target/linux/realtek/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 = "mti,cpu-interrupt-controller";
  69         };
  70
  71         intc: rtlintc {
  72                 #address-cells = <0>;
  73                 #interrupt-cells = <1>;
  74                 interrupt-controller;
  75                 compatible = "realtek,rt8380-intc";
  76                 reg = <0xb8003000 0x20>;
  77         };
  78
  79         spi0: spi@b8001200 {
  80                 status = "okay";
  81
  82                 compatible = "realtek,rtl838x-nor";
  83                 reg = <0xb8001200 0x100>;
  84
  85                 #address-cells = <1>;
  86                 #size-cells = <0>;
  87         };
  88
  89         uart0: uart@b8002000 {
  90                 status = "okay";
  91
  92                 compatible = "ns16550a";
  93                 reg = <0xb8002000 0x100>;
  94
  95                 clock-frequency = <200000000>;
  96
  97                 interrupt-parent = <&cpuintc>;
  98                 interrupts = <3>;
  99
 100                 reg-io-width = <1>;
 101                 reg-shift = <2>;
 102                 fifo-size = <1>;
 103                 no-loopback-test;
 104         };
 105
 106         uart1: uart@b8002100 {
 107                 pinctrl-names = "default";
 108                 pinctrl-0 = <&enable_uart1>;
 109
 110                 status = "okay";
 111
 112                 compatible = "ns16550a";
 113                 reg = <0xb8002100 0x100>;
 114
 115                 clock-frequency = <200000000>;
 116
 117                 interrupt-parent = <&intc>;
 118                 interrupts = <30>;
 119
 120                 reg-io-width = <1>;
 121                 reg-shift = <2>;
 122                 fifo-size = <1>;
 123                 no-loopback-test;
 124         };
 125
 126         gpio0: gpio-controller@b8003500 {
 127                 compatible = "realtek,rtl838x-gpio";
 128                 reg = <0xb8003500 0x20>;
 129                 gpio-controller;
 130                 #gpio-cells = <2>;
 131                 interrupt-parent = <&intc>;
 132                 interrupts = <23>;
 133         };
 134
 135         gpio1: rtl8231-gpio {
 136                 status = "disabled";
 137                 compatible = "realtek,rtl8231-gpio";
 138                 #gpio-cells = <2>;
 139                 indirect-access-bus-id = <0>;
 140                 gpio-controller;
 141         };
 142
 143         pinmux: pinmux@bb001000 {
 144                 compatible = "pinctrl-single";
 145                 reg = <0xbb001000 0x4>;
 146
 147                 pinctrl-single,bit-per-mux;
 148                 pinctrl-single,register-width = <32>;
 149                 pinctrl-single,function-mask = <0x1>;
 150                 #pinctrl-cells = <2>;
 151
 152                 enable_uart1: pinmux_enable_uart1 {
 153                         pinctrl-single,bits = <0x0 0x10 0x10>;
 154                 };
 155         };
 156
 157         ethernet0: ethernet@bb00a300 {
 158                 status = "okay";
 159
 160                 compatible = "realtek,rtl838x-eth";
 161                 reg = <0xbb00a300 0x100>;
 162                 interrupt-parent = <&intc>;
 163                 interrupts = <24>;
 164                 #interrupt-cells = <1>;
 165                 phy-mode = "internal";
 166
 167                 fixed-link {
 168                         speed = <1000>;
 169                         full-duplex;
 170                 };
 171         };
 172
 173         switch0: switch@bb000000 {
 174                 status = "okay";
 175
 176                 interrupt-parent = <&cpuintc>;
 177                 interrupts = <4>;
 178
 179
 180                 compatible = "realtek,rtl83xx-switch";
 181         };
 182 };