luton.dtsi

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    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 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/mips/mscc/luton.dtsi

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sys/contrib/device-tree/src/mips/mscc/luton.dtsi