arm: dts: mediatek: add basic support for MT7629 SoC

This adds basic support for MT7629 reference board.
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm/boot/dts/Makefile

@@ -1262,6 +1262,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
 	mt7623a-rfb-nand.dtb \
 	mt7623n-rfb-emmc.dtb \
 	mt7623n-bananapi-bpi-r2.dtb \
+	mt7629-rfb.dtb \
 	mt8127-moose.dtb \
 	mt8135-evbp1.dtb
 dtb-$(CONFIG_ARCH_MILBEAUT) += milbeaut-m10v-evb.dtb

arch/arm/boot/dts/mt7629-rfb.dts

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Ryder Lee <ryder.lee@mediatek.com>
+ */
+
+/dts-v1/;
+#include <dt-bindings/input/input.h>
+#include "mt7629.dtsi"
+
+/ {
+	model = "MediaTek MT7629 reference board";
+	compatible = "mediatek,mt7629-rfb", "mediatek,mt7629";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "factory";
+			linux,code = <KEY_RESTART>;
+			gpios = <&pio 60 GPIO_ACTIVE_LOW>;
+		};
+
+		wps {
+			label = "wps";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&pio 58 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0x40000000 0x10000000>;
+	};
+
+	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;
+	};
+
+	reg_5v: regulator-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+};
+
+&eth {
+	pinctrl-names = "default";
+	pinctrl-0 = <&eth_pins>;
+	pinctrl-1 = <&ephy_leds_pins>;
+	status = "okay";
+
+	gmac1: mac@1 {
+		compatible = "mediatek,eth-mac";
+		reg = <1>;
+		phy-handle = <&phy0>;
+	};
+
+	mdio: mdio-bus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy0: ethernet-phy@0 {
+			reg = <0>;
+			phy-mode = "gmii";
+		};
+	};
+};
+
+&i2c {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c_pins>;
+	status = "okay";
+};
+
+&qspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&qspi_pins>;
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "u-boot";
+				reg = <0x00000 0x60000>;
+				read-only;
+			};
+
+			partition@60000 {
+				label = "u-boot-env";
+				reg = <0x60000 0x10000>;
+				read-only;
+			};
+
+			factory: partition@70000 {
+				label = "factory";
+				reg = <0x70000 0x40000>;
+				read-only;
+			};
+
+			partition@b0000 {
+				label = "kernel";
+				reg = <0xb0000 0xb50000>;
+			};
+		};
+	};
+};
+
+&pcie {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_pins>;
+};
+
+&pciephy1 {
+	status = "okay";
+};
+
+&pio {
+	eth_pins: eth-pins {
+		mux {
+			function = "eth";
+			groups = "mdc_mdio";
+		};
+	};
+
+	ephy_leds_pins: ephy-leds-pins {
+		mux {
+			function = "led";
+			groups = "gphy_leds_0", "ephy_leds";
+		};
+	};
+
+	i2c_pins: i2c-pins {
+		mux {
+			function = "i2c";
+			groups =  "i2c_0";
+		};
+
+		conf {
+			pins = "I2C_SDA", "I2C_SCL";
+			drive-strength = <4>;
+			bias-disable;
+		};
+	};
+
+	pcie_pins: pcie-pins {
+		mux {
+			function = "pcie";
+			groups = "pcie_clkreq",
+				 "pcie_pereset",
+				 "pcie_wake";
+		};
+	};
+
+	pwm_pins: pwm-pins {
+		mux {
+			function = "pwm";
+			groups = "pwm_0";
+		};
+	};
+
+	/* SPI-NOR is shared pin with serial NAND */
+	qspi_pins: qspi-pins {
+		mux {
+			function = "flash";
+			groups = "spi_nor";
+		};
+	};
+
+	/* Serial NAND is shared pin with SPI-NOR */
+	serial_nand_pins: serial-nand-pins {
+		mux {
+			function = "flash";
+			groups = "snfi";
+		};
+	};
+
+	spi_pins: spi-pins {
+		mux {
+			function = "spi";
+			groups = "spi_0";
+		};
+	};
+
+	uart0_pins: uart0-pins {
+		mux {
+			function = "uart";
+			groups = "uart0_txd_rxd" ;
+		};
+	};
+
+	uart1_pins: uart1-pins {
+		mux {
+			function = "uart";
+			groups = "uart1_0_tx_rx" ;
+		};
+	};
+
+	uart2_pins: uart2-pins {
+		mux {
+			function = "uart";
+			groups = "uart2_0_txd_rxd" ;
+		};
+	};
+
+	watchdog_pins: watchdog-pins {
+		mux {
+			function = "watchdog";
+			groups = "watchdog";
+		};
+	};
+};
+
+&spi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi_pins>;
+	status = "okay";
+};
+
+&ssusb {
+	vusb33-supply = <&reg_3p3v>;
+	vbus-supply = <&reg_5v>;
+	status = "okay";
+};
+
+&u3phy0 {
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins>;
+	status = "okay";
+};
+
+&watchdog {
+	pinctrl-names = "default";
+	pinctrl-0 = <&watchdog_pins>;
+	status = "okay";
+};

include/dt-bindings/reset/mt7629-resets.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2019 MediaTek Inc.
+ */
+
+#ifndef _DT_BINDINGS_RESET_CONTROLLER_MT7629
+#define _DT_BINDINGS_RESET_CONTROLLER_MT7629
+
+/* INFRACFG resets */
+#define MT7629_INFRA_EMI_MPU_RST		0
+#define MT7629_INFRA_UART5_RST			2
+#define MT7629_INFRA_CIRQ_EINT_RST		3
+#define MT7629_INFRA_APXGPT_RST			4
+#define MT7629_INFRA_SCPSYS_RST			5
+#define MT7629_INFRA_KP_RST			6
+#define MT7629_INFRA_SPI1_RST			7
+#define MT7629_INFRA_SPI4_RST			8
+#define MT7629_INFRA_SYSTIMER_RST		9
+#define MT7629_INFRA_IRRX_RST			10
+#define MT7629_INFRA_AO_BUS_RST			16
+#define MT7629_INFRA_EMI_RST			32
+#define MT7629_INFRA_APMIXED_RST		35
+#define MT7629_INFRA_MIPI_RST			36
+#define MT7629_INFRA_TRNG_RST			37
+#define MT7629_INFRA_SYSCIRQ_RST		38
+#define MT7629_INFRA_MIPI_CSI_RST		39
+#define MT7629_INFRA_GCE_FAXI_RST		40
+#define MT7629_INFRA_I2C_SRAM_RST		41
+#define MT7629_INFRA_IOMMU_RST			47
+
+/* PERICFG resets */
+#define MT7629_PERI_UART0_SW_RST		0
+#define MT7629_PERI_UART1_SW_RST		1
+#define MT7629_PERI_UART2_SW_RST		2
+#define MT7629_PERI_BTIF_SW_RST			6
+#define MT7629_PERI_PWN_SW_RST			8
+#define MT7629_PERI_DMA_SW_RST			11
+#define MT7629_PERI_NFI_SW_RST			14
+#define MT7629_PERI_I2C0_SW_RST			22
+#define MT7629_PERI_SPI0_SW_RST			33
+#define MT7629_PERI_SPI1_SW_RST			34
+#define MT7629_PERI_FLASHIF_SW_RST		36
+
+/* PCIe Subsystem resets */
+#define MT7629_PCIE1_CORE_RST			19
+#define MT7629_PCIE1_MMIO_RST			20
+#define MT7629_PCIE1_HRST			21
+#define MT7629_PCIE1_USER_RST			22
+#define MT7629_PCIE1_PIPE_RST			23
+#define MT7629_PCIE0_CORE_RST			27
+#define MT7629_PCIE0_MMIO_RST			28
+#define MT7629_PCIE0_HRST			29
+#define MT7629_PCIE0_USER_RST			30
+#define MT7629_PCIE0_PIPE_RST			31
+
+/* SSUSB Subsystem resets */
+#define MT7629_SSUSB_PHY_PWR_RST		3
+#define MT7629_SSUSB_MAC_PWR_RST		4
+
+/* ETH Subsystem resets */
+#define MT7629_ETHSYS_SYS_RST			0
+#define MT7629_ETHSYS_MCM_RST			2
+#define MT7629_ETHSYS_HSDMA_RST			5
+#define MT7629_ETHSYS_FE_RST			6
+#define MT7629_ETHSYS_ESW_RST			16
+#define MT7629_ETHSYS_GMAC_RST			23
+#define MT7629_ETHSYS_EPHY_RST			24
+#define MT7629_ETHSYS_CRYPTO_RST		29
+#define MT7629_ETHSYS_PPE_RST			31
+
+#endif  /* _DT_BINDINGS_RESET_CONTROLLER_MT7629 */