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// 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;
};
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";
};
};
};
&fec { /* Second ethernet */
pinctrl-0 = <&pinctrl_fec_rgmii>;
phy-handle = <ðphypdk>;
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";
};
&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>;
};
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