| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | }; |