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,mip
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-interrup
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-clo
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 0x20000
51
52 interrupt-parent = <&intc>;
53
54 cpu_ctrl: syscon@10000000 {
55 compatible = "mscc,oce
56 reg = <0x10000000 0x2c
57 };
58
59 intc: interrupt-controller@100
60 compatible = "mscc,lut
61 reg = <0x10000084 0x70
62 #interrupt-cells = <1>
63 interrupt-controller;
64 interrupt-parent = <&c
65 interrupts = <2>;
66 };
67
68 uart0: serial@10100000 {
69 pinctrl-0 = <&uart_pin
70 pinctrl-names = "defau
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,oce
83 pinctrl-0 = <&i2c_pins
84 pinctrl-names = "defau
85 reg = <0x10100400 0x10
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,lut
96 reg = <0x70068 0x28>;
97 gpio-controller;
98 #gpio-cells = <2>;
99 gpio-ranges = <&gpio 0
100 interrupt-controller;
101 interrupts = <13>;
102 #interrupt-cells = <2>
103
104 i2c_pins: i2c-pins {
105 pins = "GPIO_5
106 function = "tw
107 };
108
109 uart_pins: uart-pins {
110 pins = "GPIO_3
111 function = "ua
112 };
113
114 };
115 };
116 };
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