board: Add MT8183 pumpkin board support

Add the MT8183 pumpkin board support.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index f5fe327..9a8de46 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1013,6 +1013,7 @@
 	mt7622-bananapi-bpi-r64.dtb \
 	mt7623n-bananapi-bpi-r2.dtb \
 	mt7629-rfb.dtb \
+	mt8183-pumpkin.dtb \
 	mt8512-bm1-emmc.dtb \
 	mt8516-pumpkin.dtb \
 	mt8518-ap1-emmc.dtb
diff --git a/arch/arm/dts/mt8183-pumpkin.dts b/arch/arm/dts/mt8183-pumpkin.dts
new file mode 100644
index 0000000..470a769
--- /dev/null
+++ b/arch/arm/dts/mt8183-pumpkin.dts
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2021 BayLibre SAS.
+ * Author: Fabien Parent <fparent@baylibre.com>
+ */
+
+/dts-v1/;
+
+#include <config.h>
+#include "mt8183.dtsi"
+
+/ {
+	model = "MediaTek MT8183 pumpkin board";
+	compatible = "mediatek,mt8183-pumpkin", "mediatek,mt8183";
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0 0x40000000 0 0x80000000>;
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* 192 KiB reserved for ARM Trusted Firmware (BL31) */
+		bl31_secmon_reserved: secmon@54600000 {
+			no-map;
+			reg = <0 0x54600000 0x0 0x30000>;
+		};
+
+		/* 12 MiB reserved for OP-TEE (BL32)
+		 * +-----------------------+ 0x43e0_0000
+		 * |      SHMEM 2MiB       |
+		 * +-----------------------+ 0x43c0_0000
+		 * |        | TA_RAM  8MiB |
+		 * + TZDRAM +--------------+ 0x4340_0000
+		 * |        | TEE_RAM 2MiB |
+		 * +-----------------------+ 0x4320_0000
+		 */
+		optee_reserved: optee@43200000 {
+			no-map;
+			reg = <0 0x43200000 0 0x00c00000>;
+		};
+	};
+
+	chosen {
+		stdout-path = &uart0;
+	};
+
+	reg_1p8v: regulator-1p8v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_3p3v: regulator-3p3v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+};
+
+&watchdog {
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&mmc0 {
+	bus-width = <4>;
+	max-frequency = <200000000>;
+	cap-mmc-highspeed;
+	mmc-hs200-1_8v;
+	cap-mmc-hw-reset;
+	vmmc-supply = <&reg_3p3v>;
+	vqmmc-supply = <&reg_1p8v>;
+	non-removable;
+	status = "okay";
+};
+
+&usb {
+	status = "okay";
+};
+
+&ssusb {
+	mediatek,force-vbus;
+	maximum-speed = "high-speed";
+	dr_mode = "peripheral";
+	status = "okay";
+};
diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig
index a035471..18b7756 100644
--- a/arch/arm/mach-mediatek/Kconfig
+++ b/arch/arm/mach-mediatek/Kconfig
@@ -84,6 +84,7 @@
 source "board/mediatek/mt7622/Kconfig"
 source "board/mediatek/mt7623/Kconfig"
 source "board/mediatek/mt7629/Kconfig"
+source "board/mediatek/mt8183/Kconfig"
 source "board/mediatek/mt8512/Kconfig"
 source "board/mediatek/mt8516/Kconfig"
 source "board/mediatek/mt8518/Kconfig"