Quelle  imx8mm-iot-gateway.dts   Sprache: unbekannt

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
//
// Copyright 2020 CompuLab

#include "imx8mm-ucm-som.dtsi"
#include <dt-bindings/phy/phy-imx8-pcie.h>
/ {
 model = "CompuLab i.MX8MM IoT Gateway";
 compatible = "compulab,imx8mm-iot-gateway", "compulab,imx8mm-ucm-som", "fsl,imx8mm";

 regulator-usbhub-ena {
  compatible = "regulator-fixed";
  regulator-name = "usbhub_ena";
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;
  gpio = <&gpio4 28 GPIO_ACTIVE_HIGH>;
  enable-active-high;
  regulator-always-on;
 };

 regulator-usbhub-rst {
  compatible = "regulator-fixed";
  regulator-name = "usbhub_rst";
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;
  gpio = <&gpio3 24 GPIO_ACTIVE_HIGH>;
  enable-active-high;
  regulator-always-on;
 };

 regulator-uart1-mode {
  compatible = "regulator-fixed";
  regulator-name = "uart1_mode";
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;
  gpio = <&gpio4 26 GPIO_ACTIVE_HIGH>;
  enable-active-high;
  regulator-always-on;
 };

 regulator-uart1-duplex {
  compatible = "regulator-fixed";
  regulator-name = "uart1_duplex";
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;
  gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
  enable-active-high;
  regulator-always-on;
 };

 regulator-uart1-shdn {
  compatible = "regulator-fixed";
  regulator-name = "uart1_shdn";
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;
  gpio = <&gpio5 5 GPIO_ACTIVE_HIGH>;
  enable-active-high;
  regulator-always-on;
 };

 regulator-uart1-trmen {
  compatible = "regulator-fixed";
  regulator-name = "uart1_trmen";
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;
  gpio = <&gpio4 25 GPIO_ACTIVE_LOW>;
  regulator-always-on;
 };

 regulator-usdhc2-v {
  compatible = "regulator-fixed";
  regulator-name = "usdhc2_v";
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;
  gpio = <&gpio1 4 GPIO_ACTIVE_HIGH>;
  enable-active-high;
  regulator-always-on;
 };

 regulator-mpcie2-rst {
  compatible = "regulator-fixed";
  regulator-name = "mpcie2_rst";
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;
  gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
  enable-active-high;
  regulator-always-on;
 };

 regulator-mpcie2lora-dis {
  compatible = "regulator-fixed";
  regulator-name = "mpcie2lora_dis";
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;
  gpio = <&gpio3 21 GPIO_ACTIVE_HIGH>;
  enable-active-high;
  regulator-always-on;
 };

 pcie0_refclk: clock-pcie0-refclk {
  compatible = "fixed-clock";
  #clock-cells = <0>;
  clock-frequency = <100000000>;
 };
};

&i2c1 {
 clock-frequency = <100000>;
 pinctrl-names = "default";
 pinctrl-0 = <&pinctrl_i2c1>;
 status = "okay";

 eeprom@54 {
  compatible = "atmel,24c08";
  reg = <0x54>;
  pagesize = <16>;
 };
};

&ecspi1 {
 pinctrl-names = "default";
 pinctrl-0 = <&pinctrl_ecspi1 &pinctrl_ecspi1_cs>;
 cs-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
 status = "okay";
};

&pcie_phy {
 fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
 fsl,tx-deemph-gen1 = <0x2d>;
 fsl,tx-deemph-gen2 = <0xf>;
 fsl,clkreq-unsupported;
 clocks = <&pcie0_refclk>;
 clock-names = "ref";
 status = "okay";
};

&pcie0 {
 pinctrl-names = "default";
 pinctrl-0 = <&pinctrl_pcie0>;
 reset-gpio = <&gpio3 20 GPIO_ACTIVE_LOW>;
 status = "okay";
};

&usbotg1 {
 dr_mode = "host";
 status = "okay";
};

&usbotg2 {
 #address-cells = <1>;
 #size-cells = <0>;
 dr_mode = "host";
 usb-role-switch;
 status = "okay";

 usbhub@1 {
  compatible = "usb424,9514";
  reg = <1>;
  pinctrl-names = "default";
  pinctrl-0 = <&pinctrl_usb9514>;
  #address-cells = <1>;
  #size-cells = <0>;

  ethernet: ethernet@1 {
   compatible = "usb424,ec00";
   reg = <1>;
  };
 };
};

&usdhc2 {
 pinctrl-names = "default";
 pinctrl-0 = <&pinctrl_usdhc2>;
 bus-width = <4>;
 mmc-ddr-1_8v;
 non-removable;
 status = "okay";
};

&iomuxc {
 pinctrl-names = "default";
 pinctrl-0 = <&pinctrl_hog>;

 pinctrl_hog: hoggrp {
  fsl,pins = <
   /* mPCIe2 */
   MX8MM_IOMUXC_SAI5_RXD0_GPIO3_IO21  0x140
   MX8MM_IOMUXC_SAI5_RXD1_GPIO3_IO22  0x140
  >;
 };

 pinctrl_ecspi1: ecspi1grp {
  fsl,pins = <
   MX8MM_IOMUXC_ECSPI1_SCLK_ECSPI1_SCLK  0x82
   MX8MM_IOMUXC_ECSPI1_MOSI_ECSPI1_MOSI  0x82
   MX8MM_IOMUXC_ECSPI1_MISO_ECSPI1_MISO  0x82
  >;
 };

 pinctrl_ecspi1_cs: ecspi1csgrp {
  fsl,pins = <
   MX8MM_IOMUXC_ECSPI1_SS0_GPIO5_IO9  0x40000
  >;
 };

 pinctrl_pcie0: pcie0grp {
  fsl,pins = <
   MX8MM_IOMUXC_SAI5_RXC_GPIO3_IO20  0x140
  >;
 };

 pinctrl_usb9514: usb9514grp {
  fsl,pins = <
   MX8MM_IOMUXC_SAI3_RXFS_GPIO4_IO28  0x140 /* USB_PS_EN */
   MX8MM_IOMUXC_SAI5_RXD3_GPIO3_IO24  0x140 /* HUB_RSTn */
  >;
 };
};