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- // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
- /*
- * Copyright (c) 2020 Microsemi Corporation
- */
- / {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "mscc,jr2";
- aliases {
- serial0 = &uart0;
- serial1 = &uart2;
- gpio0 = &gpio;
- };
- cpus {
- #address-cells = <1>;
- #size-cells = <0>;
- cpu@0 {
- compatible = "mips,mips24KEc";
- device_type = "cpu";
- clocks = <&cpu_clk>;
- reg = <0>;
- };
- };
- cpuintc: interrupt-controller {
- #address-cells = <0>;
- #interrupt-cells = <1>;
- interrupt-controller;
- compatible = "mti,cpu-interrupt-controller";
- };
- cpu_clk: cpu-clock {
- compatible = "fixed-clock";
- #clock-cells = <0>;
- clock-frequency = <500000000>;
- };
- ahb_clk: ahb-clk {
- compatible = "fixed-factor-clock";
- #clock-cells = <0>;
- clocks = <&cpu_clk>;
- clock-div = <2>;
- clock-mult = <1>;
- };
- ahb: ahb {
- compatible = "simple-bus";
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
- interrupt-parent = <&intc>;
- cpu_ctrl: syscon@70000000 {
- compatible = "mscc,ocelot-cpu-syscon", "syscon";
- reg = <0x70000000 0x2c>;
- };
- intc: interrupt-controller@70000070 {
- compatible = "mscc,jaguar2-icpu-intr";
- reg = <0x70000070 0x94>;
- #interrupt-cells = <1>;
- interrupt-controller;
- interrupt-parent = <&cpuintc>;
- interrupts = <2>;
- };
- uart0: serial@70100000 {
- pinctrl-0 = <&uart_pins>;
- pinctrl-names = "default";
- compatible = "ns16550a";
- reg = <0x70100000 0x20>;
- interrupts = <6>;
- clocks = <&ahb_clk>;
- reg-io-width = <4>;
- reg-shift = <2>;
- status = "disabled";
- };
- uart2: serial@70100800 {
- pinctrl-0 = <&uart2_pins>;
- pinctrl-names = "default";
- compatible = "ns16550a";
- reg = <0x70100800 0x20>;
- interrupts = <7>;
- clocks = <&ahb_clk>;
- reg-io-width = <4>;
- reg-shift = <2>;
- status = "disabled";
- };
- gpio: pinctrl@71010038 {
- compatible = "mscc,jaguar2-pinctrl";
- reg = <0x71010038 0x90>;
- gpio-controller;
- #gpio-cells = <2>;
- gpio-ranges = <&gpio 0 0 64>;
- uart_pins: uart-pins {
- pins = "GPIO_10", "GPIO_11";
- function = "uart";
- };
- uart2_pins: uart2-pins {
- pins = "GPIO_24", "GPIO_25";
- function = "uart2";
- };
- cs1_pins: cs1-pins {
- pins = "GPIO_16";
- function = "si";
- };
- cs2_pins: cs2-pins {
- pins = "GPIO_17";
- function = "si";
- };
- cs3_pins: cs3-pins {
- pins = "GPIO_18";
- function = "si";
- };
- i2c_pins: i2c-pins {
- pins = "GPIO_14", "GPIO_15";
- function = "twi";
- };
- i2c2_pins: i2c2-pins {
- pins = "GPIO_28", "GPIO_29";
- function = "twi2";
- };
- };
- i2c0: i2c@70100400 {
- compatible = "mscc,ocelot-i2c", "snps,designware-i2c";
- status = "disabled";
- pinctrl-0 = <&i2c_pins>;
- pinctrl-names = "default";
- reg = <0x70100400 0x100>, <0x700001b8 0x8>;
- #address-cells = <1>;
- #size-cells = <0>;
- interrupts = <8>;
- clock-frequency = <100000>;
- clocks = <&ahb_clk>;
- };
- i2c2: i2c@70100c00 {
- compatible = "mscc,ocelot-i2c", "snps,designware-i2c";
- status = "disabled";
- pinctrl-0 = <&i2c2_pins>;
- pinctrl-names = "default";
- reg = <0x70100c00 0x100>;
- #address-cells = <1>;
- #size-cells = <0>;
- interrupts = <8>;
- clock-frequency = <100000>;
- clocks = <&ahb_clk>;
- };
- };
- };
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