arch/loongarch/boot/dts/loongson-2k1000-ref.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) 2023 Loongson Technology Corporation Limited
   4  */
   5
   6 /dts-v1/;
   7
   8 #include "loongson-2k1000.dtsi"
   9
  10 / {
  11         compatible = "loongson,ls2k1000-ref", "loongson,ls2k1000";
  12         model = "Loongson-2K1000 Reference Board";
  13
  14         aliases {
  15                 serial0 = &uart0;
  16         };
  17
  18         chosen {
  19                 stdout-path = "serial0:115200n8";
  20         };
  21
  22         memory@200000 {
  23                 device_type = "memory";
  24                 reg = <0x0 0x00200000 0x0 0x06e00000>,
  25                       <0x0 0x08000000 0x0 0x07000000>,
  26                       <0x0 0x90000000 0x1 0xe0000000>;
  27         };
  28
  29         reserved-memory {
  30                 #address-cells = <2>;
  31                 #size-cells = <2>;
  32                 ranges;
  33
  34                 linux,cma {
  35                         compatible = "shared-dma-pool";
  36                         reusable;
  37                         size = <0x0 0x2000000>;
  38                         linux,cma-default;
  39                 };
  40         };
  41 };
  42
  43 &gmac0 {
  44         status = "okay";
  45
  46         phy-mode = "rgmii";
  47         phy-handle = <&phy0>;
  48         mdio {
  49                 compatible = "snps,dwmac-mdio";
  50                 #address-cells = <1>;
  51                 #size-cells = <0>;
  52                 phy0: ethernet-phy@0 {
  53                         reg = <0>;
  54                 };
  55         };
  56 };
  57
  58 &gmac1 {
  59         status = "okay";
  60
  61         phy-mode = "rgmii";
  62         phy-handle = <&phy1>;
  63         mdio {
  64                 compatible = "snps,dwmac-mdio";
  65                 #address-cells = <1>;
  66                 #size-cells = <0>;
  67                 phy1: ethernet-phy@1 {
  68                         reg = <16>;
  69                 };
  70         };
  71 };
  72
  73 &i2c2 {
  74         status = "okay";
  75
  76         pinctrl-0 = <&i2c0_pins_default>;
  77         pinctrl-names = "default";
  78
  79         #address-cells = <1>;
  80         #size-cells = <0>;
  81         eeprom@57 {
  82                 compatible = "atmel,24c16";
  83                 reg = <0x57>;
  84                 pagesize = <16>;
  85         };
  86 };
  87
  88 &spi0 {
  89         status = "okay";
  90
  91         #address-cells = <1>;
  92         #size-cells = <0>;
  93         spidev@0 {
  94                 compatible = "rohm,dh2228fv";
  95                 spi-max-frequency = <100000000>;
  96                 reg = <0>;
  97         };
  98 };
  99
 100 &ehci0 {
 101         status = "okay";
 102 };
 103
 104 &ohci0 {
 105         status = "okay";
 106 };
 107
 108 &sata {
 109         status = "okay";
 110 };
 111
 112 &uart0 {
 113         status = "okay";
 114 };
 115
 116 &clk {
 117         status = "okay";
 118 };
 119
 120 &rtc0 {
 121         status = "okay";
 122 };
 123
 124 &pctrl {
 125         status = "okay";
 126
 127         sdio_pins_default: sdio-pins {
 128                 sdio-pinmux {
 129                         groups = "sdio";
 130                         function = "sdio";
 131                 };
 132                 sdio-det-pinmux {
 133                         groups = "pwm2";
 134                         function = "gpio";
 135                 };
 136         };
 137
 138         pwm1_pins_default: pwm1-pins {
 139                 pinmux {
 140                         groups = "pwm1";
 141                         function = "pwm1";
 142                 };
 143         };
 144
 145         pwm0_pins_default: pwm0-pins {
 146                 pinmux {
 147                         groups = "pwm0";
 148                         function = "pwm0";
 149                 };
 150         };
 151
 152         i2c1_pins_default: i2c1-pins {
 153                 pinmux {
 154                         groups = "i2c1";
 155                         function = "i2c1";
 156                 };
 157         };
 158
 159         i2c0_pins_default: i2c0-pins {
 160                 pinmux {
 161                         groups = "i2c0";
 162                         function = "i2c0";
 163                 };
 164         };
 165
 166         nand_pins_default: nand-pins {
 167                 pinmux {
 168                         groups = "nand";
 169                         function = "nand";
 170                 };
 171         };
 172
 173         hda_pins_default: hda-pins {
 174                 grp0-pinmux {
 175                         groups = "hda";
 176                         function = "hda";
 177                 };
 178                 grp1-pinmux {
 179                         groups = "i2s";
 180                         function = "gpio";
 181                 };
 182         };
 183 };