&touchscreen_pins>;
 
-	post-power-on-delay-ms = <10>;
-	hid-descr-addr = <0x0001>;
+	vcc33-supply = <&pp3300_alw>;
 };
 
 
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-fennel-sku7.dts b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-fennel-sku7.dts
index 6641b087e7c5f..7874c9a20e124 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-fennel-sku7.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-fennel-sku7.dts
@@ -14,16 +14,12 @@
 };
 
 &touchscreen {
-	status = "okay";
+	compatible = "elan,ekth6a12nay";
 
-	compatible = "hid-over-i2c";
-	reg = <0x10>;
-	interrupts-extended = <&pio 155 IRQ_TYPE_LEVEL_LOW>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&touchscreen_pins>;
 
-	post-power-on-delay-ms = <10>;
-	hid-descr-addr = <0x0001>;
+	vcc33-supply = <&pp3300_alw>;
 };