// SPDX-License-Identifier: (GPL-2.0 OR MIT)

/*
 * Copyright (C) 2018 Zodiac Inflight Innovations
 */

/dts-v1/;

#include "imx51.dtsi"

/ {
	model = "ZII SCU2 Mezz Board";
	compatible = "zii,imx51-scu2-mezz", "fsl,imx51";

	chosen {
		stdout-path = &uart1;
	};

	/* Will be filled by the bootloader */
	memory@90000000 {
		reg = <0x90000000 0>;
	};

	aliases {
		mdio-gpio0 = &mdio_gpio;
	};

	usb_vbus: regulator-usb-vbus {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usb_mmc_reset>;
		gpio = <&gpio3 13 GPIO_ACTIVE_LOW>;
		startup-delay-us = <150000>;
		regulator-name = "usb_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	mdio_gpio: mdio-gpio {
		compatible = "virtual,mdio-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_swmdio>;
		gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>, /* mdc */
			<&gpio2 6 GPIO_ACTIVE_HIGH>; /* mdio */
		#address-cells = <1>;
		#size-cells = <0>;

		switch@0 {
			compatible = "marvell,mv88e6085";
			reg = <0>;
			dsa,member = <0 0>;
			eeprom-length = <512>;
			interrupt-parent = <&gpio1>;
			interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
			interrupt-controller;
			#interrupt-cells = <2>;

			ports {
				#address-cells = <1>;
				#size-cells = <0>;

				port@0 {
					reg = <0>;
					label = "port4";
				};

				port@1 {
					reg = <1>;
					label = "port5";
				};

				port@2 {
					reg = <2>;
					label = "port6";
				};

				port@3 {
					reg = <3>;
					label = "port7";
				};

				port@4 {
					reg = <4>;
					label = "cpu";
					ethernet = <&fec>;

					fixed-link {
						speed = <100>;
						full-duplex;
					};
				};

				port@5 {
					reg = <5>;
					label = "mezz2esb";
					phy-mode = "sgmii";

					fixed-link {
						speed = <1000>;
						full-duplex;
					};
				};
			};
		};
	};
};

&cpu {
	cpu-supply = <&sw1_reg>;
};

&ecspi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_ecspi1>;
	cs-gpios = <&gpio4 24 GPIO_ACTIVE_HIGH>,
		   <&gpio4 25 GPIO_ACTIVE_LOW>;
	status = "okay";

	pmic@0 {
		compatible = "fsl,mc13892";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pmic>;
		spi-max-frequency = <6000000>;
		spi-cs-high;
		reg = <0>;
		interrupt-parent = <&gpio1>;
		interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
		fsl,mc13xxx-uses-adc;

		regulators {
			sw1_reg: sw1 {
				regulator-min-microvolt = <600000>;
				regulator-max-microvolt = <1375000>;
				regulator-boot-on;
				regulator-always-on;
			};

			sw2_reg: sw2 {
				regulator-min-microvolt = <900000>;
				regulator-max-microvolt = <1850000>;
				regulator-boot-on;
				regulator-always-on;
			};

			sw3_reg: sw3 {
				regulator-min-microvolt = <1100000>;
				regulator-max-microvolt = <1850000>;
				regulator-boot-on;
				regulator-always-on;
			};

			sw4_reg: sw4 {
				regulator-min-microvolt = <1100000>;
				regulator-max-microvolt = <1850000>;
				regulator-boot-on;
				regulator-always-on;
			};

			vpll_reg: vpll {
				regulator-min-microvolt = <1050000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
				regulator-always-on;
			};

			vdig_reg: vdig {
				regulator-min-microvolt = <1650000>;
				regulator-max-microvolt = <1650000>;
				regulator-boot-on;
			};

			vsd_reg: vsd {
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <3150000>;
				regulator-always-on;
			};

			vusb_reg: vusb {
				regulator-always-on;
			};

			vusb2_reg: vusb2 {
				regulator-min-microvolt = <2400000>;
				regulator-max-microvolt = <2775000>;
				regulator-boot-on;
				regulator-always-on;
			};

			vvideo_reg: vvideo {
				regulator-min-microvolt = <2775000>;
				regulator-max-microvolt = <2775000>;
			};

			vaudio_reg: vaudio {
				regulator-min-microvolt = <2300000>;
				regulator-max-microvolt = <3000000>;
			};

			vcam_reg: vcam {
				regulator-min-microvolt = <2500000>;
				regulator-max-microvolt = <3000000>;
			};

			vgen1_reg: vgen1 {
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1200000>;
			};

			vgen2_reg: vgen2 {
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <3150000>;
				regulator-always-on;
			};

			vgen3_reg: vgen3 {
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <2900000>;
				regulator-always-on;
			};
		};

		leds {
			#address-cells = <1>;
			#size-cells = <0>;
			led-control = <0x0 0x0 0x3f83f8 0x0>;

			sysled3: led3@3 {
				reg = <3>;
				label = "system:red:power";
				linux,default-trigger = "default-on";
			};

			sysled4: led4@4 {
				reg = <4>;
				label = "system:green:act";
				linux,default-trigger = "heartbeat";
			};
		};
	};

	flash@1 {
		compatible = "atmel,at45", "atmel,dataflash";
		reg = <1>;
		spi-max-frequency = <25000000>;
	};
};

&esdhc1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_esdhc1>;
	bus-width = <8>;
	non-removable;
	no-1-8-v;
	no-sdio;
	no-sd;
	status = "okay";
};

&esdhc4 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_esdhc4>;
	bus-width = <4>;
	no-1-8-v;
	no-sdio;
	cd-gpios = <&gpio4 8 GPIO_ACTIVE_LOW>;
	status = "okay";
};

&fec {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_fec>;
	phy-mode = "mii";
	status = "okay";
	phy-reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
	phy-reset-duration = <1>;
	phy-supply = <&vgen3_reg>;
	phy-handle = <&ethphy>;

	mdio {
		#address-cells = <1>;
		#size-cells = <0>;

		ethphy: ethernet-phy@0 {
			reg = <0>;
			max-speed = <100>;
		};
	};
};

&i2c2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";

	eeprom@50 {
		compatible = "atmel,24c04";
		pagesize = <16>;
		reg = <0x50>;
	};
};

&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart1>;
	status = "okay";
};

&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart3>;
	status = "okay";

	rave-sp {
		compatible = "zii,rave-sp-mezz";
		current-speed = <57600>;
		#address-cells = <1>;
		#size-cells = <1>;

		watchdog {
			compatible = "zii,rave-sp-watchdog-legacy";
		};

		eeprom@a4 {
			compatible = "zii,rave-sp-eeprom";
			reg = <0xa4 0x4000>;
			#address-cells = <1>;
			#size-cells = <1>;
			zii,eeprom-name = "main-eeprom";
		};
	};
};

&usbotg {
	dr_mode = "host";
	disable-over-current;
	phy_type = "utmi_wide";
	vbus-supply = <&usb_vbus>;
	status = "okay";
};

&usbphy0 {
	vcc-supply = <&vusb2_reg>;
};

&iomuxc {
	pinctrl_ecspi1: ecspi1grp {
		fsl,pins = <
			MX51_PAD_CSPI1_MISO__ECSPI1_MISO	0x185
			MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI	0x185
			MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK	0x185
			MX51_PAD_CSPI1_SS0__GPIO4_24		0x85
			MX51_PAD_CSPI1_SS1__GPIO4_25		0x85
		>;
	};

	pinctrl_esdhc1: esdhc1grp {
		fsl,pins = <
			MX51_PAD_SD1_CMD__SD1_CMD		0x400020d5
			MX51_PAD_SD1_CLK__SD1_CLK		0x20d5
			MX51_PAD_SD1_DATA0__SD1_DATA0		0x20d5
			MX51_PAD_SD1_DATA1__SD1_DATA1		0x20d5
			MX51_PAD_SD1_DATA2__SD1_DATA2		0x20d5
			MX51_PAD_SD1_DATA3__SD1_DATA3		0x20d5
			MX51_PAD_SD2_DATA0__SD1_DAT4		0x20d5
			MX51_PAD_SD2_DATA1__SD1_DAT5		0x20d5
			MX51_PAD_SD2_DATA2__SD1_DAT6		0x20d5
			MX51_PAD_SD2_DATA3__SD1_DAT7		0x20d5
		>;
	};

	pinctrl_esdhc4: esdhc4grp {
		fsl,pins = <
			MX51_PAD_NANDF_RB1__SD4_CMD		0x400020d5
			MX51_PAD_NANDF_CS2__SD4_CLK		0x20d5
			MX51_PAD_NANDF_CS3__SD4_DAT0		0x20d5
			MX51_PAD_NANDF_CS4__SD4_DAT1		0x20d5
			MX51_PAD_NANDF_CS5__SD4_DAT2		0x20d5
			MX51_PAD_NANDF_CS6__SD4_DAT3		0x20d5
			MX51_PAD_NANDF_D0__GPIO4_8		0x100
		>;
	};

	pinctrl_fec: fecgrp {
		fsl,pins = <
			MX51_PAD_DISP2_DAT15__FEC_TDATA0	0x2004
			MX51_PAD_DISP2_DAT6__FEC_TDATA1		0x2004
			MX51_PAD_DISP2_DAT7__FEC_TDATA2		0x2004
			MX51_PAD_DISP2_DAT8__FEC_TDATA3		0x2004
			MX51_PAD_DISP2_DAT9__FEC_TX_EN		0x2004
			MX51_PAD_DISP2_DAT10__FEC_COL		0x0180
			MX51_PAD_DISP2_DAT11__FEC_RX_CLK	0x0180
			MX51_PAD_DISP2_DAT12__FEC_RX_DV		0x20a4
			MX51_PAD_DISP2_DAT1__FEC_RX_ER		0x20a4
			MX51_PAD_DISP2_DAT13__FEC_TX_CLK	0x2180
			MX51_PAD_DI_GP3__FEC_TX_ER		0x2004
			MX51_PAD_DISP2_DAT14__FEC_RDATA0	0x2180
			MX51_PAD_DI2_DISP_CLK__FEC_RDATA1	0x0085
			MX51_PAD_DI_GP4__FEC_RDATA2		0x0085
			MX51_PAD_DISP2_DAT0__FEC_RDATA3		0x0085
			MX51_PAD_DI2_PIN2__FEC_MDC		0x2004
			MX51_PAD_DI2_PIN3__FEC_MDIO		0x01f5
			MX51_PAD_DI2_PIN4__FEC_CRS		0x0180
			MX51_PAD_EIM_A20__GPIO2_14		0x0085
			MX51_PAD_EIM_A21__GPIO2_15		0x00e5
		>;
	};

	pinctrl_i2c2: i2c2grp {
		fsl,pins = <
			MX51_PAD_KEY_COL4__I2C2_SCL		0x400001ed
			MX51_PAD_KEY_COL5__I2C2_SDA		0x400001ed
		>;
	};

	pinctrl_pmic: pmicgrp {
		fsl,pins = <
			MX51_PAD_GPIO1_4__GPIO1_4		0x85
			MX51_PAD_GPIO1_8__GPIO1_8		0xe5
		>;
	};

	pinctrl_swmdio: swmdiogrp {
		fsl,pins = <
			MX51_PAD_EIM_D22__GPIO2_6		0x100
			MX51_PAD_EIM_D23__GPIO2_7		0x100
		>;
	};

	pinctrl_uart1: uart1grp {
		fsl,pins = <
			MX51_PAD_UART1_RXD__UART1_RXD		0x1c5
			MX51_PAD_UART1_TXD__UART1_TXD		0x1c5
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pins = <
			MX51_PAD_UART3_RXD__UART3_RXD		0x1c5
			MX51_PAD_UART3_TXD__UART3_TXD		0x1c5
		>;
	};

	pinctrl_usb_mmc_reset: usbmmcgrp {
		fsl,pins = <
			MX51_PAD_CSI1_D9__GPIO3_13		0x85
		>;
	};
};