target/linux/rtl838x/dts/rtl838x.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2
   3 / {
   4         #address-cells = <1>;
   5         #size-cells = <1>;
   6
   7         compatible = "realtek,rtl838x-soc";
   8         reg = <0xbb000000 0xa000>;
   9
  10         cpus {
  11                 #address-cells = <1>;
  12                 #size-cells = <0>;
  13                 frequency = <500000000>;
  14
  15                 cpu@0 {
  16                         compatible = "mips,mips4KEc";
  17                         reg = <0>;
  18                 };
  19         };
  20
  21         memory@0 {
  22                 device_type = "memory";
  23                 reg = <0x0 0x8000000>;
  24         };
  25
  26         chosen {
  27                 bootargs = "console=ttyS0,38400";
  28         };
  29
  30         cpuintc: cpuintc {
  31                 #address-cells = <0>;
  32                 #interrupt-cells = <1>;
  33                 interrupt-controller;
  34                 compatible = "rtl838x,icu";
  35                 reg = <0xb8003000 0x20>;
  36         };
  37
  38         spi0: spi@b8001200 {
  39                 status = "okay";
  40
  41                 compatible = "realtek,rtl838x-nor";
  42                 reg = <0xb8001200 0x100>;
  43
  44                 #address-cells = <1>;
  45                 #size-cells = <0>;
  46         };
  47
  48         uart0: uart@b8002000 {
  49                 status = "disabled";
  50
  51                 compatible = "ns16550a";
  52                 reg = <0xb8002000 0x100>;
  53
  54                 clock-frequency = <200000000>;
  55                 interrupts = <31>;
  56
  57                 reg-io-width = <1>;
  58                 reg-shift = <2>;
  59                 fifo-size = <1>;
  60                 no-loopback-test;
  61         };
  62
  63         uart1: uart@b8002100 {
  64                 status = "okay";
  65
  66                 compatible = "ns16550a";
  67                 reg = <0xb8002100 0x100>;
  68
  69                 clock-frequency = <200000000>;
  70
  71                 interrupt-parent = <&cpuintc>;
  72                 interrupts = <30>;
  73
  74                 reg-io-width = <1>;
  75                 reg-shift = <2>;
  76                 fifo-size = <1>;
  77                 no-loopback-test;
  78         };
  79
  80         gpio0: gpio-controller@b8003500 {
  81                 compatible = "realtek,rtl838x-gpio";
  82                 reg = <0xb8003500 0x20>;
  83                 gpio-controller;
  84                 #gpio-cells = <2>;
  85                 interrupt-parent = <&cpuintc>;
  86                 interrupts = <23>;
  87         };
  88
  89         ethernet0: ethernet@bb00a300 {
  90                 status = "okay";
  91
  92                 compatible = "realtek,rtl838x-eth";
  93                 reg = <0xbb00a300 0x100>;
  94                 interrupt-parent = <&cpuintc>;
  95                 interrupts = <24>;
  96                 #interrupt-cells = <1>;
  97                 phy-mode = "internal";
  98
  99                 fixed-link {
 100                         speed = <1000>;
 101                         full-duplex;
 102                 };
 103         };
 104
 105         switch0: switch@bb000000 {
 106                 status = "okay";
 107
 108                 compatible = "realtek,rtl838x-switch";
 109         };
 110 };