arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright (C) 2022 Marek Vasut <marex@denx.de>
   4  *
   5  * DHCOM iMX8MP variant:
   6  * DHCM-iMX8ML8-C160-R409-F1638-SPI16-GE-CAN2-SD-RTC-WBTA-ADC-T-RGB-CSI2-HS-I-01D2
   7  * DHCOM PCB number: 660-100 or newer
   8  * PDK2 PCB number: 516-400 or newer
   9  */
  10
  11 /dts-v1/;
  12
  13 #include <dt-bindings/leds/common.h>
  14 #include <dt-bindings/phy/phy-imx8-pcie.h>
  15 #include "imx8mp-dhcom-som.dtsi"
  16
  17 / {
  18         model = "DH electronics i.MX8M Plus DHCOM Premium Developer Kit (2)";
  19         compatible = "dh,imx8mp-dhcom-pdk2", "dh,imx8mp-dhcom-som",
  20                      "fsl,imx8mp";
  21
  22         chosen {
  23                 stdout-path = &uart1;
  24         };
  25
  26         gpio-keys {
  27                 compatible = "gpio-keys";
  28
  29                 button-0 {
  30                         gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; /* GPIO A */
  31                         label = "TA1-GPIO-A";
  32                         linux,code = <KEY_A>;
  33                         pinctrl-0 = <&pinctrl_dhcom_a>;
  34                         pinctrl-names = "default";
  35                         wakeup-source;
  36                 };
  37
  38                 button-1 {
  39                         gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; /* GPIO B */
  40                         label = "TA2-GPIO-B";
  41                         linux,code = <KEY_B>;
  42                         pinctrl-0 = <&pinctrl_dhcom_b>;
  43                         pinctrl-names = "default";
  44                         wakeup-source;
  45                 };
  46
  47                 button-2 {
  48                         gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; /* GPIO C */
  49                         label = "TA3-GPIO-C";
  50                         linux,code = <KEY_C>;
  51                         pinctrl-0 = <&pinctrl_dhcom_c>;
  52                         pinctrl-names = "default";
  53                         wakeup-source;
  54                 };
  55
  56                 button-3 {
  57                         gpios = <&gpio4 27 GPIO_ACTIVE_LOW>; /* GPIO D */
  58                         label = "TA4-GPIO-D";
  59                         linux,code = <KEY_D>;
  60                         pinctrl-0 = <&pinctrl_dhcom_d>;
  61                         pinctrl-names = "default";
  62                         wakeup-source;
  63                 };
  64         };
  65
  66         led {
  67                 compatible = "gpio-leds";
  68
  69                 led-0 {
  70                         color = <LED_COLOR_ID_GREEN>;
  71                         default-state = "off";
  72                         function = LED_FUNCTION_INDICATOR;
  73                         gpios = <&gpio5 22 GPIO_ACTIVE_HIGH>; /* GPIO E */
  74                         pinctrl-0 = <&pinctrl_dhcom_e>;
  75                         pinctrl-names = "default";
  76                 };
  77
  78                 led-1 {
  79                         color = <LED_COLOR_ID_GREEN>;
  80                         default-state = "off";
  81                         function = LED_FUNCTION_INDICATOR;
  82                         gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>; /* GPIO F */
  83                         pinctrl-0 = <&pinctrl_dhcom_f>;
  84                         pinctrl-names = "default";
  85                 };
  86
  87                 led-2 {
  88                         color = <LED_COLOR_ID_GREEN>;
  89                         default-state = "off";
  90                         function = LED_FUNCTION_INDICATOR;
  91                         gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>; /* GPIO H */
  92                         pinctrl-0 = <&pinctrl_dhcom_h>;
  93                         pinctrl-names = "default";
  94                 };
  95
  96                 led-3 {
  97                         color = <LED_COLOR_ID_GREEN>;
  98                         default-state = "off";
  99                         function = LED_FUNCTION_INDICATOR;
 100                         gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */
 101                         pinctrl-0 = <&pinctrl_dhcom_i>;
 102                         pinctrl-names = "default";
 103                 };
 104         };
 105 };
 106
 107 &fec {  /* Second ethernet */
 108         pinctrl-0 = <&pinctrl_fec_rgmii>;
 109         phy-handle = <&ethphypdk>;
 110         phy-mode = "rgmii";
 111
 112         mdio {
 113                 ethphypdk: ethernet-phy@7 { /* KSZ 9021 */
 114                         compatible = "ethernet-phy-ieee802.3-c22";
 115                         pinctrl-0 = <&pinctrl_ethphy1>;
 116                         pinctrl-names = "default";
 117                         interrupt-parent = <&gpio4>;
 118                         interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
 119                         max-speed = <100>;
 120                         reg = <7>;
 121                         reset-assert-us = <1000>;
 122                         reset-deassert-us = <1000>;
 123                         reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
 124                         rxc-skew-ps = <3000>;
 125                         rxd0-skew-ps = <0>;
 126                         rxd1-skew-ps = <0>;
 127                         rxd2-skew-ps = <0>;
 128                         rxd3-skew-ps = <0>;
 129                         rxdv-skew-ps = <0>;
 130                         txc-skew-ps = <3000>;
 131                         txd0-skew-ps = <0>;
 132                         txd1-skew-ps = <0>;
 133                         txd2-skew-ps = <0>;
 134                         txd3-skew-ps = <0>;
 135                         txen-skew-ps = <0>;
 136                 };
 137         };
 138 };
 139
 140 &flexcan1 {
 141         status = "okay";
 142 };
 143
 144 &pcie_phy {
 145         clock-names = "ref";
 146         clocks = <&clk IMX8MP_SYS_PLL2_100M>;
 147         fsl,clkreq-unsupported;
 148         fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_UNUSED>;
 149         status = "okay";
 150 };
 151
 152 &pcie {
 153         fsl,max-link-speed = <1>;
 154         reset-gpio = <&gpio1 6 GPIO_ACTIVE_LOW>;        /* GPIO J */
 155         status = "okay";
 156 };
 157
 158 &usb3_1 {
 159         fsl,over-current-active-low;
 160 };
 161
 162 &iomuxc {
 163         /*
 164          * GPIO_A,B,C,D are connected to buttons.
 165          * GPIO_E,F,H,I are connected to LEDs.
 166          * GPIO_M is connected to CLKOUT1.
 167          */
 168         pinctrl-0 = <&pinctrl_hog_base
 169                      &pinctrl_dhcom_g &pinctrl_dhcom_j
 170                      &pinctrl_dhcom_k &pinctrl_dhcom_l
 171                      &pinctrl_dhcom_int>;
 172 };