imx: add i.MX8MQ EVK support

Add i.MX8MQ EVK support. SPL will initialize ddr and load ddr phy
firmware. Then loading FIT image, ATF to OCRAM, U-Boot and DTB to
DRAM.

The boot log with Arm trusted firmware console enabled:
"
U-Boot SPL 2018.11-00142-g9ae14e7274 (Nov 20 2018 - 18:13:16 +0800)
PMIC:  PFUZE100 ID=0x10
Normal Boot
Trying to boot from MMC2
NOTICE:  Configureing TZASC380
NOTICE:  BL31: v1.5(release):p9.0.0_1.0.0-beta-20180928-8-ge09c4b62-dirty
NOTICE:  BL31: Built : 09:28:54, Nov  8 2018
lpddr4 swffc start
NOTICE:  sip svc init

U-Boot 2018.11-00142-g9ae14e7274 (Nov 20 2018 - 18:13:16 +0800)

CPU:   Freescale i.MX8MQ rev2.0 at 1000 MHz
Reset cause: POR
Model: Freescale i.MX8MQ EVK
DRAM:  3 GiB
MMC:   FSL_SDHC: 0, FSL_SDHC: 1
In:    serial
Out:   serial
Err:   serial
Net:
Warning: ethernet@30be0000 using MAC address from ROM
eth0: ethernet@30be0000
Hit any key to stop autoboot:  0
"

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>

3 files changed, 429 insertions, 0 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 949ee472fcc..ad494ec3efd 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -465,6 +465,8 @@ dtb-$(CONFIG_ARCH_MX7ULP) += imx7ulp-evk.dtb
 
 dtb-$(CONFIG_ARCH_IMX8) += fsl-imx8qxp-mek.dtb
 
+dtb-$(CONFIG_ARCH_IMX8M) += fsl-imx8mq-evk.dtb
+
 dtb-$(CONFIG_RCAR_GEN3) += \
 	r8a7795-h3ulcb-u-boot.dtb \
 	r8a7795-salvator-x-u-boot.dtb \
diff --git a/arch/arm/dts/fsl-imx8mq-evk.dts b/arch/arm/dts/fsl-imx8mq-evk.dts
new file mode 100644
index 00000000000..4a08099b3c3
--- /dev/null
+++ b/arch/arm/dts/fsl-imx8mq-evk.dts
@@ -0,0 +1,414 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018 NXP
+ */
+
+/dts-v1/;
+
+/* First 128KB is for PSCI ATF. */
+/memreserve/ 0x40000000 0x00020000;
+
+#include "fsl-imx8mq.dtsi"
+
+/ {
+	model = "Freescale i.MX8MQ EVK";
+	compatible = "fsl,imx8mq-evk", "fsl,imx8mq";
+
+	chosen {
+		bootargs = "console=ttymxc0,115200 earlycon=ec_imx6q,0x30860000,115200";
+	};
+
+	regulators {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		reg_usdhc2_vmmc: usdhc2_vmmc {
+			compatible = "regulator-fixed";
+			regulator-name = "VSD_3V3";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+		};
+	};
+
+	pwmleds {
+		compatible = "pwm-leds";
+
+		ledpwm2 {
+			label = "PWM2";
+			pwms = <&pwm2 0 50000>;
+			max-brightness = <255>;
+		};
+	};
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+
+	imx8mq-evk {
+		pinctrl_fec1: fec1grp {
+			fsl,pins = <
+				MX8MQ_IOMUXC_ENET_MDC_ENET1_MDC		0x3
+				MX8MQ_IOMUXC_ENET_MDIO_ENET1_MDIO	0x23
+				MX8MQ_IOMUXC_ENET_TD3_ENET1_RGMII_TD3	0x1f
+				MX8MQ_IOMUXC_ENET_TD2_ENET1_RGMII_TD2	0x1f
+				MX8MQ_IOMUXC_ENET_TD1_ENET1_RGMII_TD1	0x1f
+				MX8MQ_IOMUXC_ENET_TD0_ENET1_RGMII_TD0	0x1f
+				MX8MQ_IOMUXC_ENET_RD3_ENET1_RGMII_RD3	0x91
+				MX8MQ_IOMUXC_ENET_RD2_ENET1_RGMII_RD2	0x91
+				MX8MQ_IOMUXC_ENET_RD1_ENET1_RGMII_RD1	0x91
+				MX8MQ_IOMUXC_ENET_RD0_ENET1_RGMII_RD0	0x91
+				MX8MQ_IOMUXC_ENET_TXC_ENET1_RGMII_TXC	0x1f
+				MX8MQ_IOMUXC_ENET_RXC_ENET1_RGMII_RXC	0x91
+				MX8MQ_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL	0x91
+				MX8MQ_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL	0x1f
+				MX8MQ_IOMUXC_GPIO1_IO09_GPIO1_IO9	0x19
+			>;
+		};
+
+		pinctrl_i2c1: i2c1grp {
+			fsl,pins = <
+				MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL	0x4000007f
+				MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA	0x4000007f
+			>;
+		};
+
+		pinctrl_i2c2: i2c2grp {
+			fsl,pins = <
+				MX8MQ_IOMUXC_I2C2_SCL_I2C2_SCL	0x4000007f
+				MX8MQ_IOMUXC_I2C2_SDA_I2C2_SDA	0x4000007f
+			>;
+		};
+
+		pinctrl_pwm2: pwm2grp {
+			fsl,pins = <
+				MX8MQ_IOMUXC_GPIO1_IO13_PWM2_OUT	0x16
+			>;
+		};
+
+		pinctrl_qspi: qspigrp {
+			fsl,pins = <
+				MX8MQ_IOMUXC_NAND_ALE_QSPI_A_SCLK	0x82
+				MX8MQ_IOMUXC_NAND_CE0_B_QSPI_A_SS0_B	0x82
+				MX8MQ_IOMUXC_NAND_DATA00_QSPI_A_DATA0	0x82
+				MX8MQ_IOMUXC_NAND_DATA01_QSPI_A_DATA1	0x82
+				MX8MQ_IOMUXC_NAND_DATA02_QSPI_A_DATA2	0x82
+				MX8MQ_IOMUXC_NAND_DATA03_QSPI_A_DATA3	0x82
+
+			>;
+		};
+
+		pinctrl_usdhc1: usdhc1grp {
+			fsl,pins = <
+				MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK		0x83
+				MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD		0xc3
+				MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0	0xc3
+				MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1	0xc3
+				MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2	0xc3
+				MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3	0xc3
+				MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4	0xc3
+				MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5	0xc3
+				MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6	0xc3
+				MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7	0xc3
+				MX8MQ_IOMUXC_SD1_STROBE_USDHC1_STROBE	0x83
+				MX8MQ_IOMUXC_SD1_RESET_B_USDHC1_RESET_B	0xc1
+			>;
+		};
+
+		pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
+			fsl,pins = <
+				MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK		0x85
+				MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD		0xc5
+				MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0	0xc5
+				MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1	0xc5
+				MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2	0xc5
+				MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3	0xc5
+				MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4	0xc5
+				MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5	0xc5
+				MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6	0xc5
+				MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7	0xc5
+				MX8MQ_IOMUXC_SD1_STROBE_USDHC1_STROBE	0x85
+				MX8MQ_IOMUXC_SD1_RESET_B_USDHC1_RESET_B	0xc1
+			>;
+		};
+
+		pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
+			fsl,pins = <
+				MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK		0x87
+				MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD		0xc7
+				MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0	0xc7
+				MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1	0xc7
+				MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2	0xc7
+				MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3	0xc7
+				MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4	0xc7
+				MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5	0xc7
+				MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6	0xc7
+				MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7	0xc7
+				MX8MQ_IOMUXC_SD1_STROBE_USDHC1_STROBE	0x87
+				MX8MQ_IOMUXC_SD1_RESET_B_USDHC1_RESET_B	0xc1
+			>;
+		};
+
+		pinctrl_usdhc2_gpio: usdhc2grpgpio {
+			fsl,pins = <
+				MX8MQ_IOMUXC_SD2_CD_B_GPIO2_IO12	0x41
+				MX8MQ_IOMUXC_SD2_RESET_B_GPIO2_IO19	0x41
+			>;
+		};
+
+		pinctrl_usdhc2: usdhc2grp {
+			fsl,pins = <
+				MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK		0x83
+				MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD		0xc3
+				MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0	0xc3
+				MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1	0xc3
+				MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2	0xc3
+				MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3	0xc3
+				MX8MQ_IOMUXC_GPIO1_IO04_USDHC2_VSELECT	0xc1
+			>;
+		};
+
+		pinctrl_usdhc2_100mhz: usdhc2grp100mhz {
+			fsl,pins = <
+				MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK		0x85
+				MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD		0xc5
+				MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0	0xc5
+				MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1	0xc5
+				MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2	0xc5
+				MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3	0xc5
+				MX8MQ_IOMUXC_GPIO1_IO04_USDHC2_VSELECT	0xc1
+			>;
+		};
+
+		pinctrl_usdhc2_200mhz: usdhc2grp200mhz {
+			fsl,pins = <
+				MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK		0x87
+				MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD		0xc7
+				MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0	0xc7
+				MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1	0xc7
+				MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2	0xc7
+				MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3	0xc7
+				MX8MQ_IOMUXC_GPIO1_IO04_USDHC2_VSELECT	0xc1
+			>;
+		};
+
+		pinctrl_sai2: sai2grp {
+			fsl,pins = <
+				MX8MQ_IOMUXC_SAI2_TXFS_SAI2_TX_SYNC	0xd6
+				MX8MQ_IOMUXC_SAI2_TXC_SAI2_TX_BCLK	0xd6
+				MX8MQ_IOMUXC_SAI2_MCLK_SAI2_MCLK	0xd6
+				MX8MQ_IOMUXC_SAI2_TXD0_SAI2_TX_DATA0	0xd6
+				MX8MQ_IOMUXC_GPIO1_IO08_GPIO1_IO8	0xd6
+			>;
+		};
+
+		pinctrl_wdog: wdoggrp {
+			fsl,pins = <
+				MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6
+			>;
+		};
+	};
+};
+
+&fec1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_fec1>;
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethphy0>;
+	fsl,magic-packet;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy0: ethernet-phy@0 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <0>;
+			at803x,led-act-blind-workaround;
+			at803x,eee-disabled;
+		};
+	};
+};
+
+&i2c1 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c1>;
+	status = "okay";
+
+	pmic: pfuze100@08 {
+		compatible = "fsl,pfuze100";
+		reg = <0x08>;
+
+		regulators {
+			sw1a_reg: sw1ab {
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <1875000>;
+				regulator-always-on;
+			};
+
+			sw1c_reg: sw1c {
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <1875000>;
+				regulator-always-on;
+			};
+
+			sw2_reg: sw2 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			sw3a_reg: sw3ab {
+				regulator-min-microvolt = <400000>;
+				regulator-max-microvolt = <1975000>;
+				regulator-always-on;
+			};
+
+			sw4_reg: sw4 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			swbst_reg: swbst {
+				regulator-min-microvolt = <5000000>;
+				regulator-max-microvolt = <5150000>;
+			};
+
+			snvs_reg: vsnvs {
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-always-on;
+			};
+
+			vref_reg: vrefddr {
+				regulator-always-on;
+			};
+
+			vgen1_reg: vgen1 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1550000>;
+			};
+
+			vgen2_reg: vgen2 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1550000>;
+				regulator-always-on;
+			};
+
+			vgen3_reg: vgen3 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vgen4_reg: vgen4 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vgen5_reg: vgen5 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vgen6_reg: vgen6 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+			};
+		};
+	};
+};
+
+&i2c2 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2>;
+	status = "disabled";
+};
+
+&pwm2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm2>;
+	status = "okay";
+};
+
+&lcdif {
+	status = "okay";
+	disp-dev = "mipi_dsi_northwest";
+	display = <&display0>;
+
+	display0: display@0 {
+		bits-per-pixel = <24>;
+		bus-width = <24>;
+
+		display-timings {
+			native-mode = <&timing0>;
+			timing0: timing0 {
+			clock-frequency = <9200000>;
+			hactive = <480>;
+			vactive = <272>;
+			hfront-porch = <8>;
+			hback-porch = <4>;
+			hsync-len = <41>;
+			vback-porch = <2>;
+			vfront-porch = <4>;
+			vsync-len = <10>;
+
+			hsync-active = <0>;
+			vsync-active = <0>;
+			de-active = <1>;
+			pixelclk-active = <0>;
+			};
+		};
+	};
+};
+
+&qspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_qspi>;
+	status = "okay";
+
+	flash0: n25q256a@0 {
+		reg = <0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "micron,n25q256a";
+		spi-max-frequency = <29000000>;
+		spi-nor,ddr-quad-read-dummy = <6>;
+	};
+};
+
+&usdhc1 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc1>;
+	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+};
+
+&usdhc2 {
+	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>;
+	bus-width = <4>;
+	cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
+	vmmc-supply = <&reg_usdhc2_vmmc>;
+	status = "okay";
+};
+
+&wdog1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog>;
+	fsl,ext-reset-output;
+	status = "okay";
+};
diff --git a/arch/arm/mach-imx/imx8m/Kconfig b/arch/arm/mach-imx/imx8m/Kconfig
index 98d79c31799..317dee9bc19 100644
--- a/arch/arm/mach-imx/imx8m/Kconfig
+++ b/arch/arm/mach-imx/imx8m/Kconfig
@@ -7,4 +7,17 @@ config IMX8M
 config SYS_SOC
 	default "imx8m"
 
+choice
+	prompt  "NXP i.MX8M board select"
+	optional
+
+config TARGET_IMX8MQ_EVK
+	bool "imx8mq_evk"
+	select IMX8M
+	select IMX8M_LPDDR4
+
+endchoice
+
+source "board/freescale/imx8mq_evk/Kconfig"
+
 endif