arm64: dts: mediatek: Add MT8186 Ponyta Chromebooks

MT8186 ponyta, known as huaqin custom label, is a
MT8186 based laptop. It is based on the "corsola" design.
It includes LTE, touchpad combinations.

Reviewed-by: Matthias Brugger <[email protected]>
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
Signed-off-by: Jianeng Ceng <[email protected]>
Link: https://lore.kernel.org/r/20250424010850.994288-3-cengjianeng@huaqin.corp-partner.google.com
Signed-off-by: AngeloGioacchino Del Regno <[email protected]>

Author: Jianeng Ceng

arch/arm64/boot/dts/mediatek/Makefile

@@ -64,6 +64,8 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-chinchou-sku16.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-magneton-sku393216.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-magneton-sku393217.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-magneton-sku393218.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-ponyta-sku0.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-ponyta-sku1.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-rusty-sku196608.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-starmie-sku0.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8186-corsola-starmie-sku1.dtb

arch/arm64/boot/dts/mediatek/mt8186-corsola-ponyta-sku0.dts

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2023 Google LLC
+ */
+
+/dts-v1/;
+#include "mt8186-corsola-ponyta.dtsi"
+
+/ {
+	model = "Google Ponyta sku0 board";
+	compatible = "google,ponyta-sku0", "google,ponyta", "mediatek,mt8186";
+};
+
+&i2c2 {
+	trackpad@15 {
+		status = "disabled";
+	};
+};

arch/arm64/boot/dts/mediatek/mt8186-corsola-ponyta-sku1.dts

@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2023 Google LLC
+ */
+
+/dts-v1/;
+#include "mt8186-corsola-ponyta.dtsi"
+
+/ {
+	model = "Google Ponyta sku1 board";
+	compatible = "google,ponyta-sku1", "google,ponyta", "mediatek,mt8186";
+};
+
+&i2c2 {
+	trackpad@2c {
+		status = "disabled";
+	};
+};
+
+&usb_c1 {
+	status = "disabled";
+};

arch/arm64/boot/dts/mediatek/mt8186-corsola-ponyta.dtsi

@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2023 Google LLC
+ */
+
+/dts-v1/;
+#include "mt8186-corsola-steelix.dtsi"
+
+&keyboard_controller {
+	function-row-physmap = <
+		MATRIX_KEY(0x00, 0x02, 0)	/* T1 */
+		MATRIX_KEY(0x03, 0x02, 0)	/* T2 */
+		MATRIX_KEY(0x02, 0x02, 0)	/* T3 */
+		MATRIX_KEY(0x01, 0x02, 0)	/* T4 */
+		MATRIX_KEY(0x03, 0x04, 0)	/* T5 */
+		MATRIX_KEY(0x02, 0x04, 0)	/* T6 */
+		MATRIX_KEY(0x01, 0x04, 0)	/* T7 */
+		MATRIX_KEY(0x00, 0x04, 0)	/* T8 */
+		MATRIX_KEY(0x00, 0x01, 0)	/* T9 */
+		MATRIX_KEY(0x02, 0x09, 0)	/* T10 */
+		MATRIX_KEY(0x01, 0x09, 0)	/* T11 */
+		MATRIX_KEY(0x01, 0x05, 0)	/* T12 */
+	>;
+
+	linux,keymap = <
+		CROS_STD_MAIN_KEYMAP
+		MATRIX_KEY(0x00, 0x02, KEY_BACK)
+		MATRIX_KEY(0x03, 0x02, KEY_REFRESH)
+		MATRIX_KEY(0x02, 0x02, KEY_ZOOM)
+		MATRIX_KEY(0x01, 0x02, KEY_SCALE)
+		MATRIX_KEY(0x03, 0x04, KEY_SYSRQ)
+		MATRIX_KEY(0x02, 0x04, KEY_BRIGHTNESSDOWN)
+		MATRIX_KEY(0x01, 0x04, KEY_BRIGHTNESSUP)
+		MATRIX_KEY(0x00, 0x04, KEY_PLAYPAUSE)
+		MATRIX_KEY(0x00, 0x01, KEY_MICMUTE)
+		MATRIX_KEY(0x02, 0x09, KEY_MUTE)
+		MATRIX_KEY(0x01, 0x09, KEY_VOLUMEDOWN)
+		MATRIX_KEY(0x01, 0x05, KEY_VOLUMEUP)
+	>;
+};
+
+&mt6366codec {
+	mediatek,dmic-mode = <1>; /* one-wire */
+};
+
+&sound {
+	model = "mt8186_rt1019_rt5682s";
+};
+