target/linux/realtek/dts-5.10/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 EXTERNAL_SFP_PHY_FULL(n, s) \
  31         phy##n: ethernet-phy@##n { \
  32                 compatible = "ethernet-phy-ieee802.3-c22"; \
  33                 sfp = <&sfp##s>; \
  34                 reg = <##n>; \
  35         };
  36
  37 #define SWITCH_PORT(n, s, m) \
  38         port@##n { \
  39                 reg = <##n>; \
  40                 label = SWITCH_PORT_LABEL(s) ; \
  41                 phy-handle = <&phy##n>; \
  42                 phy-mode = #m ; \
  43         };
  44
  45 #define SWITCH_SFP_PORT(n, s, m) \
  46         port@##n { \
  47                 reg = <##n>; \
  48                 label = SWITCH_PORT_LABEL(s) ; \
  49                 phy-handle = <&phy##n>; \
  50                 phy-mode = #m ; \
  51                 fixed-link { \
  52                         speed = <1000>; \
  53                         full-duplex; \
  54                 }; \
  55         };
  56
  57 / {
  58         #address-cells = <1>;
  59         #size-cells = <1>;
  60
  61         compatible = "realtek,rtl838x-soc";
  62
  63         cpus {
  64                 #address-cells = <1>;
  65                 #size-cells = <0>;
  66                 frequency = <500000000>;
  67
  68                 cpu@0 {
  69                         compatible = "mips,mips4KEc";
  70                         reg = <0>;
  71                 };
  72         };
  73
  74         chosen {
  75                 bootargs = "console=ttyS0,115200";
  76         };
  77
  78         lx_clk: lx_clk {
  79                 compatible = "fixed-clock";
  80                 #clock-cells = <0>;
  81                 clock-frequency = <200000000>;
  82         };
  83
  84         cpuintc: cpuintc {
  85                 compatible = "mti,cpu-interrupt-controller";
  86                 #address-cells = <0>;
  87                 #interrupt-cells = <1>;
  88                 interrupt-controller;
  89         };
  90
  91         soc: soc {
  92                 compatible = "simple-bus";
  93                 #address-cells = <1>;
  94                 #size-cells = <1>;
  95                 ranges = <0x0 0x18000000 0x10000>;
  96
  97                 intc: interrupt-controller@3000 {
  98                         compatible = "realtek,rtl8380-intc", "realtek,rtl-intc";
  99                         reg = <0x3000 0x18>;
 100                         interrupt-controller;
 101                         #interrupt-cells = <2>;
 102
 103                         interrupt-parent = <&cpuintc>;
 104                         interrupts = <2>, <3>, <4>, <5>, <6>;
 105                 };
 106
 107                 spi0: spi@1200 {
 108                         compatible = "realtek,rtl8380-spi";
 109                         reg = <0x1200 0x100>;
 110
 111                         #address-cells = <1>;
 112                         #size-cells = <0>;
 113                 };
 114
 115                 uart0: uart@2000 {
 116                         compatible = "ns16550a";
 117                         reg = <0x2000 0x100>;
 118
 119                         clocks = <&lx_clk>;
 120
 121                         interrupt-parent = <&intc>;
 122                         interrupts = <31 1>;
 123
 124                         reg-io-width = <1>;
 125                         reg-shift = <2>;
 126                         fifo-size = <1>;
 127                         no-loopback-test;
 128                 };
 129
 130                 uart1: uart@2100 {
 131                         pinctrl-names = "default";
 132                         pinctrl-0 = <&enable_uart1>;
 133
 134                         compatible = "ns16550a";
 135                         reg = <0x2100 0x100>;
 136
 137                         clocks = <&lx_clk>;
 138
 139                         interrupt-parent = <&intc>;
 140                         interrupts = <30 0>;
 141
 142                         reg-io-width = <1>;
 143                         reg-shift = <2>;
 144                         fifo-size = <1>;
 145                         no-loopback-test;
 146
 147                         status = "disabled";
 148                 };
 149
 150                 watchdog0: watchdog@3150 {
 151                         compatible = "realtek,rtl8380-wdt";
 152                         reg = <0x3150 0xc>;
 153
 154                         realtek,reset-mode = "soc";
 155
 156                         clocks = <&lx_clk>;
 157                         timeout-sec = <30>;
 158
 159                         interrupt-parent = <&intc>;
 160                         interrupt-names = "phase1", "phase2";
 161                         interrupts = <19 3>, <18 4>;
 162                 };
 163
 164                 gpio0: gpio-controller@3500 {
 165                         compatible = "realtek,rtl8380-gpio", "realtek,otto-gpio";
 166                         reg = <0x3500 0x20>;
 167
 168                         gpio-controller;
 169                         #gpio-cells = <2>;
 170                         ngpios = <24>;
 171
 172                         interrupt-controller;
 173                         #interrupt-cells = <2>;
 174                         interrupt-parent = <&intc>;
 175                         interrupts = <23 3>;
 176                 };
 177         };
 178
 179         pinmux: pinmux@1b001000 {
 180                 compatible = "pinctrl-single";
 181                 reg = <0x1b001000 0x4>;
 182
 183                 pinctrl-single,bit-per-mux;
 184                 pinctrl-single,register-width = <32>;
 185                 pinctrl-single,function-mask = <0x1>;
 186                 #pinctrl-cells = <2>;
 187
 188                 enable_uart1: pinmux_enable_uart1 {
 189                         pinctrl-single,bits = <0x0 0x10 0x10>;
 190                 };
 191         };
 192
 193         /* LED_GLB_CTRL */
 194         pinmux_led: pinmux@1b00a000 {
 195                 compatible = "pinctrl-single";
 196                 reg = <0x1b00a000 0x4>;
 197
 198                 pinctrl-single,bit-per-mux;
 199                 pinctrl-single,register-width = <32>;
 200                 pinctrl-single,function-mask = <0x1>;
 201                 #pinctrl-cells = <2>;
 202
 203                 /* enable GPIO 0 */
 204                 pinmux_disable_sys_led: disable_sys_led {
 205                         pinctrl-single,bits = <0x0 0x0 0x8000>;
 206                 };
 207         };
 208
 209         ethernet0: ethernet@1b00a300 {
 210                 compatible = "realtek,rtl838x-eth";
 211                 reg = <0x1b00a300 0x100>;
 212                 interrupt-parent = <&intc>;
 213                 interrupts = <24 3>;
 214                 #interrupt-cells = <1>;
 215                 phy-mode = "internal";
 216
 217                 fixed-link {
 218                         speed = <1000>;
 219                         full-duplex;
 220                 };
 221         };
 222
 223         switch0: switch@1b000000 {
 224                 compatible = "realtek,rtl83xx-switch";
 225
 226                 interrupt-parent = <&intc>;
 227                 interrupts = <20 2>;
 228         };
 229 };