JustOS/linux-6.13/arch/arm64/boot/dts/freescale/imx8mp-dhcom-picoitx.dts

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (C) 2023-2024 Marek Vasut <marex@denx.de>
 *
 * DHCOM iMX8MP variant:
 * DHCM-iMX8ML8-C160-R204-F1638-SPI16-E-SD-RTC-T-RGB-I-01D2
 * DHCOM PCB number: 660-200 or newer
 * PicoITX PCB number: 487-600 or newer
 */

/dts-v1/;

#include <dt-bindings/leds/common.h>
#include "imx8mp-dhcom-som.dtsi"

/ {
	model = "DH electronics i.MX8M Plus DHCOM PicoITX";
	compatible = "dh,imx8mp-dhcom-picoitx", "dh,imx8mp-dhcom-som",
		     "fsl,imx8mp";

	chosen {
		stdout-path = &uart1;
	};

	led {
		compatible = "gpio-leds";

		led-0 {
			color = <LED_COLOR_ID_YELLOW>;
			default-state = "off";
			function = LED_FUNCTION_INDICATOR;
			gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */
			pinctrl-0 = <&pinctrl_dhcom_i>;
			pinctrl-names = "default";
		};
	};
};

&eqos {	/* First ethernet */
	pinctrl-0 = <&pinctrl_eqos_rmii>;
	phy-handle = <&ethphy0f>;
	phy-mode = "rmii";

	assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_266M>,
				 <&clk IMX8MP_SYS_PLL2_100M>,
				 <&clk IMX8MP_SYS_PLL2_50M>;
	assigned-clock-rates = <0>, <100000000>, <50000000>;
};

&ethphy0g {	/* Micrel KSZ9131RNXI */
	status = "disabled";
};

&ethphy0f {	/* SMSC LAN8740Ai */
	status = "okay";
};

&fec {
	status = "disabled";
};

&flexcan1 {
	status = "okay";
};

&gpio1 {
	gpio-line-names =
		"DHCOM-G", "", "", "",
		"", "DHCOM-I", "PicoITX-HW0", "PicoITX-HW2",
		"DHCOM-B", "DHCOM-A", "", "DHCOM-H", "", "", "", "",
		"", "", "", "", "", "", "", "",
		"", "", "", "", "", "", "", "";
};

&gpio2 {
	gpio-line-names =
		"", "", "", "", "", "", "", "",
		"", "", "", "PicoITX-HW1", "", "", "", "",
		"", "", "", "", "DHCOM-INT", "", "", "",
		"", "", "", "", "", "", "", "";
};

&gpio4 {
	gpio-line-names =
		"", "", "", "", "", "", "", "",
		"", "", "", "", "", "", "", "",
		"", "", "", "SOM-HW1", "", "", "", "",
		"", "", "", "PicoITX-Out2", "", "", "", "";
};

&gpio5 {
	gpio-line-names =
		"", "", "PicoITX-In2", "", "", "", "", "",
		"", "", "", "", "", "", "", "",
		"", "", "", "",
		"", "", "PicoITX-In1", "PicoITX-Out1",
		"", "", "", "", "", "", "", "";
};

/* No HS connector on this SoM variant, so no HDMI, PCIe and only USB HS. */
&hdmi_blk_ctrl {
	status = "disabled";
};

&hdmi_pvi {
	status = "disabled";
};

&hdmi_tx {
	status = "disabled";
};

&hdmi_tx_phy {
	status = "disabled";
};

&irqsteer_hdmi {
	status = "disabled";
};

&lcdif3 {
	status = "disabled";
};

&pcie_phy {
	status = "disabled";
};

&pcie {
	status = "disabled";
};

/* No WiFi/BT chipset on this SoM variant. */
&uart2 {
	bluetooth {
		status = "disabled";
	};
};

/* USB_OTG port is not routed out on PicoITX. */
&usb3_0 {
	status = "disabled";
};

&usb_dwc3_0 {
	status = "disabled";
};

&usb3_1 {
	fsl,over-current-active-low;
};

&usb_dwc3_1 {
	dr_mode = "host";
	maximum-speed = "high-speed";
};

/* No WiFi/BT chipset on this SoM variant. */
&usdhc1 {
	status = "disabled";
};

&iomuxc {
	/*
	 * The following DHCOM GPIOs are used on this board.
	 * Therefore, they have been removed from the list below.
	 * I: yellow led
	 */
	pinctrl-0 = <&pinctrl_dhcom_a &pinctrl_dhcom_b &pinctrl_dhcom_c
		     &pinctrl_dhcom_d &pinctrl_dhcom_e &pinctrl_dhcom_f
		     &pinctrl_dhcom_g &pinctrl_dhcom_h &pinctrl_dhcom_j
		     &pinctrl_dhcom_k &pinctrl_dhcom_l &pinctrl_dhcom_m
		     &pinctrl_dhcom_n &pinctrl_dhcom_o &pinctrl_dhcom_p
		     &pinctrl_dhcom_q &pinctrl_dhcom_r &pinctrl_dhcom_s
		     &pinctrl_dhcom_int>;
};