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3a125806f1
Add support for DH electronics i.MX8M Plus DHCOM SoM on PDK3 carrier board. Currently supported are serial console, EQoS and FEC ethernets, eMMC, SD, SPI NOR and USB 3.0 host. Signed-off-by: Marek Vasut <marex@denx.de>
322 lines
6.4 KiB
Plaintext
322 lines
6.4 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (C) 2023 Marek Vasut <marex@denx.de>
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*
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* DHCOM iMX8MP variant:
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* DHCM-iMX8ML8-C160-R409-F1638-SPI16-GE-CAN2-SD-RTC-WBTA-ADC-T-RGB-CSI2-HS-I-01D2
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* DHCOM PCB number: 660-100 or newer
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* PDK3 PCB number: 669-100 or newer
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*/
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/dts-v1/;
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#include <dt-bindings/leds/common.h>
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#include <dt-bindings/phy/phy-imx8-pcie.h>
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#include "imx8mp-dhcom-som.dtsi"
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/ {
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model = "DH electronics i.MX8M Plus DHCOM Premium Developer Kit (3)";
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compatible = "dh,imx8mp-dhcom-pdk3", "dh,imx8mp-dhcom-som",
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"fsl,imx8mp";
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chosen {
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stdout-path = &uart1;
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};
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clk_ext_audio_codec: clock-codec {
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#clock-cells = <0>;
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clock-frequency = <24000000>;
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compatible = "fixed-clock";
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};
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clk_xtal25: clk-xtal25 {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <25000000>;
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};
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connector {
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compatible = "usb-c-connector";
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label = "USB-C";
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data-role = "dual";
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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usb_c_0_hs_ep: endpoint {
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remote-endpoint = <&dwc3_0_hs_ep>;
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};
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};
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port@1 {
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reg = <1>;
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usb_c_0_ss_ep: endpoint {
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remote-endpoint = <&ptn5150_in_ep>;
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};
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};
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};
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};
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gpio-keys {
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compatible = "gpio-keys";
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button-0 {
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gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; /* GPIO A */
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label = "TA1-GPIO-A";
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linux,code = <KEY_A>;
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pinctrl-0 = <&pinctrl_dhcom_a>;
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pinctrl-names = "default";
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wakeup-source;
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};
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button-1 {
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gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; /* GPIO B */
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label = "TA2-GPIO-B";
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linux,code = <KEY_B>;
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pinctrl-0 = <&pinctrl_dhcom_b>;
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pinctrl-names = "default";
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wakeup-source;
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};
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button-2 {
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gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; /* GPIO C */
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label = "TA3-GPIO-C";
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linux,code = <KEY_C>;
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pinctrl-0 = <&pinctrl_dhcom_c>;
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pinctrl-names = "default";
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wakeup-source;
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};
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button-3 {
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gpios = <&gpio5 22 GPIO_ACTIVE_LOW>; /* GPIO E */
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label = "TA4-GPIO-E";
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linux,code = <KEY_E>;
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pinctrl-0 = <&pinctrl_dhcom_e>;
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pinctrl-names = "default";
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wakeup-source;
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};
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};
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led {
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compatible = "gpio-leds";
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led-0 {
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color = <LED_COLOR_ID_GREEN>;
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default-state = "off";
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function = LED_FUNCTION_INDICATOR;
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function-enumerator = <0>;
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gpios = <&gpio4 27 GPIO_ACTIVE_HIGH>; /* GPIO D */
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pinctrl-0 = <&pinctrl_dhcom_d>;
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pinctrl-names = "default";
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};
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led-1 {
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color = <LED_COLOR_ID_GREEN>;
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default-state = "off";
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function = LED_FUNCTION_INDICATOR;
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function-enumerator = <1>;
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gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>; /* GPIO F */
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pinctrl-0 = <&pinctrl_dhcom_f>;
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pinctrl-names = "default";
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};
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led-2 {
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color = <LED_COLOR_ID_GREEN>;
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default-state = "off";
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function = LED_FUNCTION_INDICATOR;
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function-enumerator = <2>;
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gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>; /* GPIO G */
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pinctrl-0 = <&pinctrl_dhcom_g>;
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pinctrl-names = "default";
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};
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led-3 {
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color = <LED_COLOR_ID_GREEN>;
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default-state = "off";
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function = LED_FUNCTION_INDICATOR;
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function-enumerator = <3>;
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gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */
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pinctrl-0 = <&pinctrl_dhcom_i>;
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pinctrl-names = "default";
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};
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};
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reg_avdd: regulator-avdd { /* AUDIO_VDD */
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compatible = "regulator-fixed";
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regulator-always-on;
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "AUDIO_VDD";
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};
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};
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&i2c5 {
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i2cmux@70 {
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compatible = "nxp,pca9540";
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reg = <0x70>;
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#address-cells = <1>;
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#size-cells = <0>;
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i2cmuxed0: i2c@0 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0>;
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typec@3d {
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compatible = "nxp,ptn5150";
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reg = <0x3d>;
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interrupt-parent = <&gpio4>;
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interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_ptn5150>;
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status = "okay";
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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ptn5150_in_ep: endpoint {
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remote-endpoint = <&usb_c_0_ss_ep>;
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};
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};
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port@1 {
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reg = <1>;
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ptn5150_out_ep: endpoint {
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remote-endpoint = <&dwc3_0_ss_ep>;
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};
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};
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};
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};
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power-sensor@40 {
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compatible = "ti,ina238";
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reg = <0x40>;
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shunt-resistor = <20000>; /* 0.02 R */
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ti,shunt-gain = <1>; /* Drop cca. 40mV */
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};
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eeprom_board: eeprom@54 {
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compatible = "atmel,24c04";
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pagesize = <16>;
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reg = <0x54>;
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};
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pcieclk: clk@6b {
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compatible = "skyworks,si52144";
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reg = <0x6b>;
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clocks = <&clk_xtal25>;
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#clock-cells = <1>;
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};
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};
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i2cmuxed1: i2c@1 { /* HDMI DDC I2C */
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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};
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};
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};
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ðphy0g {
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reg = <7>;
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};
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&fec { /* Second ethernet */
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pinctrl-0 = <&pinctrl_fec_rgmii>;
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phy-handle = <ðphypdk>;
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phy-mode = "rgmii-id";
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mdio {
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ethphypdk: ethernet-phy@7 { /* Micrel KSZ9131RNXI */
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compatible = "ethernet-phy-id0022.1642",
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"ethernet-phy-ieee802.3-c22";
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interrupt-parent = <&gpio4>;
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interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-0 = <&pinctrl_ethphy1>;
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pinctrl-names = "default";
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reg = <7>;
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reset-assert-us = <1000>;
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/* RESET_N signal rise time ~100ms */
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reset-deassert-us = <120000>;
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reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
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status = "okay";
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};
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};
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};
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&flexcan1 {
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status = "okay";
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};
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&pcie_phy {
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clocks = <&pcieclk 1>;
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clock-names = "ref";
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fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
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status = "okay";
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};
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&pcie {
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fsl,max-link-speed = <3>;
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reset-gpio = <&gpio1 6 GPIO_ACTIVE_LOW>;
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status = "okay";
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};
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&usb_dwc3_0 {
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usb-role-switch;
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port {
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#address-cells = <1>;
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#size-cells = <0>;
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dwc3_0_hs_ep: endpoint@0 {
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reg = <0>;
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remote-endpoint = <&usb_c_0_hs_ep>;
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};
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dwc3_0_ss_ep: endpoint@1 {
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reg = <1>;
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remote-endpoint = <&ptn5150_out_ep>;
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};
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};
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};
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&usb3_1 {
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fsl,disable-port-power-control;
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fsl,permanently-attached;
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};
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&usb_dwc3_1 {
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/* This port has USB5734 Hub connected to it, PWR/OC pins are unused */
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/delete-property/ pinctrl-names;
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/delete-property/ pinctrl-0;
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};
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&iomuxc {
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/*
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* GPIO_A,B,C,E are connected to buttons.
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* GPIO_D,F,G,I are connected to LEDs.
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* GPIO_H is connected to USB Hub RESET_N.
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* GPIO_M is connected to CLKOUT2.
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*/
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pinctrl-0 = <&pinctrl_hog_base
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&pinctrl_dhcom_h &pinctrl_dhcom_j &pinctrl_dhcom_k
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&pinctrl_dhcom_l
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&pinctrl_dhcom_int>;
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pinctrl_ptn5150: ptn5150grp {
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fsl,pins = <
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MX8MP_IOMUXC_SAI2_TXC__GPIO4_IO25 0x40000000
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>;
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};
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};
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