xref: /openbmc/linux/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2.dts (revision 1ac731c529cd4d6adbce134754b51ff7d822b145)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (C) 2022 Marek Vasut <marex@denx.de>
 *
 * DHCOM iMX8MP variant:
 * DHCM-iMX8ML8-C160-R409-F1638-SPI16-GE-CAN2-SD-RTC-WBTA-ADC-T-RGB-CSI2-HS-I-01D2
 * DHCOM PCB number: 660-100 or newer
 * PDK2 PCB number: 516-400 or newer
 */

/dts-v1/;

#include <dt-bindings/leds/common.h>
#include <dt-bindings/phy/phy-imx8-pcie.h>
#include "imx8mp-dhcom-som.dtsi"

/ {
	model = "DH electronics i.MX8M Plus DHCOM Premium Developer Kit (2)";
	compatible = "dh,imx8mp-dhcom-pdk2", "dh,imx8mp-dhcom-som",
		     "fsl,imx8mp";

	chosen {
		stdout-path = &uart1;
	};

	clk_ext_audio_codec: clock-codec {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <24000000>;
	};

	gpio-keys {
		compatible = "gpio-keys";

		button-0 {
			gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; /* GPIO A */
			label = "TA1-GPIO-A";
			linux,code = <KEY_A>;
			pinctrl-0 = <&pinctrl_dhcom_a>;
			pinctrl-names = "default";
			wakeup-source;
		};

		button-1 {
			gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; /* GPIO B */
			label = "TA2-GPIO-B";
			linux,code = <KEY_B>;
			pinctrl-0 = <&pinctrl_dhcom_b>;
			pinctrl-names = "default";
			wakeup-source;
		};

		button-2 {
			gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; /* GPIO C */
			label = "TA3-GPIO-C";
			linux,code = <KEY_C>;
			pinctrl-0 = <&pinctrl_dhcom_c>;
			pinctrl-names = "default";
			wakeup-source;
		};

		button-3 {
			gpios = <&gpio4 27 GPIO_ACTIVE_LOW>; /* GPIO D */
			label = "TA4-GPIO-D";
			linux,code = <KEY_D>;
			pinctrl-0 = <&pinctrl_dhcom_d>;
			pinctrl-names = "default";
			wakeup-source;
		};
	};

	led {
		compatible = "gpio-leds";

		led-0 {
			color = <LED_COLOR_ID_GREEN>;
			default-state = "off";
			function = LED_FUNCTION_INDICATOR;
			gpios = <&gpio5 22 GPIO_ACTIVE_HIGH>; /* GPIO E */
			pinctrl-0 = <&pinctrl_dhcom_e>;
			pinctrl-names = "default";
		};

		led-1 {
			color = <LED_COLOR_ID_GREEN>;
			default-state = "off";
			function = LED_FUNCTION_INDICATOR;
			gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>; /* GPIO F */
			pinctrl-0 = <&pinctrl_dhcom_f>;
			pinctrl-names = "default";
		};

		led-2 {
			color = <LED_COLOR_ID_GREEN>;
			default-state = "off";
			function = LED_FUNCTION_INDICATOR;
			gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>; /* GPIO H */
			pinctrl-0 = <&pinctrl_dhcom_h>;
			pinctrl-names = "default";
		};

		led-3 {
			color = <LED_COLOR_ID_GREEN>;
			default-state = "off";
			function = LED_FUNCTION_INDICATOR;
			gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */
			pinctrl-0 = <&pinctrl_dhcom_i>;
			pinctrl-names = "default";
		};
	};

	reg_3p3vdd: regulator-3p3vdd {	/* 3.3VDD */
		compatible = "regulator-fixed";
		regulator-always-on;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-name = "3P3VDD";
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "SGTL5000-Card";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&codec_dai>;
		simple-audio-card,frame-master = <&codec_dai>;
		simple-audio-card,widgets = "Headphone", "Headphone Jack";
		simple-audio-card,routing = "Headphone Jack", "HP_OUT";

		cpu_dai: simple-audio-card,cpu {
			sound-dai = <&sai3>;
		};

		codec_dai: simple-audio-card,codec {
			sound-dai = <&sgtl5000>;
		};
	};
};

&i2c5 {
	sgtl5000: codec@a {
		compatible = "fsl,sgtl5000";
		reg = <0x0a>;
		#sound-dai-cells = <0>;
		clocks = <&clk_ext_audio_codec>;
		VDDA-supply = <&reg_3p3vdd>;
		VDDIO-supply = <&reg_vdd_3p3v_awo>;
	};
};

&fec {	/* Second ethernet */
	pinctrl-0 = <&pinctrl_fec_rgmii>;
	phy-handle = <&ethphypdk>;
	phy-mode = "rgmii";

	mdio {
		ethphypdk: ethernet-phy@7 { /* KSZ 9021 */
			compatible = "ethernet-phy-ieee802.3-c22";
			pinctrl-0 = <&pinctrl_ethphy1>;
			pinctrl-names = "default";
			interrupt-parent = <&gpio4>;
			interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
			max-speed = <100>;
			reg = <7>;
			reset-assert-us = <1000>;
			reset-deassert-us = <1000>;
			reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
			rxc-skew-ps = <3000>;
			rxd0-skew-ps = <0>;
			rxd1-skew-ps = <0>;
			rxd2-skew-ps = <0>;
			rxd3-skew-ps = <0>;
			rxdv-skew-ps = <0>;
			txc-skew-ps = <3000>;
			txd0-skew-ps = <0>;
			txd1-skew-ps = <0>;
			txd2-skew-ps = <0>;
			txd3-skew-ps = <0>;
			txen-skew-ps = <0>;
		};
	};
};

&flexcan1 {
	status = "okay";
};

&pcie_phy {
	clock-names = "ref";
	clocks = <&clk IMX8MP_SYS_PLL2_100M>;
	fsl,clkreq-unsupported;
	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_UNUSED>;
	status = "okay";
};

&pcie {
	fsl,max-link-speed = <1>;
	reset-gpio = <&gpio1 6 GPIO_ACTIVE_LOW>;	/* GPIO J */
	status = "okay";
};

&sai3 {
	#sound-dai-cells = <0>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_sai3>;
	assigned-clocks = <&clk IMX8MP_CLK_SAI3>;
	assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>;
	assigned-clock-rates = <12288000>;
	fsl,sai-mclk-direction-output;
	status = "okay";
};

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

&iomuxc {
	/*
	 * GPIO_A,B,C,D are connected to buttons.
	 * GPIO_E,F,H,I are connected to LEDs.
	 * GPIO_M is connected to CLKOUT1.
	 */
	pinctrl-0 = <&pinctrl_hog_base
		     &pinctrl_dhcom_g &pinctrl_dhcom_j
		     &pinctrl_dhcom_k &pinctrl_dhcom_l
		     &pinctrl_dhcom_int>;
};