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};