xref: /openbmc/linux/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts (revision 21baf0b4)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2019 NXP
 * Copyright (C) 2023 Pengutronix, Marco Felsch <kernel@pengutronix.de>
 */

/dts-v1/;

#include "imx8mp-debix-som-a.dtsi"

/ {
	model = "Polyhex i.MX8MPlus Debix SOM A on BMB-08";
	compatible = "polyhex,imx8mp-debix-som-a-bmb-08", "polyhex,imx8mp-debix-som-a",
		     "fsl,imx8mp";

	aliases {
		ethernet0 = &eqos;
		ethernet1 = &fec;
	};

	chosen {
		stdout-path = &uart2;
	};

	reg_baseboard_vdd3v3: regulator-baseboard-vdd3v3 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-name = "BB_VDD3V3";
		/* Required timings for ethernet phy's */
		startup-delay-us = <50000>;
		off-on-delay-us = <110000>;
		gpio = <&expander0 10 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	reg_baseboard_vdd5v0: regulator-baseboard-vdd5v0 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "BB_VDD5V";
		gpio = <&expander0 9 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	regulator-som-vdd1v8 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-name = "SOM_VDD1V8_SW";
		gpio = <&expander0 12 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
	};

	regulator-som-vdd3v3 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-name = "SOM_VDD3V3_SW";
		gpio = <&expander0 11 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
	};

	regulator-vbus-usb20 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "USB20_5V";
		gpio = <&expander1 14 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
		vin-supply = <&reg_baseboard_vdd5v0>;
	};

	regulator-vbus-usb30 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "USB30_5V";
		gpio = <&expander1 12 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
		vin-supply = <&reg_baseboard_vdd5v0>;
	};

	reg_vdd5v0: regulator-vdd5v0 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "VDD_5V";
		gpio = <&expander0 8 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

&eqos {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_eqos>;
	nvmem-cells = <&ethmac1>;
	nvmem-cell-names = "mac-address";
	phy-supply = <&reg_baseboard_vdd3v3>;
	phy-handle = <&ethphy0>;
	phy-mode = "rgmii-id";
	status = "okay";

	mdio {
		compatible = "snps,dwmac-mdio";
		#address-cells = <1>;
		#size-cells = <0>;

		ethphy0: ethernet-phy@1 {
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <1>;
			reset-gpios = <&gpio4 18 GPIO_ACTIVE_LOW>;
			reset-assert-us = <20000>;
			reset-deassert-us = <150000>;
			eee-broken-1000t;
			realtek,clkout-disable;
		};
	};
};

&fec {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_fec>;
	nvmem-cells = <&ethmac2>;
	nvmem-cell-names = "mac-address";
	phy-supply = <&reg_baseboard_vdd3v3>;
	phy-handle = <&ethphy1>;
	phy-mode = "rgmii-id";
	fsl,magic-packet;
	status = "okay";

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

		ethphy1: ethernet-phy@1 {
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <1>;
			reset-gpios = <&gpio4 19 GPIO_ACTIVE_LOW>;
			reset-assert-us = <20000>;
			reset-deassert-us = <150000>;
			eee-broken-1000t;
			realtek,clkout-disable;
		};
	};
};

&flexcan1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flexcan1>;
	xceiver-supply = <&reg_vdd5v0>;
	status = "okay";
};

&flexcan2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flexcan2>;
	xceiver-supply = <&reg_vdd5v0>;
	status = "okay";
};

&flexspi {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flexspi0>;
	status = "okay";

	flash: flash@0 {
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <80000000>;
		spi-tx-bus-width = <1>;
		spi-rx-bus-width = <4>;
		#address-cells = <1>;
		#size-cells = <1>;
	};
};

&i2c4 {
	expander0: gpio@20 {
		compatible = "nxp,pca9535";
		reg = <0x20>;
		gpio-controller;
		#gpio-cells = <0x02>;
	};

	expander1: gpio@23 {
		compatible = "nxp,pca9535";
		reg = <0x23>;
		gpio-controller;
		#gpio-cells = <0x02>;

		/*
		 * Since USB1 is bound to peripheral mode we need to ensure
		 * that VBUS is turned off.
		 */
		usb30-otg-hog {
			gpio-hog;
			gpios = <13 GPIO_ACTIVE_HIGH>;
			output-low;
			line-name = "USB30_OTG_EN";
		};
	};

	rtc@51 {
		compatible = "haoyu,hym8563";
		reg = <0x51>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_rtc>;
		interrupt-parent = <&gpio4>;
		interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
		#clock-cells = <0>;
	};

	eeprom@52 {
		compatible = "atmel,24c02";
		reg = <0x52>;
		pagesize = <16>;
		#address-cells = <1>;
		#size-cells = <0>;

		/* MACs stored in ASCII */
		ethmac1: mac-address@0 {
			reg = <0x0 0xc>;
		};

		ethmac2: mac-address@c {
			reg = <0xc 0xc>;
		};
	};
};

&snvs_pwrkey {
	status = "okay";
};

/* Debug */
&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2>;
	status = "okay";
};

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

&uart4 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart4>;
	status = "okay";
};

&usb3_0 {
	status = "okay";
};

&usb3_1 {
	status = "okay";
};

&usb_dwc3_0 {
	dr_mode = "peripheral";
	status = "okay";
};

&usb_dwc3_1 {
	dr_mode = "host";
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";

	/* 2.x hub on port 1 */
	usb_hub_2_x: hub@1 {
		compatible = "usb5e3,610";
		reg = <1>;
		reset-gpios = <&expander1 9 GPIO_ACTIVE_LOW>;
		vdd-supply = <&reg_vdd5v0>;
		peer-hub = <&usb_hub_3_x>;
	};

	/* 3.x hub on port 2 */
	usb_hub_3_x: hub@2 {
		compatible = "usb5e3,620";
		reg = <2>;
		reset-gpios = <&expander1 9 GPIO_ACTIVE_LOW>;
		vdd-supply = <&reg_vdd5v0>;
		peer-hub = <&usb_hub_2_x>;
	};
};

&usb3_phy0 {
	status = "okay";
};

&usb3_phy1 {
	status = "okay";
};

/* µSD Card */
&usdhc2 {
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc2>;
	pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
	assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
	assigned-clock-rates = <400000000>;
	vmmc-supply = <&reg_usdhc2_vmmc>;
	bus-width = <4>;
	disable-wp;
	no-sdio;
	no-mmc;
	status = "okay";
};

&iomuxc {
	pinctrl_eqos: eqosgrp {
		fsl,pins = <
			MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC				0x3
			MX8MP_IOMUXC_ENET_MDIO__ENET_QOS_MDIO				0x3
			MX8MP_IOMUXC_ENET_RD0__ENET_QOS_RGMII_RD0			0x91
			MX8MP_IOMUXC_ENET_RD1__ENET_QOS_RGMII_RD1			0x91
			MX8MP_IOMUXC_ENET_RD2__ENET_QOS_RGMII_RD2			0x91
			MX8MP_IOMUXC_ENET_RD3__ENET_QOS_RGMII_RD3			0x91
			MX8MP_IOMUXC_ENET_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK	0x91
			MX8MP_IOMUXC_ENET_RX_CTL__ENET_QOS_RGMII_RX_CTL			0x91
			MX8MP_IOMUXC_ENET_TD0__ENET_QOS_RGMII_TD0			0x1f
			MX8MP_IOMUXC_ENET_TD1__ENET_QOS_RGMII_TD1			0x1f
			MX8MP_IOMUXC_ENET_TD2__ENET_QOS_RGMII_TD2			0x1f
			MX8MP_IOMUXC_ENET_TD3__ENET_QOS_RGMII_TD3			0x1f
			MX8MP_IOMUXC_ENET_TX_CTL__ENET_QOS_RGMII_TX_CTL			0x1f
			MX8MP_IOMUXC_ENET_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK	0x1f

			MX8MP_IOMUXC_SAI1_RXFS__ENET1_1588_EVENT0_IN			0x1f
			MX8MP_IOMUXC_SAI1_TXD6__GPIO4_IO18				0x19
		>;
	};

	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__ENET1_1588_EVENT1_IN    0x1f
			MX8MP_IOMUXC_SAI1_TXD7__GPIO4_IO19		0x19
		>;
	};

	pinctrl_flexcan1: flexcan1grp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI5_RXD2__CAN1_RX			0x154
			MX8MP_IOMUXC_SAI5_RXD1__CAN1_TX			0x154
		>;
	};

	pinctrl_flexcan2: flexcan2grp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI5_MCLK__CAN2_RX			0x154
			MX8MP_IOMUXC_SAI5_RXD3__CAN2_TX			0x154
		>;
	};

	pinctrl_flexspi0: flexspi0grp {
		fsl,pins = <
			MX8MP_IOMUXC_NAND_ALE__FLEXSPI_A_SCLK           0x1c2
			MX8MP_IOMUXC_NAND_CE0_B__FLEXSPI_A_SS0_B        0x82
			MX8MP_IOMUXC_NAND_DATA00__FLEXSPI_A_DATA00      0x82
			MX8MP_IOMUXC_NAND_DATA01__FLEXSPI_A_DATA01      0x82
			MX8MP_IOMUXC_NAND_DATA02__FLEXSPI_A_DATA02      0x82
			MX8MP_IOMUXC_NAND_DATA03__FLEXSPI_A_DATA03      0x82
		>;
	};

	pinctrl_i2c1: i2c1grp {
		fsl,pins = <
			MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL			0x400001c2
			MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA			0x400001c2
		>;
	};

	pinctrl_i2c4: i2c4grp {
		fsl,pins = <
			MX8MP_IOMUXC_I2C4_SCL__I2C4_SCL			0x400001c3
			MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA			0x400001c3
		>;
	};

	pinctrl_rtc: rtcgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI1_RXD1__GPIO4_IO03		0x140
		>;
	};

	pinctrl_pmic: pmicgrp {
		fsl,pins = <
			MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03		0x41
		>;
	};

	pinctrl_uart2: uart2grp {
		fsl,pins = <
			MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX		0x14f
			MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX		0x14f
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pins = <
			MX8MP_IOMUXC_UART3_RXD__UART3_DCE_RX		0x49
			MX8MP_IOMUXC_UART3_TXD__UART3_DCE_TX		0x49
		>;
	};

	pinctrl_uart4: uart4grp {
		fsl,pins = <
			MX8MP_IOMUXC_UART4_RXD__UART4_DCE_RX		0x49
			MX8MP_IOMUXC_UART4_TXD__UART4_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: usdhc2-100mhzgrp {
		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: usdhc2-200mhzgrp {
		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
		>;
	};
};