target/linux/realtek/dts-5.10/rtl931x.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2
   3 #include <dt-bindings/interrupt-controller/mips-gic.h>
   4
   5 / {
   6         #address-cells = <1>;
   7         #size-cells = <1>;
   8
   9         compatible = "realtek,rtl838x-soc";
  10
  11         cpus {
  12                 #address-cells = <1>;
  13                 #size-cells = <0>;
  14                 frequency = <1000000000>;
  15
  16                 cpu@0 {
  17                         compatible = "mti,interaptive";
  18                         reg = <0>;
  19                 };
  20
  21                 cpu@1 {
  22                         compatible = "mti,interaptive";
  23                         reg = <1>;
  24                 };
  25         };
  26
  27         memory@0 {
  28                 device_type = "memory";
  29                 reg = <0x0 0x10000000>;
  30         };
  31
  32         chosen {
  33                 bootargs = "console=ttyS0,115200";
  34         };
  35
  36         lx_clk: lx_clk {
  37                 compatible = "fixed-clock";
  38                 #clock-cells = <0>;
  39                 clock-frequency = <200000000>;
  40         };
  41
  42         cpuclock: cpuclock@0 {
  43                 #clock-cells = <0>;
  44                 compatible = "fixed-clock";
  45
  46                 /* FIXME: there should be way to detect this */
  47                 clock-frequency = <1000000000>;
  48         };
  49
  50         cpuintc: cpuintc {
  51                 compatible = "mti,cpu-interrupt-controller";
  52                 #address-cells = <0>;
  53                 #interrupt-cells = <1>;
  54                 interrupt-controller;
  55         };
  56
  57         gic: interrupt-controller@1ddc0000 {
  58                 compatible = "mti,gic";
  59                 reg = <0x1ddc0000 0x20000>;
  60
  61                 interrupt-controller;
  62                 #interrupt-cells = <3>;
  63
  64                 /*
  65                  * Declare the interrupt-parent even though the mti,gic
  66                  * binding doesn't require it, such that the kernel can
  67                  * figure out that cpu_intc is the root interrupt
  68                  * controller & should be probed first.
  69                  */
  70                 interrupt-parent = <&cpuintc>;
  71
  72                 timer {
  73                         compatible = "mti,gic-timer";
  74                         interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
  75                         clocks = <&cpuclock>;
  76                 };
  77         };
  78
  79         soc: soc {
  80                 compatible = "simple-bus";
  81                 #address-cells = <1>;
  82                 #size-cells = <1>;
  83                 ranges = <0x0 0x18000000 0x10000>;
  84
  85                 spi0: spi@1200 {
  86                         status = "okay";
  87
  88                         compatible = "realtek,rtl8380-spi";
  89                         reg = <0x1200 0x100>;
  90
  91                         #address-cells = <1>;
  92                         #size-cells = <0>;
  93                 };
  94
  95                 watchdog0: watchdog@3260 {
  96                         compatible = "realtek,rtl9310-wdt";
  97                         reg = <0x3260 0xc>;
  98
  99                         realtek,reset-mode = "soc";
 100
 101                         clocks = <&lx_clk>;
 102                         timeout-sec = <30>;
 103
 104                         interrupt-parent = <&gic>;
 105                         interrupt-names = "phase1", "phase2";
 106                         interrupts = <GIC_SHARED 8 IRQ_TYPE_LEVEL_HIGH>, <GIC_SHARED 9 IRQ_TYPE_LEVEL_HIGH>;
 107                 };
 108
 109                 gpio0: gpio-controller@3300 {
 110                         compatible = "realtek,rtl9310-gpio", "realtek,otto-gpio";
 111                         reg = <0x3300 0x1c>;
 112
 113                         gpio-controller;
 114                         #gpio-cells = <2>;
 115                         ngpios = <32>;
 116
 117                         interrupt-controller;
 118                         #interrupt-cells = <3>;
 119                         interrupt-parent = <&gic>;
 120                         interrupts = <GIC_SHARED 20 IRQ_TYPE_LEVEL_HIGH>;
 121                 };
 122
 123                 uart0: uart@2000 {
 124                         compatible = "ns16550a";
 125                         reg = <0x2000 0x100>;
 126
 127                         clock-frequency = <200000000>;
 128
 129                         interrupt-parent = <&gic>;
 130                         #interrupt-cells = <3>;
 131                         interrupts = <GIC_SHARED 22 IRQ_TYPE_LEVEL_HIGH>;
 132
 133                         reg-io-width = <1>;
 134                         reg-shift = <2>;
 135                         fifo-size = <1>;
 136                         no-loopback-test;
 137                 };
 138
 139                 uart1: uart@2100 {
 140                         compatible = "ns16550a";
 141                         reg = <0x2100 0x100>;
 142
 143                         clock-frequency = <200000000>;
 144
 145                         interrupt-parent = <&gic>;
 146                         #interrupt-cells = <3>;
 147                         interrupts = <GIC_SHARED 23 IRQ_TYPE_LEVEL_HIGH>;
 148
 149                         reg-io-width = <1>;
 150                         reg-shift = <2>;
 151                         fifo-size = <1>;
 152                         no-loopback-test;
 153
 154                         status = "disabled";
 155                 };
 156         };
 157
 158         pinmux: pinmux@1b001358 {
 159                 compatible = "pinctrl-single";
 160                 reg = <0x1b001358 0x4>;
 161
 162                 pinctrl-single,bit-per-mux;
 163                 pinctrl-single,register-width = <32>;
 164                 pinctrl-single,function-mask = <0x1>;
 165                 #pinctrl-cells = <2>;
 166
 167                 /* Enable GPIO6 and GPIO7, possibly unknown others */
 168                 pinmux_disable_jtag: disable_jtag {
 169                         pinctrl-single,bits = <0x0 0x0 0x8000>;
 170                 };
 171
 172                 /* Controls GPIO0 */
 173                 pinmux_disable_sys_led: disable_sys_led {
 174                         pinctrl-single,bits = <0x0 0x0 0x100>;
 175                 };
 176         };
 177
 178         ethernet0: ethernet@1b00a300 {
 179                 status = "okay";
 180                 compatible = "realtek,rtl838x-eth";
 181                 reg = <0x1b00a300 0x100>;
 182                 interrupt-parent = <&gic>;
 183                 #interrupt-cells = <3>;
 184                 interrupts = <GIC_SHARED 16 IRQ_TYPE_LEVEL_HIGH>;
 185                 phy-mode = "internal";
 186                 fixed-link {
 187                         speed = <1000>;
 188                         full-duplex;
 189                 };
 190         };
 191
 192         switch0: switch@1b000000 {
 193                 compatible = "realtek,rtl83xx-switch";
 194                 status = "okay";
 195
 196                 interrupt-parent = <&gic>;
 197                 #interrupt-cells = <3>;
 198                 interrupts = <GIC_SHARED 15 IRQ_TYPE_LEVEL_HIGH>;
 199         };
 200 };