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 #define SWITCH_SFP_PORT(n, s, m) \
  39         port@##n { \
  40                 reg = <##n>; \
  41                 label = SWITCH_PORT_LABEL(s) ; \
  42                 phy-handle = <&phy##n>; \
  43                 phy-mode = #m ; \
  44                 fixed-link { \
  45                         speed = <1000>; \
  46                         full-duplex; \
  47                 }; \
  48         };
  49
  50 / {
  51         #address-cells = <1>;
  52         #size-cells = <1>;
  53
  54         compatible = "realtek,rtl838x-soc";
  55
  56         cpus {
  57                 #address-cells = <1>;
  58                 #size-cells = <0>;
  59                 frequency = <500000000>;
  60
  61                 cpu@0 {
  62                         compatible = "mips,mips4KEc";
  63                         reg = <0>;
  64                 };
  65         };
  66
  67         chosen {
  68                 bootargs = "console=ttyS0,38400";
  69         };
  70
  71         cpuintc: cpuintc {
  72                 #address-cells = <0>;
  73                 #interrupt-cells = <1>;
  74                 interrupt-controller;
  75                 compatible = "mti,cpu-interrupt-controller";
  76         };
  77
  78         intc: rtlintc {
  79                 #address-cells = <0>;
  80                 #interrupt-cells = <1>;
  81                 interrupt-controller;
  82                 compatible = "realtek,rt8380-intc";
  83                 reg = <0xb8003000 0x20>;
  84         };
  85
  86         spi0: spi@b8001200 {
  87                 status = "okay";
  88
  89                 compatible = "realtek,rtl838x-nor";
  90                 reg = <0xb8001200 0x100>;
  91
  92                 #address-cells = <1>;
  93                 #size-cells = <0>;
  94         };
  95
  96         uart0: uart@b8002000 {
  97                 status = "okay";
  98
  99                 compatible = "ns16550a";
 100                 reg = <0xb8002000 0x100>;
 101
 102                 clock-frequency = <200000000>;
 103
 104                 interrupt-parent = <&intc>;
 105                 interrupts = <31>;
 106
 107                 reg-io-width = <1>;
 108                 reg-shift = <2>;
 109                 fifo-size = <1>;
 110                 no-loopback-test;
 111         };
 112
 113         uart1: uart@b8002100 {
 114                 pinctrl-names = "default";
 115                 pinctrl-0 = <&enable_uart1>;
 116
 117                 status = "okay";
 118
 119                 compatible = "ns16550a";
 120                 reg = <0xb8002100 0x100>;
 121
 122                 clock-frequency = <200000000>;
 123
 124                 interrupt-parent = <&intc>;
 125                 interrupts = <30>;
 126
 127                 reg-io-width = <1>;
 128                 reg-shift = <2>;
 129                 fifo-size = <1>;
 130                 no-loopback-test;
 131         };
 132
 133         gpio0: gpio-controller@b8003500 {
 134                 compatible = "realtek,rtl838x-gpio";
 135                 reg = <0xb8003500 0x20>;
 136                 gpio-controller;
 137                 #gpio-cells = <2>;
 138                 interrupt-parent = <&intc>;
 139                 interrupts = <23>;
 140         };
 141
 142         gpio1: rtl8231-gpio {
 143                 status = "disabled";
 144                 compatible = "realtek,rtl8231-gpio";
 145                 #gpio-cells = <2>;
 146                 indirect-access-bus-id = <0>;
 147                 gpio-controller;
 148         };
 149
 150         pinmux: pinmux@bb001000 {
 151                 compatible = "pinctrl-single";
 152                 reg = <0xbb001000 0x4>;
 153
 154                 pinctrl-single,bit-per-mux;
 155                 pinctrl-single,register-width = <32>;
 156                 pinctrl-single,function-mask = <0x1>;
 157                 #pinctrl-cells = <2>;
 158
 159                 enable_uart1: pinmux_enable_uart1 {
 160                         pinctrl-single,bits = <0x0 0x10 0x10>;
 161                 };
 162         };
 163
 164         ethernet0: ethernet@bb00a300 {
 165                 status = "okay";
 166
 167                 compatible = "realtek,rtl838x-eth";
 168                 reg = <0xbb00a300 0x100>;
 169                 interrupt-parent = <&intc>;
 170                 interrupts = <24>;
 171                 #interrupt-cells = <1>;
 172                 phy-mode = "internal";
 173
 174                 fixed-link {
 175                         speed = <1000>;
 176                         full-duplex;
 177                 };
 178         };
 179
 180         switch0: switch@bb000000 {
 181                 status = "okay";
 182
 183                 interrupt-parent = <&intc>;
 184                 interrupts = <20>;
 185
 186                 compatible = "realtek,rtl83xx-switch";
 187         };
 188 };