// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (C) 2023 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
* PDK3 PCB number: 669-100 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 (3)";
compatible = "dh,imx8mp-dhcom-pdk3", "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>;
};
clk_xtal25: clock-xtal25 {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <25000000>;
};
connector {
compatible = "usb-c-connector";
label = "USB-C";
data-role = "dual";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
usb_c_0_hs_ep: endpoint {
remote-endpoint = <&dwc3_0_hs_ep>;
};
};
port@1 {
reg = <1>;
usb_c_0_ss_ep: endpoint {
remote-endpoint = <&ptn5150_in_ep>;
};
};
};
};
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 = <&gpio5 22 GPIO_ACTIVE_LOW>; /* GPIO E */
label = "TA4-GPIO-E";
linux,code = <KEY_E>;
pinctrl-0 = <&pinctrl_dhcom_e>;
pinctrl-names = "default";
wakeup-source;
};
};
led {
compatible = "gpio-leds";
led-0 {
color = <LED_COLOR_ID_GREEN>;
default-state = "off";
function = LED_FUNCTION_INDICATOR;
function-enumerator = <0>;
gpios = <&gpio4 27 GPIO_ACTIVE_HIGH>; /* GPIO D */
pinctrl-0 = <&pinctrl_dhcom_d>;
pinctrl-names = "default";
};
led-1 {
color = <LED_COLOR_ID_GREEN>;
default-state = "off";
function = LED_FUNCTION_INDICATOR;
function-enumerator = <1>;
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;
function-enumerator = <2>;
gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>; /* GPIO G */
pinctrl-0 = <&pinctrl_dhcom_g>;
pinctrl-names = "default";
};
led-3 {
color = <LED_COLOR_ID_GREEN>;
default-state = "off";
function = LED_FUNCTION_INDICATOR;
function-enumerator = <3>;
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 {
i2c-mux@70 {
compatible = "nxp,pca9540";
reg = <0x70>;
#address-cells = <1>;
#size-cells = <0>;
i2cmuxed0: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
sgtl5000: codec@a {
compatible = "fsl,sgtl5000";
reg = <0x0a>;
#sound-dai-cells = <0>;
clocks = <&clk_ext_audio_codec>;
VDDA-supply = <®_3p3vdd>;
VDDIO-supply = <®_vdd_3p3v_awo>;
};
typec@3d {
compatible = "nxp,ptn5150";
reg = <0x3d>;
interrupt-parent = <&gpio4>;
interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ptn5150>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
ptn5150_in_ep: endpoint {
remote-endpoint = <&usb_c_0_ss_ep>;
};
};
port@1 {
reg = <1>;
ptn5150_out_ep: endpoint {
remote-endpoint = <&dwc3_0_ss_ep>;
};
};
};
};
power-sensor@40 {
compatible = "ti,ina238";
reg = <0x40>;
shunt-resistor = <20000>; /* 0.02 R */
ti,shunt-gain = <1>; /* Drop cca. 40mV */
};
eeprom_board: eeprom@54 {
compatible = "atmel,24c04";
pagesize = <16>;
reg = <0x54>;
};
pcieclk: clock@6b {
compatible = "skyworks,si52144";
reg = <0x6b>;
clocks = <&clk_xtal25>;
#clock-cells = <1>;
};
};
i2cmuxed1: i2c@1 { /* HDMI DDC I2C */
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
};
};
};
ðphy0g {
reg = <7>;
};
&fec { /* Second ethernet */
pinctrl-0 = <&pinctrl_fec_rgmii>;
phy-handle = <ðphypdk>;
phy-mode = "rgmii-id";
mdio {
ethphypdk: ethernet-phy@7 { /* Micrel KSZ9131RNXI */
compatible = "ethernet-phy-id0022.1642",
"ethernet-phy-ieee802.3-c22";
interrupt-parent = <&gpio4>;
interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
pinctrl-0 = <&pinctrl_ethphy1>;
pinctrl-names = "default";
reg = <7>;
reset-assert-us = <1000>;
/* RESET_N signal rise time ~100ms */
reset-deassert-us = <120000>;
reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
};
};
};
&flexcan1 {
status = "okay";
};
&pcie_phy {
clocks = <&pcieclk 1>;
clock-names = "ref";
fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
status = "okay";
};
&pcie {
fsl,max-link-speed = <3>;
reset-gpio = <&gpio1 6 GPIO_ACTIVE_LOW>;
status = "okay";
};
&sai3 {
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";
};
&usb_dwc3_0 {
usb-role-switch;
port {
#address-cells = <1>;
#size-cells = <0>;
dwc3_0_hs_ep: endpoint@0 {
reg = <0>;
remote-endpoint = <&usb_c_0_hs_ep>;
};
dwc3_0_ss_ep: endpoint@1 {
reg = <1>;
remote-endpoint = <&ptn5150_out_ep>;
};
};
};
&usb3_1 {
fsl,disable-port-power-control;
fsl,permanently-attached;
};
&usb_dwc3_1 {
/* This port has USB5734 Hub connected to it, PWR/OC pins are unused */
/delete-property/ pinctrl-names;
/delete-property/ pinctrl-0;
};
&iomuxc {
/*
* GPIO_A,B,C,E are connected to buttons.
* GPIO_D,F,G,I are connected to LEDs.
* GPIO_H is connected to USB Hub RESET_N.
* GPIO_M is connected to CLKOUT2.
*/
pinctrl-0 = <&pinctrl_hog_base
&pinctrl_dhcom_h &pinctrl_dhcom_j &pinctrl_dhcom_k
&pinctrl_dhcom_l
&pinctrl_dhcom_int>;
pinctrl_ptn5150: ptn5150grp {
fsl,pins = <
MX8MP_IOMUXC_SAI2_TXC__GPIO4_IO25 0x40000000
>;
};
};