u-boot/arch/arm/dts/imx8mq-nitrogen-som.dtsi

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2018 Boundary Devices
 * Copyright 2021 Lucas Stach <dev@lynxeye.de>
 */

#include "imx8mq.dtsi"

/ {
	model = "Boundary Devices i.MX8MQ Nitrogen8M";
	compatible = "boundary,imx8mq-nitrogen8m-som", "fsl,imx8mq";

	chosen {
		stdout-path = &uart1;
	};

	reg_1p8v: regulator-fixed-1v8 {
		compatible = "regulator-fixed";
		regulator-name = "1P8V";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
	};

	reg_snvs: regulator-fixed-snvs {
		compatible = "regulator-fixed";
		regulator-name = "VDD_SNVS";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};
};

&{/opp-table/opp-800000000} {
	opp-microvolt = <1000000>;
};

&{/opp-table/opp-1000000000} {
	opp-microvolt = <1000000>;
};

&A53_0 {
	cpu-supply = <&reg_arm_dram>;
};

&A53_1 {
	cpu-supply = <&reg_arm_dram>;
};

&A53_2 {
	cpu-supply = <&reg_arm_dram>;
};

&A53_3 {
	cpu-supply = <&reg_arm_dram>;
};

&fec1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_fec1>;
	phy-mode = "rgmii-id";
	phy-handle = <&ethphy0>;
	fsl,magic-packet;

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

		ethphy0: ethernet-phy@4 {
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <4>;
			interrupt-parent = <&gpio1>;
			interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
		};
	};
};

&i2c1 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c1>;
	status = "okay";

	i2c-mux@70 {
		compatible = "nxp,pca9546";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_i2c1_pca9546>;
		reg = <0x70>;
		reset-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
		#address-cells = <1>;
		#size-cells = <0>;

		i2c1a: i2c@0 {
			reg = <0>;
			#address-cells = <1>;
			#size-cells = <0>;

			reg_arm_dram: regulator@60 {
				compatible = "fcs,fan53555";
				reg = <0x60>;
				regulator-name = "VDD_ARM_DRAM_1V";
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;
				regulator-always-on;
			};
		};

		i2c1b: i2c@1 {
			reg = <1>;
			#address-cells = <1>;
			#size-cells = <0>;

			reg_dram_1p1v: regulator@60 {
				compatible = "fcs,fan53555";
				reg = <0x60>;
				regulator-name = "NVCC_DRAM_1P1V";
				regulator-min-microvolt = <1100000>;
				regulator-max-microvolt = <1100000>;
				regulator-always-on;
			};
		};

		i2c1c: i2c@2 {
			reg = <2>;
			#address-cells = <1>;
			#size-cells = <0>;

			reg_soc_gpu_vpu: regulator@60 {
				compatible = "fcs,fan53555";
				reg = <0x60>;
				regulator-name = "VDD_SOC_GPU_VPU";
				regulator-min-microvolt = <900000>;
				regulator-max-microvolt = <900000>;
				regulator-always-on;
			};
		};

		i2c1d: i2c@3 {
			reg = <3>;
			#address-cells = <1>;
			#size-cells = <0>;
		};
	};
};

&pgc_gpu {
	power-supply = <&reg_soc_gpu_vpu>;
};

&pgc_vpu {
	power-supply = <&reg_soc_gpu_vpu>;
};

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

&usdhc1 {
	assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>;
	assigned-clock-rates = <400000000>;
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc1>;
	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
	vqmmc-supply = <&reg_1p8v>;
	vmmc-supply = <&reg_snvs>;
	bus-width = <8>;
	non-removable;
	no-mmc-hs400;
	no-sdio;
	no-sd;
	status = "okay";
};

&wdog1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_wdog>;
	fsl,ext-reset-output;
	status = "okay";
};

&iomuxc {
	pinctrl_fec1: fec1grp {
		fsl,pins = <
			MX8MQ_IOMUXC_ENET_MDC_ENET1_MDC			0x3
			MX8MQ_IOMUXC_ENET_MDIO_ENET1_MDIO		0x23
			MX8MQ_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL	0x1f
			MX8MQ_IOMUXC_ENET_TXC_ENET1_RGMII_TXC		0x1f
			MX8MQ_IOMUXC_ENET_TD0_ENET1_RGMII_TD0		0x1f
			MX8MQ_IOMUXC_ENET_TD1_ENET1_RGMII_TD1		0x1f
			MX8MQ_IOMUXC_ENET_TD2_ENET1_RGMII_TD2		0x1f
			MX8MQ_IOMUXC_ENET_TD3_ENET1_RGMII_TD3		0x1f
			MX8MQ_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL	0x91
			MX8MQ_IOMUXC_ENET_RXC_ENET1_RGMII_RXC		0x91
			MX8MQ_IOMUXC_ENET_RD0_ENET1_RGMII_RD0		0x91
			MX8MQ_IOMUXC_ENET_RD1_ENET1_RGMII_RD1		0x91
			MX8MQ_IOMUXC_ENET_RD2_ENET1_RGMII_RD2		0x91
			MX8MQ_IOMUXC_ENET_RD3_ENET1_RGMII_RD3		0x91
			MX8MQ_IOMUXC_GPIO1_IO09_GPIO1_IO9		0x19
			MX8MQ_IOMUXC_GPIO1_IO11_GPIO1_IO11		0x59
		>;
	};

	pinctrl_i2c1: i2c1grp {
		fsl,pins = <
			MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL			0x4000007f
			MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA			0x4000007f
		>;
	};

	pinctrl_i2c1_pca9546: i2c1-pca9546grp {
		fsl,pins = <
			MX8MQ_IOMUXC_GPIO1_IO08_GPIO1_IO8		0x49
		>;
	};

	pinctrl_uart1: uart1grp {
		fsl,pins = <
			MX8MQ_IOMUXC_UART1_RXD_UART1_DCE_RX		0x45
			MX8MQ_IOMUXC_UART1_TXD_UART1_DCE_TX		0x45
		>;
	};

	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_RESET_B_USDHC1_RESET_B		0xc1
		>;
	};

	pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
		fsl,pins = <
			MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK			0x8d
			MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD			0xcd
			MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0		0xcd
			MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1		0xcd
			MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2		0xcd
			MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3		0xcd
			MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4		0xcd
			MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5		0xcd
			MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6		0xcd
			MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7		0xcd
		>;
	};

	pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
		fsl,pins = <
			MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK			0x9f
			MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD			0xdf
			MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0		0xdf
			MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1		0xdf
			MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2		0xdf
			MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3		0xdf
			MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4		0xdf
			MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5		0xdf
			MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6		0xdf
			MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7		0xdf
		>;
	};

	pinctrl_wdog: wdoggrp {
		fsl,pins = <
			MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B		0xc6
		>;
	};
};