src/mips/mscc/luton.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
   2 /* Copyright (c) 2020 Microsemi Corporation */
   3
   4 / {
   5         #address-cells = <1>;
   6         #size-cells = <1>;
   7         compatible = "mscc,luton";
   8
   9         cpus {
  10                 #address-cells = <1>;
  11                 #size-cells = <0>;
  12
  13                 cpu@0 {
  14                         compatible = "mips,mips24KEc";
  15                         device_type = "cpu";
  16                         clocks = <&cpu_clk>;
  17                         reg = <0>;
  18                 };
  19         };
  20
  21         aliases {
  22                 serial0 = &uart0;
  23         };
  24
  25         cpuintc: interrupt-controller {
  26                 #address-cells = <0>;
  27                 #interrupt-cells = <1>;
  28                 interrupt-controller;
  29                 compatible = "mti,cpu-interrupt-controller";
  30         };
  31
  32         cpu_clk: cpu-clock {
  33                 compatible = "fixed-clock";
  34                 #clock-cells = <0>;
  35                 clock-frequency = <416666666>;
  36         };
  37
  38         ahb_clk: ahb-clk {
  39                 compatible = "fixed-factor-clock";
  40                 #clock-cells = <0>;
  41                 clocks = <&cpu_clk>;
  42                 clock-div = <2>;
  43                 clock-mult = <1>;
  44         };
  45
  46         ahb@60000000 {
  47                 compatible = "simple-bus";
  48                 #address-cells = <1>;
  49                 #size-cells = <1>;
  50                 ranges = <0 0x60000000 0x20000000>;
  51
  52                 interrupt-parent = <&intc>;
  53
  54                 cpu_ctrl: syscon@10000000 {
  55                         compatible = "mscc,ocelot-cpu-syscon", "syscon";
  56                         reg = <0x10000000 0x2c>;
  57                 };
  58
  59                 intc: interrupt-controller@10000084 {
  60                         compatible = "mscc,luton-icpu-intr";
  61                         reg = <0x10000084 0x70>;
  62                         #interrupt-cells = <1>;
  63                         interrupt-controller;
  64                         interrupt-parent = <&cpuintc>;
  65                         interrupts = <2>;
  66                 };
  67
  68                 uart0: serial@10100000 {
  69                         pinctrl-0 = <&uart_pins>;
  70                         pinctrl-names = "default";
  71                         compatible = "ns16550a";
  72                         reg = <0x10100000 0x20>;
  73                         interrupts = <6>;
  74                         clocks = <&ahb_clk>;
  75                         reg-io-width = <4>;
  76                         reg-shift = <2>;
  77
  78                         status = "disabled";
  79                 };
  80
  81                 i2c0: i2c@10100400 {
  82                         compatible = "mscc,ocelot-i2c", "snps,designware-i2c";
  83                         pinctrl-0 = <&i2c_pins>;
  84                         pinctrl-names = "default";
  85                         reg = <0x10100400 0x100>, <0x100002a4 0x8>;
  86                         #address-cells = <1>;
  87                         #size-cells = <0>;
  88                         interrupts = <11>;
  89                         clocks = <&ahb_clk>;
  90
  91                         status = "disabled";
  92                 };
  93
  94                 gpio: pinctrl@70068 {
  95                         compatible = "mscc,luton-pinctrl";
  96                         reg = <0x70068 0x28>;
  97                         gpio-controller;
  98                         #gpio-cells = <2>;
  99                         gpio-ranges = <&gpio 0 0 32>;
 100                         interrupt-controller;
 101                         interrupts = <13>;
 102                         #interrupt-cells = <2>;
 103
 104                         i2c_pins: i2c-pins {
 105                                 pins = "GPIO_5", "GPIO_6";
 106                                 function = "twi";
 107                         };
 108
 109                         uart_pins: uart-pins {
 110                                 pins = "GPIO_30", "GPIO_31";
 111                                 function = "uart";
 112                         };
 113
 114                 };
 115         };
 116 };