target/linux/rtl838x/dts/rtl838x.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2
   3 /dts-v1/;
   4
   5 #define STRINGIZE(s) #s
   6 #define LAN_LABEL(p, s) STRINGIZE(p ## s)
   7 #define SWITCH_PORT_LABEL(n) LAN_LABEL(lan, n)
   8
   9 #define INTERNAL_PHY(n) \
  10         phy##n: ethernet-phy@##n { \
  11                 reg = <##n>; \
  12                 compatible = "ethernet-phy-ieee802.3-c22"; \
  13                 phy-is-integrated; \
  14         };
  15
  16 #define EXTERNAL_PHY(n) \
  17         phy##n: ethernet-phy@##n { \
  18                 reg = <##n>; \
  19                 compatible = "ethernet-phy-ieee802.3-c22"; \
  20         };
  21
  22 #define EXTERNAL_SFP_PHY(n) \
  23         phy##n: ethernet-phy@##n { \
  24                 compatible = "ethernet-phy-ieee802.3-c22"; \
  25                 sfp; \
  26                 media = "fibre"; \
  27                 reg = <##n>; \
  28         };
  29
  30 #define SWITCH_PORT(n, s, m) \
  31         port@##n { \
  32                 reg = <##n>; \
  33                 label = SWITCH_PORT_LABEL(s) ; \
  34                 phy-handle = <&phy##n>; \
  35                 phy-mode = #m ; \
  36         };
  37
  38 / {
  39         #address-cells = <1>;
  40         #size-cells = <1>;
  41
  42         compatible = "realtek,rtl838x-soc";
  43
  44         cpus {
  45                 #address-cells = <1>;
  46                 #size-cells = <0>;
  47                 frequency = <500000000>;
  48
  49                 cpu@0 {
  50                         compatible = "mips,mips4KEc";
  51                         reg = <0>;
  52                 };
  53         };
  54
  55         memory@0 {
  56                 device_type = "memory";
  57                 reg = <0x0 0x8000000>;
  58         };
  59
  60         chosen {
  61                 bootargs = "console=ttyS0,38400";
  62         };
  63
  64         cpuintc: cpuintc {
  65                 #address-cells = <0>;
  66                 #interrupt-cells = <1>;
  67                 interrupt-controller;
  68                 compatible = "rtl838x,icu";
  69                 reg = <0xb8003000 0x20>;
  70         };
  71
  72         spi0: spi@b8001200 {
  73                 status = "okay";
  74
  75                 compatible = "realtek,rtl838x-nor";
  76                 reg = <0xb8001200 0x100>;
  77
  78                 #address-cells = <1>;
  79                 #size-cells = <0>;
  80         };
  81
  82         uart0: uart@b8002000 {
  83                 status = "disabled";
  84
  85                 compatible = "ns16550a";
  86                 reg = <0xb8002000 0x100>;
  87
  88                 clock-frequency = <200000000>;
  89
  90                 interrupt-parent = <&cpuintc>;
  91                 interrupts = <31>;
  92
  93                 reg-io-width = <1>;
  94                 reg-shift = <2>;
  95                 fifo-size = <1>;
  96                 no-loopback-test;
  97         };
  98
  99         uart1: uart@b8002100 {
 100                 status = "okay";
 101
 102                 compatible = "ns16550a";
 103                 reg = <0xb8002100 0x100>;
 104
 105                 clock-frequency = <200000000>;
 106
 107                 interrupt-parent = <&cpuintc>;
 108                 interrupts = <30>;
 109
 110                 reg-io-width = <1>;
 111                 reg-shift = <2>;
 112                 fifo-size = <1>;
 113                 no-loopback-test;
 114         };
 115
 116         gpio0: gpio-controller@b8003500 {
 117                 compatible = "realtek,rtl838x-gpio";
 118                 reg = <0xb8003500 0x20>;
 119                 gpio-controller;
 120                 #gpio-cells = <2>;
 121                 interrupt-parent = <&cpuintc>;
 122                 interrupts = <23>;
 123         };
 124
 125         ethernet0: ethernet@bb00a300 {
 126                 status = "okay";
 127
 128                 compatible = "realtek,rtl838x-eth";
 129                 reg = <0xbb00a300 0x100>;
 130                 interrupt-parent = <&cpuintc>;
 131                 interrupts = <24>;
 132                 #interrupt-cells = <1>;
 133                 phy-mode = "internal";
 134
 135                 fixed-link {
 136                         speed = <1000>;
 137                         full-duplex;
 138                 };
 139         };
 140
 141         switch0: switch@bb000000 {
 142                 status = "okay";
 143
 144                 compatible = "realtek,rtl838x-switch";
 145         };
 146 };