arch/arm/boot/dts/imx28-lwe.dtsi

   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 };