1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2020 Microsemi Corporation
4 */
5
6/ {
7	#address-cells = <1>;
8	#size-cells = <1>;
9	compatible = "mscc,jr2";
10
11	aliases {
12		serial0 = &uart0;
13		serial1 = &uart2;
14		gpio0 = &gpio;
15	};
16
17	cpus {
18		#address-cells = <1>;
19		#size-cells = <0>;
20
21		cpu@0 {
22			compatible = "mips,mips24KEc";
23			device_type = "cpu";
24			clocks = <&cpu_clk>;
25			reg = <0>;
26		};
27	};
28
29	cpuintc: interrupt-controller {
30		#address-cells = <0>;
31		#interrupt-cells = <1>;
32		interrupt-controller;
33		compatible = "mti,cpu-interrupt-controller";
34	};
35
36	cpu_clk: cpu-clock {
37		compatible = "fixed-clock";
38		#clock-cells = <0>;
39		clock-frequency = <500000000>;
40	};
41
42	ahb_clk: ahb-clk {
43		compatible = "fixed-factor-clock";
44		#clock-cells = <0>;
45		clocks = <&cpu_clk>;
46		clock-div = <2>;
47		clock-mult = <1>;
48	};
49
50	ahb: ahb {
51		compatible = "simple-bus";
52		#address-cells = <1>;
53		#size-cells = <1>;
54		ranges;
55
56		interrupt-parent = <&intc>;
57
58		cpu_ctrl: syscon@70000000 {
59			compatible = "mscc,ocelot-cpu-syscon", "syscon";
60			reg = <0x70000000 0x2c>;
61		};
62
63		intc: interrupt-controller@70000070 {
64			compatible = "mscc,jaguar2-icpu-intr";
65			reg = <0x70000070 0x94>;
66			#interrupt-cells = <1>;
67			interrupt-controller;
68			interrupt-parent = <&cpuintc>;
69			interrupts = <2>;
70		};
71
72		uart0: serial@70100000 {
73			pinctrl-0 = <&uart_pins>;
74			pinctrl-names = "default";
75			compatible = "ns16550a";
76			reg = <0x70100000 0x20>;
77			interrupts = <6>;
78			clocks = <&ahb_clk>;
79			reg-io-width = <4>;
80			reg-shift = <2>;
81
82			status = "disabled";
83		};
84
85		uart2: serial@70100800 {
86			pinctrl-0 = <&uart2_pins>;
87			pinctrl-names = "default";
88			compatible = "ns16550a";
89			reg = <0x70100800 0x20>;
90			interrupts = <7>;
91			clocks = <&ahb_clk>;
92			reg-io-width = <4>;
93			reg-shift = <2>;
94
95			status = "disabled";
96		};
97
98		gpio: pinctrl@71010038 {
99			compatible = "mscc,jaguar2-pinctrl";
100			reg = <0x71010038 0x90>;
101			gpio-controller;
102			#gpio-cells = <2>;
103			gpio-ranges = <&gpio 0 0 64>;
104
105			uart_pins: uart-pins {
106				pins = "GPIO_10", "GPIO_11";
107				function = "uart";
108			};
109
110			uart2_pins: uart2-pins {
111				pins = "GPIO_24", "GPIO_25";
112				function = "uart2";
113			};
114
115			cs1_pins: cs1-pins {
116				pins = "GPIO_16";
117				function = "si";
118			};
119
120			cs2_pins: cs2-pins {
121				pins = "GPIO_17";
122				function = "si";
123			};
124
125			cs3_pins: cs3-pins {
126				pins = "GPIO_18";
127				function = "si";
128			};
129
130			i2c_pins: i2c-pins {
131				pins = "GPIO_14", "GPIO_15";
132				function = "twi";
133			};
134
135			i2c2_pins: i2c2-pins {
136				pins = "GPIO_28", "GPIO_29";
137				function = "twi2";
138			};
139		};
140
141		i2c0: i2c@70100400 {
142			compatible = "mscc,ocelot-i2c", "snps,designware-i2c";
143			status = "disabled";
144			pinctrl-0 = <&i2c_pins>;
145			pinctrl-names = "default";
146			reg = <0x70100400 0x100>, <0x700001b8 0x8>;
147			#address-cells = <1>;
148			#size-cells = <0>;
149			interrupts = <8>;
150			clock-frequency = <100000>;
151			clocks = <&ahb_clk>;
152		};
153
154		i2c2: i2c@70100c00 {
155			compatible = "mscc,ocelot-i2c", "snps,designware-i2c";
156			status = "disabled";
157			pinctrl-0 = <&i2c2_pins>;
158			pinctrl-names = "default";
159			reg = <0x70100c00 0x100>;
160			#address-cells = <1>;
161			#size-cells = <0>;
162			interrupts = <8>;
163			clock-frequency = <100000>;
164			clocks = <&ahb_clk>;
165		};
166	};
167};
168