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-id";
  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-id";
  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 &rtc0 {
 117         status = "okay";
 118 };
 119
 120 &pctrl {
 121         status = "okay";
 122
 123         sdio_pins_default: sdio-pins {
 124                 sdio-pinmux {
 125                         groups = "sdio";
 126                         function = "sdio";
 127                 };
 128                 sdio-det-pinmux {
 129                         groups = "pwm2";
 130                         function = "gpio";
 131                 };
 132         };
 133
 134         pwm1_pins_default: pwm1-pins {
 135                 pinmux {
 136                         groups = "pwm1";
 137                         function = "pwm1";
 138                 };
 139         };
 140
 141         pwm0_pins_default: pwm0-pins {
 142                 pinmux {
 143                         groups = "pwm0";
 144                         function = "pwm0";
 145                 };
 146         };
 147
 148         i2c1_pins_default: i2c1-pins {
 149                 pinmux {
 150                         groups = "i2c1";
 151                         function = "i2c1";
 152                 };
 153         };
 154
 155         i2c0_pins_default: i2c0-pins {
 156                 pinmux {
 157                         groups = "i2c0";
 158                         function = "i2c0";
 159                 };
 160         };
 161
 162         nand_pins_default: nand-pins {
 163                 pinmux {
 164                         groups = "nand";
 165                         function = "nand";
 166                 };
 167         };
 168
 169         hda_pins_default: hda-pins {
 170                 grp0-pinmux {
 171                         groups = "hda";
 172                         function = "hda";
 173                 };
 174                 grp1-pinmux {
 175                         groups = "i2s";
 176                         function = "gpio";
 177                 };
 178         };
 179 };