imx: add i.MX8MP EVK board

Add basic i.MX8MP EVK board support

U-Boot SPL 2020.01-rc4-00388-gb1bf40c0ae-dirty (Dec 30 2019 - 17:55:33 +0800)
power_pca9450b_init
DDRINFO: start DRAM init
DDRINFO:ddrphy calibration done
DDRINFO: ddrmix config done
Normal Boot
Failed to find clock node. Check device tree
WDT:   Not found!
Trying to boot from BOOTROM
image offset 0x8000, pagesize 0x200, ivt offset 0x0

U-Boot 2020.01-rc4-00388-gb1bf40c0ae-dirty (Dec 30 2019 - 17:55:33 +0800)

CPU:   Freescale i.MX8MP rev1.0 at 1000 MHz
Reset cause: POR
Model: NXP i.MX8MPlus EVK board
DRAM:  6 GiB
MMC:   FSL_SDHC: 1, FSL_SDHC: 2
Loading Environment from MMC... OK
In:    serial
Out:   serial
Err:   serial
Net:   No ethernet found.
Hit any key to stop autoboot:  0
u-boot=> mmc list
FSL_SDHC: 1 (SD)
FSL_SDHC: 2

Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/dts/imx8mp-evk.dts b/arch/arm/dts/imx8mp-evk.dts
new file mode 100644
index 0000000..6df3beb
--- /dev/null
+++ b/arch/arm/dts/imx8mp-evk.dts
@@ -0,0 +1,231 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2019 NXP
+ */
+
+/dts-v1/;
+
+#include "imx8mp.dtsi"
+
+/ {
+	model = "NXP i.MX8MPlus EVK board";
+	compatible = "fsl,imx8mp-evk", "fsl,imx8mp";
+
+	chosen {
+		stdout-path = &uart2;
+	};
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0x0 0x40000000 0 0xc0000000>,
+		      <0x1 0x00000000 0 0xc0000000>;
+	};
+
+	reg_usdhc2_vmmc: regulator-usdhc2 {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
+		regulator-name = "VSD_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+};
+
+&fec {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_fec>;
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethphy1>;
+	fsl,magic-packet;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy1: ethernet-phy@1 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <1>;
+			eee-broken-1000t;
+			reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&snvs_pwrkey {
+	status = "okay";
+};
+
+&uart2 {
+	/* console */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart2>;
+	status = "okay";
+};
+
+&usdhc2 {
+	assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
+	assigned-clock-rates = <400000000>;
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+	pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
+	pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
+	cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
+	vmmc-supply = <&reg_usdhc2_vmmc>;
+	bus-width = <4>;
+	status = "okay";
+};
+
+&usdhc3 {
+	assigned-clocks = <&clk IMX8MP_CLK_USDHC3>;
+	assigned-clock-rates = <400000000>;
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc3>;
+	pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+};
+
+&wdog1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog>;
+	fsl,ext-reset-output;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+
+	pinctrl_fec: fecgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI1_RXD2__ENET1_MDC		0x3
+			MX8MP_IOMUXC_SAI1_RXD3__ENET1_MDIO		0x3
+			MX8MP_IOMUXC_SAI1_RXD4__ENET1_RGMII_RD0		0x91
+			MX8MP_IOMUXC_SAI1_RXD5__ENET1_RGMII_RD1		0x91
+			MX8MP_IOMUXC_SAI1_RXD6__ENET1_RGMII_RD2		0x91
+			MX8MP_IOMUXC_SAI1_RXD7__ENET1_RGMII_RD3		0x91
+			MX8MP_IOMUXC_SAI1_TXC__ENET1_RGMII_RXC		0x91
+			MX8MP_IOMUXC_SAI1_TXFS__ENET1_RGMII_RX_CTL	0x91
+			MX8MP_IOMUXC_SAI1_TXD0__ENET1_RGMII_TD0		0x1f
+			MX8MP_IOMUXC_SAI1_TXD1__ENET1_RGMII_TD1		0x1f
+			MX8MP_IOMUXC_SAI1_TXD2__ENET1_RGMII_TD2		0x1f
+			MX8MP_IOMUXC_SAI1_TXD3__ENET1_RGMII_TD3		0x1f
+			MX8MP_IOMUXC_SAI1_TXD4__ENET1_RGMII_TX_CTL	0x1f
+			MX8MP_IOMUXC_SAI1_TXD5__ENET1_RGMII_TXC		0x1f
+			MX8MP_IOMUXC_SAI1_RXD0__GPIO4_IO02		0x19
+		>;
+	};
+
+	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmc {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19	0x41
+		>;
+	};
+
+	pinctrl_uart2: uart2grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX	0x49
+			MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX	0x49
+		>;
+	};
+
+	pinctrl_usdhc2: usdhc2grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK	0x190
+			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD	0x1d0
+			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0	0x1d0
+			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1	0x1d0
+			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2	0x1d0
+			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3	0x1d0
+			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT	0xc1
+		>;
+	};
+
+	pinctrl_usdhc2_100mhz: usdhc2grp-100mhz {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK	0x194
+			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD	0x1d4
+			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0	0x1d4
+			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1	0x1d4
+			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2	0x1d4
+			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3	0x1d4
+			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc1
+		>;
+	};
+
+	pinctrl_usdhc2_200mhz: usdhc2grp-200mhz {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK	0x196
+			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD	0x1d6
+			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0	0x1d6
+			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1	0x1d6
+			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2	0x1d6
+			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3	0x1d6
+			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc1
+		>;
+	};
+
+	pinctrl_usdhc2_gpio: usdhc2grp-gpio {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12	0x1c4
+		>;
+	};
+
+	pinctrl_usdhc3: usdhc3grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK	0x190
+			MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD	0x1d0
+			MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0	0x1d0
+			MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1	0x1d0
+			MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2	0x1d0
+			MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3	0x1d0
+			MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4	0x1d0
+			MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5	0x1d0
+			MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6	0x1d0
+			MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7	0x1d0
+			MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE	0x190
+		>;
+	};
+
+	pinctrl_usdhc3_100mhz: usdhc3grp-100mhz {
+		fsl,pins = <
+			MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK	0x194
+			MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD	0x1d4
+			MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0	0x1d4
+			MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1	0x1d4
+			MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2	0x1d4
+			MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3	0x1d4
+			MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4	0x1d4
+			MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5	0x1d4
+			MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6	0x1d4
+			MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7	0x1d4
+			MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE	0x194
+		>;
+	};
+
+	pinctrl_usdhc3_200mhz: usdhc3grp-200mhz {
+		fsl,pins = <
+			MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK	0x196
+			MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD	0x1d6
+			MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0	0x1d6
+			MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1	0x1d6
+			MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2	0x1d6
+			MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3	0x1d6
+			MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4	0x1d6
+			MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5	0x1d6
+			MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6	0x1d6
+			MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7	0x1d6
+			MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE	0x196
+		>;
+	};
+
+	pinctrl_wdog: wdoggrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B	0xc6
+		>;
+	};
+};