imx28-lwe.dtsi

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    1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
    2 /*
    3  * Copyright 2021
    4  * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
    5  */
    6 
    7 /dts-v1/;
    8 #include "imx28.dtsi"
    9 
   10 / {
   11         aliases {
   12                 spi2 = &ssp3;
   13         };
   14 
   15         chosen {
   16                 bootargs = "root=/dev/mmcblk0p2 rootfstype=ext4 ro rootwait console=ttyAMA0,115200 panic=1";
   17         };
   18 
   19         memory@40000000 {
   20                 reg = <0x40000000 0x08000000>;
   21         };
   22 
   23         reg_3v3: regulator-reg-3v3 {
   24                 compatible = "regulator-fixed";
   25                 regulator-name = "3V3";
   26                 regulator-min-microvolt = <3300000>;
   27                 regulator-max-microvolt = <3300000>;
   28         };
   29 
   30         reg_usb_5v: regulator-reg-usb-5v {
   31                 compatible = "regulator-fixed";
   32                 regulator-name = "usb_vbus";
   33                 regulator-min-microvolt = <5000000>;
   34                 regulator-max-microvolt = <5000000>;
   35         };
   36 
   37         reg_fec_3v3: regulator-reg-fec-3v3 {
   38                 compatible = "regulator-fixed";
   39                 regulator-name = "fec-phy";
   40                 regulator-min-microvolt = <3300000>;
   41                 regulator-max-microvolt = <3300000>;
   42         };
   43 };
   44 
   45 &duart {
   46         pinctrl-names = "default";
   47         pinctrl-0 = <&duart_pins_a>;
   48         status = "okay";
   49 };
   50 
   51 &i2c0 {
   52         pinctrl-names = "default";
   53         pinctrl-0 = <&i2c0_pins_a>;
   54         status = "okay";
   55 };
   56 
   57 &saif0 {
   58         pinctrl-names = "default";
   59         pinctrl-0 = <&saif0_pins_a>;
   60         #sound-dai-cells = <0>;
   61         assigned-clocks = <&clks 53>;
   62         assigned-clock-rates = <12000000>;
   63         status = "okay";
   64 };
   65 
   66 &saif1 {
   67         pinctrl-names = "default";
   68         pinctrl-0 = <&saif1_pins_a>;
   69         fsl,saif-master = <&saif0>;
   70         #sound-dai-cells = <0>;
   71         status = "okay";
   72 };
   73 
   74 &spi3_pins_a {
   75         fsl,pinmux-ids = <
   76                 MX28_PAD_AUART2_RX__SSP3_D4
   77                 MX28_PAD_AUART2_TX__SSP3_D5
   78                 MX28_PAD_SSP3_SCK__SSP3_SCK
   79                 MX28_PAD_SSP3_MOSI__SSP3_CMD
   80                 MX28_PAD_SSP3_MISO__SSP3_D0
   81                 MX28_PAD_SSP3_SS0__SSP3_D3
   82                 MX28_PAD_AUART2_TX__GPIO_3_9
   83         >;
   84 };
   85 
   86 &ssp0 {
   87         compatible = "fsl,imx28-mmc";
   88         pinctrl-names = "default";
   89         pinctrl-0 = <&mmc0_8bit_pins_a>;
   90         bus-width = <8>;
   91         vmmc-supply = <&reg_3v3>;
   92         non-removable;
   93         status = "okay";
   94 };
   95 
   96 &ssp2 {
   97         compatible = "fsl,imx28-spi";
   98         pinctrl-names = "default";
   99         pinctrl-0 = <&spi2_pins_a>;
  100         status = "okay";
  101 };
  102 
  103 &ssp3 {
  104         compatible = "fsl,imx28-spi";
  105         pinctrl-names = "default";
  106         pinctrl-0 = <&spi3_pins_a>;
  107         status = "okay";
  108 
  109         flash@0 {
  110                 compatible = "jedec,spi-nor";
  111                 spi-max-frequency = <40000000>;
  112                 reg = <0>;
  113 
  114                 partitions {
  115                         compatible = "fixed-partitions";
  116                         #address-cells = <1>;
  117                         #size-cells = <1>;
  118 
  119                         partition@0 {
  120                                 label = "u-boot";
  121                                 reg = <0 0x80000>;
  122                                 read-only;
  123                         };
  124 
  125                         partition@80000 {
  126                                 label = "env0";
  127                                 reg = <0x80000 0x10000>;
  128                         };
  129 
  130                         partition@90000 {
  131                                 label = "env1";
  132                                 reg = <0x90000 0x10000>;
  133                         };
  134 
  135                         partition@100000 {
  136                                 label = "kernel";
  137                                 reg = <0x100000 0x400000>;
  138                         };
  139 
  140                         partition@500000 {
  141                                 label = "swupdate";
  142                                 reg = <0x500000 0x800000>;
  143                         };
  144                 };
  145         };
  146 };
  147 
  148 &usb0 {
  149         vbus-supply = <&reg_usb_5v>;
  150         pinctrl-names = "default";
  151         pinctrl-0 = <&usb0_pins_b>, <&usb0_id_pins_a>;
  152         dr_mode = "host";
  153         status = "okay";
  154 };
  155 
  156 &usbphy0 {
  157         status = "okay";
  158 };
  159 
  160 &usb1 {
  161         vbus-supply = <&reg_usb_5v>;
  162         pinctrl-names = "default";
  163         pinctrl-0 = <&usb1_pins_b>;
  164         dr_mode = "host";
  165         status = "okay";
  166 };
  167 
  168 &usbphy1 {
  169         status = "okay";
  170 };

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sys/contrib/device-tree/src/arm/imx28-lwe.dtsi