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