JustOS/linux-6.13/arch/arm64/boot/dts/marvell/cn9130-cf.dtsi

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2024 Josua Mayer <josua@solid-run.com>
 *
 * DTS for common base of SolidRun CN9130 Clearfog Base and Pro.
 *
 */

/ {
	aliases {
		/* label nics same order as armada 388 clearfog */
		ethernet0 = &cp0_eth2;
		ethernet1 = &cp0_eth1;
		ethernet2 = &cp0_eth0;
		i2c1 = &cp0_i2c1;
		mmc1 = &cp0_sdhci0;
	};

	reg_usb3_vbus0: regulator-usb3-vbus0 {
		compatible = "regulator-fixed";
		regulator-name = "vbus0";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpios = <&expander0 6 GPIO_ACTIVE_LOW>;
	};

	sfp: sfp {
		compatible = "sff,sfp";
		i2c-bus = <&cp0_i2c1>;
		los-gpios = <&expander0 12 GPIO_ACTIVE_HIGH>;
		mod-def0-gpios = <&expander0 15 GPIO_ACTIVE_LOW>;
		tx-disable-gpios = <&expander0 14 GPIO_ACTIVE_HIGH>;
		tx-fault-gpios = <&expander0 13 GPIO_ACTIVE_HIGH>;
		maximum-power-milliwatt = <2000>;
	};
};

/* SRDS #2 - SFP+ 10GE */
&cp0_eth0 {
	managed = "in-band-status";
	phys = <&cp0_comphy2 0>;
	phy-mode = "10gbase-r";
	sfp = <&sfp>;
	status = "okay";
};

&cp0_i2c0 {
	expander0: gpio-expander@20 {
		compatible = "nxp,pca9555";
		reg = <0x20>;
		gpio-controller;
		#gpio-cells = <2>;
		pinctrl-0 = <&expander0_pins>;
		pinctrl-names = "default";
		interrupt-parent = <&cp0_gpio1>;
		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;

		/* CON3 */
		pcie2-0-clkreq-hog {
			gpio-hog;
			gpios = <0 GPIO_ACTIVE_LOW>;
			input;
			line-name = "pcie2.0-clkreq";
		};

		/* CON3 */
		pcie2-0-w-disable-hog {
			gpio-hog;
			gpios = <3 GPIO_ACTIVE_LOW>;
			output-low;
			line-name = "pcie2.0-w-disable";
		};

		usb3-ilimit-hog {
			gpio-hog;
			gpios = <5 GPIO_ACTIVE_LOW>;
			input;
			line-name = "usb3-current-limit";
		};

		m2-devslp-hog {
			gpio-hog;
			gpios = <11 GPIO_ACTIVE_HIGH>;
			output-low;
			line-name = "m.2 devslp";
		};
	};

	/* The MCP3021 supports standard and fast modes */
	adc@4c {
		compatible = "microchip,mcp3021";
		reg = <0x4c>;
	};

	carrier_eeprom: eeprom@52 {
		compatible = "atmel,24c02";
		reg = <0x52>;
		pagesize = <8>;
	};
};

&cp0_i2c1 {
	/*
	 * Routed to SFP, M.2, mikrobus, and miniPCIe
	 * SFP limits this to 100kHz, and requires an AT24C01A/02/04 with
	 *  address pins tied low, which takes addresses 0x50 and 0x51.
	 * Mikrobus doesn't specify beyond an I2C bus being present.
	 * PCIe uses ARP to assign addresses, or 0x63-0x64.
	 */
	clock-frequency = <100000>;
	pinctrl-0 = <&cp0_i2c1_pins>;
	pinctrl-names = "default";
	status = "okay";
};

/* SRDS #5 - miniPCIe (CON3) */
&cp0_pcie2 {
	num-lanes = <1>;
	phys = <&cp0_comphy5 2>;
	/* dw-pcie inverts internally */
	reset-gpios = <&expander0 1 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

&cp0_pinctrl {
	cp0_i2c1_pins: cp0-i2c1-pins {
		marvell,pins = "mpp35", "mpp36";
		marvell,function = "i2c1";
	};

	cp0_mmc0_pins: cp0-mmc0-pins {
		marvell,pins = "mpp43", "mpp56", "mpp57", "mpp58",
			       "mpp59", "mpp60", "mpp61";
		marvell,function = "sdio";
	};

	mikro_spi_pins: cp0-spi1-cs1-pins {
		marvell,pins = "mpp12";
		marvell,function = "spi1";
	};

	mikro_uart_pins: cp0-uart-pins {
		marvell,pins = "mpp2", "mpp3";
		marvell,function = "uart1";
	};

	expander0_pins: cp0-expander0-pins {
		marvell,pins = "mpp4";
		marvell,function = "gpio";
	};
};

/* SRDS #0 - SATA on M.2 connector */
&cp0_sata0 {
	phys = <&cp0_comphy0 1>;
	status = "okay";

	/* only port 1 is available */
	/delete-node/ sata-port@0;
};

/* microSD */
&cp0_sdhci0 {
	pinctrl-0 = <&cp0_mmc0_pins>;
	pinctrl-names = "default";
	bus-width = <4>;
	no-1-8-v;
	status = "okay";
};

&cp0_spi1 {
	/* CS1 for mikrobus */
	pinctrl-0 = <&cp0_spi1_pins &mikro_spi_pins>;
};

/*
 * SRDS #1 - USB-3.0 Host on Type-A connector
 * USB-2.0 Host on mPCI-e connector (CON3)
 */
&cp0_usb3_0 {
	phys = <&cp0_comphy1 0>, <&cp0_utmi0>;
	phy-names = "comphy", "utmi";
	vbus-supply = <&reg_usb3_vbus0>;
	dr_mode = "host";
	status = "okay";
};

&cp0_utmi {
	status = "okay";
};

/* mikrobus uart */
&cp0_uart0 {
	pinctrl-0 = <&mikro_uart_pins>;
	pinctrl-names = "default";
	status = "okay";
};