0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * Copyright (C) 2022 Marek Vasut <marex@denx.de>
0004 */
0005
0006 /dts-v1/;
0007
0008 #include <dt-bindings/leds/common.h>
0009 #include <dt-bindings/net/qca-ar803x.h>
0010 #include <dt-bindings/phy/phy-imx8-pcie.h>
0011 #include "imx8mp-dhcom-som.dtsi"
0012
0013 / {
0014 model = "DH electronics i.MX8M Plus DHCOM Premium Developer Kit (2)";
0015 compatible = "dh,imx8mp-dhcom-pdk2", "fsl,imx8mp";
0016
0017 chosen {
0018 stdout-path = &uart1;
0019 };
0020
0021 gpio-keys {
0022 compatible = "gpio-keys";
0023
0024 button-0 {
0025 gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; /* GPIO A */
0026 label = "TA1-GPIO-A";
0027 linux,code = <KEY_A>;
0028 pinctrl-0 = <&pinctrl_dhcom_a>;
0029 pinctrl-names = "default";
0030 wakeup-source;
0031 };
0032
0033 button-1 {
0034 gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; /* GPIO B */
0035 label = "TA2-GPIO-B";
0036 linux,code = <KEY_B>;
0037 pinctrl-0 = <&pinctrl_dhcom_b>;
0038 pinctrl-names = "default";
0039 wakeup-source;
0040 };
0041
0042 button-2 {
0043 gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; /* GPIO C */
0044 label = "TA3-GPIO-C";
0045 linux,code = <KEY_C>;
0046 pinctrl-0 = <&pinctrl_dhcom_c>;
0047 pinctrl-names = "default";
0048 wakeup-source;
0049 };
0050
0051 button-3 {
0052 gpios = <&gpio4 27 GPIO_ACTIVE_LOW>; /* GPIO D */
0053 label = "TA4-GPIO-D";
0054 linux,code = <KEY_D>;
0055 pinctrl-0 = <&pinctrl_dhcom_d>;
0056 pinctrl-names = "default";
0057 wakeup-source;
0058 };
0059 };
0060
0061 led {
0062 compatible = "gpio-leds";
0063
0064 led-0 {
0065 color = <LED_COLOR_ID_GREEN>;
0066 default-state = "off";
0067 function = LED_FUNCTION_INDICATOR;
0068 gpios = <&gpio5 22 GPIO_ACTIVE_HIGH>; /* GPIO E */
0069 pinctrl-0 = <&pinctrl_dhcom_e>;
0070 pinctrl-names = "default";
0071 };
0072
0073 led-1 {
0074 color = <LED_COLOR_ID_GREEN>;
0075 default-state = "off";
0076 function = LED_FUNCTION_INDICATOR;
0077 gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>; /* GPIO F */
0078 pinctrl-0 = <&pinctrl_dhcom_f>;
0079 pinctrl-names = "default";
0080 };
0081
0082 led-2 {
0083 color = <LED_COLOR_ID_GREEN>;
0084 default-state = "off";
0085 function = LED_FUNCTION_INDICATOR;
0086 gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>; /* GPIO H */
0087 pinctrl-0 = <&pinctrl_dhcom_h>;
0088 pinctrl-names = "default";
0089 };
0090
0091 led-3 {
0092 color = <LED_COLOR_ID_GREEN>;
0093 default-state = "off";
0094 function = LED_FUNCTION_INDICATOR;
0095 gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */
0096 pinctrl-0 = <&pinctrl_dhcom_i>;
0097 pinctrl-names = "default";
0098 };
0099 };
0100 };
0101
0102 /*
0103 * PDK2 carrier board uses SoM with KSZ9131 populated and connected to
0104 * SoM EQoS ethernet RGMII interface. Remove the other SoM PHY DT node.
0105 */
0106 /delete-node/ ðphy0f;
0107
0108 /*
0109 * PDK2 carrier board has KSZ9021 PHY populated and connected to SoM FEC
0110 * ethernet RGMII interface. The SoM is not populated with second FEC PHY.
0111 */
0112 /delete-node/ ðphy1f;
0113
0114 &fec { /* Second ethernet */
0115 phy-handle = <ðphypdk>;
0116
0117 mdio {
0118 ethphypdk: ethernet-phy@7 { /* KSZ 9021 */
0119 compatible = "ethernet-phy-ieee802.3-c22";
0120 pinctrl-0 = <&pinctrl_ethphy1>;
0121 pinctrl-names = "default";
0122 interrupt-parent = <&gpio4>;
0123 interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
0124 max-speed = <100>;
0125 reg = <7>;
0126 reset-assert-us = <1000>;
0127 reset-deassert-us = <1000>;
0128 reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
0129 rxc-skew-ps = <3000>;
0130 rxd0-skew-ps = <0>;
0131 rxd1-skew-ps = <0>;
0132 rxd2-skew-ps = <0>;
0133 rxd3-skew-ps = <0>;
0134 rxdv-skew-ps = <0>;
0135 txc-skew-ps = <3000>;
0136 txd0-skew-ps = <0>;
0137 txd1-skew-ps = <0>;
0138 txd2-skew-ps = <0>;
0139 txd3-skew-ps = <0>;
0140 txen-skew-ps = <0>;
0141 };
0142 };
0143 };
0144
0145 &flexcan1 {
0146 status = "okay";
0147 };
0148
0149 &usb3_1 {
0150 fsl,over-current-active-low;
0151 };
0152
0153 &iomuxc {
0154 /*
0155 * GPIO_A,B,C,D are connected to buttons.
0156 * GPIO_E,F,H,I are connected to LEDs.
0157 * GPIO_M is connected to CLKOUT2.
0158 */
0159 pinctrl-0 = <&pinctrl_hog_base
0160 &pinctrl_dhcom_g &pinctrl_dhcom_j
0161 &pinctrl_dhcom_k &pinctrl_dhcom_l
0162 &pinctrl_dhcom_int>;
0163 };
