u-boot/arch/arm/dts/cn9130-atl-x250.dts

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2024 Allied Telesis Labs
 */

#include "cn9130.dtsi"

/ {
	model = "Allied Telesis x250";
	compatible = "alliedtelesis,x250",
		"marvell,cn9130",
		"marvell,armada-ap806-quad",
		"marvell,armada-ap806";

	aliases {
		serial0 = &uart0;
		i2c0 = &cp0_i2c0;
		i2c1 = &cp0_i2c1;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	gpio-leds {
		compatible = "gpio-leds";

		fault {
			label = "fault:red";
			gpios = <&cp0_gpio1 9 GPIO_ACTIVE_LOW>;
			default-state = "on";
		};
	};
};

/*
 * AP related configuration
 */
&ap_pinctl {
	/* AP_MPP Pins:
	 * GPIO & NC [0-6,9-10,12]
	 * UART0 [11,19]
	 * UART1 [7,8]
	 * Note: The x250-28XTm PT1 units has the console port wired
	 *       to the second uart pins (UART1). This was fixed in all
	 *       subsequent models.
	 *       Here we choose to configure the pin control for both
	 *       uarts to cater for either unit.
	 */
		/*   0 1 2 3 4 5 6 7 8 9 */
	pin-func = < 0 0 0 0 0 0 0 3 3 0
		     0 3 0 0 0 0 0 0 0 3 >;
};

&ap_gpio0 {
	pp-reset {
		gpio-hog;
		gpios = <0 GPIO_ACTIVE_LOW>;
		output-high;
		line-name = "pp-reset";
	};
};

/*
 * CP related configuration
 */
&cp0_pinctl {
	/* MPP Bus:
	 *	[0-1]	DEV
	 *	[2-8]	GPIO
	 *	[9]	DEV
	 *	[10-12]	GPIO
	 *	[13]	ND_RB
	 *	[14]	GPIO
	 *	[15-28]	DEV
	 *	[29-30]	GPIO
	 *	[31]	DEV
	 *	[32-34]	GPIO
	 *	[35-36]	I2C1
	 *	[37-38]	I2C0
	 *	[39-55]	GPIO
	 *	[56-60]	SPI
	 *	[61-62]	GPIO
	 */
		/*   0   1   2   3   4   5   6   7   8   9 */
	pin-func = < 1   1   0   0   0   0   0   0   0   1
		     0   0   0   2   0   1   1   1   1   1
		     1   1   1   1   1   1   1   1   1   0
		     0   1   0   0   0   2   2   2   2   0
		     0   0   0   0   0   0   0   0   0   0
		     0   0   0   0   0   0   6   6   6   6
		     6   0   0>;

	cp0_i2c0_pins: cp0-i2c-pins-0 {
		marvell,pins = <37 38>;
		marvell,function = <2>;
	};

	cp0_i2c0_gpio_pins: cp0-i2c-gpio-pins-0 {
		marvell,pins = <37 38>;
		marvell,function = <0>;
	};

	cp0_i2c1_pins: cp0-i2c-pins-1 {
		marvell,pins = <35 36>;
		marvell,function = <2>;
	};

	cp0_nand_pins: cp0-nand-pins {
		marvell,pins = <0 1 9 15 16 17 18 19 20 21 22 23 24 25 26 27 28 31>;
		marvell,function = <1>;
	};

	cp0_nand_rb: cp0-nand-rb {
		marvell,pins = <13>;
		marvell,function = <2>;
	};

	cp0_spi0_pins: cp0-spi-pins-0 {
		marvell,pins = <56 57 58 59 60>;
		marvell,function = <6>;
	};
};

&cp0_comphy {
	phy0 {
		phy-type = <COMPHY_TYPE_PEX0>;
	};

	phy1 {
		phy-type = <COMPHY_TYPE_IGNORE>;
	};

	phy2 {
		phy-type = <COMPHY_TYPE_IGNORE>;
	};

	phy3 {
		phy-type = <COMPHY_TYPE_IGNORE>;
	};

	phy4 {
		phy-type = <COMPHY_TYPE_IGNORE>;
	};

	phy5 {
		phy-type = <COMPHY_TYPE_IGNORE>;
	};
};

&cp0_pcie0 {
	num-lanes = <1>;
		/* non-prefetchable memory */
	ranges =<0x82000000 0 0xc0000000 0 0xc0000000 0 0x2000000>;
	status = "disabled";
};

&uart0 {
	status = "okay";
};

&uart1 {
	clock-frequency = <200000000>;
};

&cp0_utmi0 {
	status = "okay";
};

&cp0_usb3_0 {
	status = "okay";
};

&cp0_spi0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&cp0_spi0_pins>;

	spi-flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor";
		reg = <0>; /* Chip select 0 */
		spi-max-frequency = <50000000>;
		m25p,fast-read;
	};
};

&cp0_nand {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&cp0_nand_pins &cp0_nand_rb>;
	nand-ecc-strength = <4>;
	nand-ecc-step-size = <512>;
	nand-timing-mode = <4>;

	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		partition@user {
			reg = <0x00000000 0x10000000>;
			label = "user";
		};
	};
};

&cp0_gpio0
{
	nand-protect {
		gpio-hog;
		gpios = <29 GPIO_ACTIVE_LOW>;
		output-low;
		line-name = "nand-protect";
	};
};

&cp0_gpio1
{
	usb-en {
		gpio-hog;
		gpios = <0 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "usb-en";
	};

	phy-reset {
		gpio-hog;
		gpios = <21 GPIO_ACTIVE_LOW>;
		output-high;
		line-name = "phy-reset";
	};
};

&cp0_i2c0 {
	status = "okay";
	pinctrl-names = "default", "gpio";
	pinctrl-0 = <&cp0_i2c0_pins>;
	pinctrl-1 = <&cp0_i2c0_gpio_pins>;
	scl-gpios = <&cp0_gpio1 5 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
	sda-gpios = <&cp0_gpio1 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;

	mux@71 {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "nxp,pca9546";
		reg = <0x71>;
		i2c-mux-idle-disconnect;
		reset-gpios = <&cp0_gpio1 19 GPIO_ACTIVE_LOW>;

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

			hwmon@2e {
				compatible = "adi,adt7476";
				reg = <0x2e>;
			};

			rtc@68 {
				compatible = "adi,max31331";
				reg = <0x68>;
			};
		};
	};
};

&cp0_i2c1 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&cp0_i2c1_pins>;
};