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         reg = <0xbb000000 0xa000>;
  11
  12         cpus {
  13                 #address-cells = <1>;
  14                 #size-cells = <0>;
  15                 frequency = <500000000>;
  16
  17                 cpu@0 {
  18                         compatible = "mips,mips4KEc";
  19                         reg = <0>;
  20                 };
  21         };
  22
  23         memory@0 {
  24                 device_type = "memory";
  25                 reg = <0x0 0x8000000>;
  26         };
  27
  28         chosen {
  29                 bootargs = "console=ttyS0,38400";
  30         };
  31
  32         cpuintc: cpuintc {
  33                 #address-cells = <0>;
  34                 #interrupt-cells = <1>;
  35                 interrupt-controller;
  36                 compatible = "rtl838x,icu";
  37                 reg = <0xb8003000 0x20>;
  38         };
  39
  40         spi0: spi@b8001200 {
  41                 status = "okay";
  42
  43                 compatible = "realtek,rtl838x-nor";
  44                 reg = <0xb8001200 0x100>;
  45
  46                 #address-cells = <1>;
  47                 #size-cells = <0>;
  48         };
  49
  50         uart0: uart@b8002000 {
  51                 status = "disabled";
  52
  53                 compatible = "ns16550a";
  54                 reg = <0xb8002000 0x100>;
  55
  56                 clock-frequency = <200000000>;
  57                 interrupts = <31>;
  58
  59                 reg-io-width = <1>;
  60                 reg-shift = <2>;
  61                 fifo-size = <1>;
  62                 no-loopback-test;
  63         };
  64
  65         uart1: uart@b8002100 {
  66                 status = "okay";
  67
  68                 compatible = "ns16550a";
  69                 reg = <0xb8002100 0x100>;
  70
  71                 clock-frequency = <200000000>;
  72
  73                 interrupt-parent = <&cpuintc>;
  74                 interrupts = <30>;
  75
  76                 reg-io-width = <1>;
  77                 reg-shift = <2>;
  78                 fifo-size = <1>;
  79                 no-loopback-test;
  80         };
  81
  82         gpio0: gpio-controller@b8003500 {
  83                 compatible = "realtek,rtl838x-gpio";
  84                 reg = <0xb8003500 0x20>;
  85                 gpio-controller;
  86                 #gpio-cells = <2>;
  87                 interrupt-parent = <&cpuintc>;
  88                 interrupts = <23>;
  89         };
  90
  91         ethernet0: ethernet@bb00a300 {
  92                 status = "okay";
  93
  94                 compatible = "realtek,rtl838x-eth";
  95                 reg = <0xbb00a300 0x100>;
  96                 interrupt-parent = <&cpuintc>;
  97                 interrupts = <24>;
  98                 #interrupt-cells = <1>;
  99                 phy-mode = "internal";
 100
 101                 fixed-link {
 102                         speed = <1000>;
 103                         full-duplex;
 104                 };
 105         };
 106
 107         switch0: switch@bb000000 {
 108                 status = "okay";
 109
 110                 compatible = "realtek,rtl838x-switch";
 111         };
 112 };