target/linux/rtl838x/dts/rtl838x.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2
   3 /dts-v1/;
   4
   5 / {
   6         #address-cells = <1>;
   7         #size-cells = <1>;
   8
   9         compatible = "realtek,rtl838x-soc";
  10
  11         cpus {
  12                 #address-cells = <1>;
  13                 #size-cells = <0>;
  14                 frequency = <500000000>;
  15
  16                 cpu@0 {
  17                         compatible = "mips,mips4KEc";
  18                         reg = <0>;
  19                 };
  20         };
  21
  22         memory@0 {
  23                 device_type = "memory";
  24                 reg = <0x0 0x8000000>;
  25         };
  26
  27         chosen {
  28                 bootargs = "console=ttyS0,38400";
  29         };
  30
  31         cpuintc: cpuintc {
  32                 #address-cells = <0>;
  33                 #interrupt-cells = <1>;
  34                 interrupt-controller;
  35                 compatible = "rtl838x,icu";
  36                 reg = <0xb8003000 0x20>;
  37         };
  38
  39         spi0: spi@b8001200 {
  40                 status = "okay";
  41
  42                 compatible = "realtek,rtl838x-nor";
  43                 reg = <0xb8001200 0x100>;
  44
  45                 #address-cells = <1>;
  46                 #size-cells = <0>;
  47         };
  48
  49         uart0: uart@b8002000 {
  50                 status = "disabled";
  51
  52                 compatible = "ns16550a";
  53                 reg = <0xb8002000 0x100>;
  54
  55                 clock-frequency = <200000000>;
  56
  57                 interrupt-parent = <&cpuintc>;
  58                 interrupts = <31>;
  59
  60                 reg-io-width = <1>;
  61                 reg-shift = <2>;
  62                 fifo-size = <1>;
  63                 no-loopback-test;
  64         };
  65
  66         uart1: uart@b8002100 {
  67                 status = "okay";
  68
  69                 compatible = "ns16550a";
  70                 reg = <0xb8002100 0x100>;
  71
  72                 clock-frequency = <200000000>;
  73
  74                 interrupt-parent = <&cpuintc>;
  75                 interrupts = <30>;
  76
  77                 reg-io-width = <1>;
  78                 reg-shift = <2>;
  79                 fifo-size = <1>;
  80                 no-loopback-test;
  81         };
  82
  83         gpio0: gpio-controller@b8003500 {
  84                 compatible = "realtek,rtl838x-gpio";
  85                 reg = <0xb8003500 0x20>;
  86                 gpio-controller;
  87                 #gpio-cells = <2>;
  88                 interrupt-parent = <&cpuintc>;
  89                 interrupts = <23>;
  90         };
  91
  92         ethernet0: ethernet@bb00a300 {
  93                 status = "okay";
  94
  95                 compatible = "realtek,rtl838x-eth";
  96                 reg = <0xbb00a300 0x100>;
  97                 interrupt-parent = <&cpuintc>;
  98                 interrupts = <24>;
  99                 #interrupt-cells = <1>;
 100                 phy-mode = "internal";
 101
 102                 fixed-link {
 103                         speed = <1000>;
 104                         full-duplex;
 105                 };
 106         };
 107
 108         switch0: switch@bb000000 {
 109                 status = "okay";
 110
 111                 compatible = "realtek,rtl838x-switch";
 112         };
 113 };