Open Menu / arch / mips / dts / mscc,servalt.dtsi
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2018 Microsemi Corporation
 */

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "mscc,servalt";

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			compatible = "mips,mips24KEc";
			device_type = "cpu";
			clocks = <&cpu_clk>;
			reg = <0>;
		};
	};

	aliases {
		serial0 = &uart0;
	};

	cpuintc: interrupt-controller@0 {
		#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>;
	};

	sys_clk: sys-clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <250000000>;
	};

	ahb_clk: ahb-clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <250000000>;
	};

	ahb {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0 0x70000000 0x2000000>;

		interrupt-parent = <&intc>;

		cpu_ctrl: syscon@0 {
			compatible = "mscc,servalt-cpu-syscon", "syscon";
			reg = <0x0 0x2c>;
		};

		intc: interrupt-controller@70 {
			compatible = "mscc,servalt-icpu-intr";
			reg = <0x70 0x74>;
			#interrupt-cells = <1>;
			interrupt-controller;
			interrupt-parent = <&cpuintc>;
			interrupts = <2>;
		};

		uart0: serial@100000 {
			pinctrl-0 = <&uart_pins>;
			pinctrl-names = "default";
			compatible = "ns16550a";
			reg = <0x100000 0x20>;
			interrupts = <6>;
			clocks = <&ahb_clk>;
			reg-io-width = <4>;
			reg-shift = <2>;

			status = "disabled";
		};

		uart2: serial@100800 {
			pinctrl-0 = <&uart2_pins>;
			pinctrl-names = "default";
			compatible = "ns16550a";
			reg = <0x100800 0x20>;
			interrupts = <7>;
			clocks = <&ahb_clk>;
			reg-io-width = <4>;
			reg-shift = <2>;

			status = "disabled";
		};

		reset@1010008 {
			compatible = "mscc,servalt-chip-reset";
			reg = <0x1010008 0x4>;
		};

		gpio: pinctrl@1010034 {
			compatible = "mscc,servalt-pinctrl";
			reg = <0x1010034 0x90>;
			gpio-controller;
			#gpio-cells = <2>;
			gpio-ranges = <&gpio 0 0 36>;

			sgpio_pins: sgpio-pins {
				pins = "GPIO_0", "GPIO_1", "GPIO_2", "GPIO_3";
				function = "sio";
			};

			uart_pins: uart-pins {
				pins = "GPIO_6", "GPIO_7";
				function = "uart";
			};

			uart2_pins: uart2-pins {
				pins = "GPIO_20", "GPIO_21";
				function = "uart2";
			};
		};

		spi0: spi-bitbang {
			compatible = "mscc,luton-bb-spi";
			status = "okay";
			reg = <0x50 0x4>;
			num-chipselects = <1>;
			#address-cells = <1>;
			#size-cells = <0>;
		};

		sgpio: gpio@1010120 {
			compatible = "mscc,ocelot-sgpio";
			status = "disabled";
			clocks = <&sys_clk>;
			pinctrl-0 = <&sgpio_pins>;
			pinctrl-names = "default";
			reg = <0x1010120 0x100>;
			gpio-controller;
			#gpio-cells = <2>;
			gpio-ranges = <&sgpio 0 0 128>;
		};

		switch: switch@1010000 {
			compatible = "mscc,vsc7437-switch";
			reg = <0x01030000 0x0100>,   // VTSS_TO_DEV_0
			      <0x01040000 0x0100>,   // VTSS_TO_DEV_1
			      <0x01f00000 0x100000>, // ANA_AC
			      <0x01d00000 0x100000>, // ANA_CL
			      <0x01e00000 0x100000>, // ANA_L2
			      <0x01120000 0x10000>,  // ASM
			      <0x01130000 0x00000>,  // LRN
			      <0x017d0000 0x10000>,  // QFWD
			      <0x01020000 0x20000>,  // QS
			      <0x017e0000 0x10000>,  // QSYS
			      <0x01b00000 0x80000>;  // REW
			reg-names = "port0", "port1",
				    "ana_ac", "ana_cl", "ana_l2", "asm", "lrn",
				    "qfwd", "qs", "qsys", "rew";
			status = "okay";

			ethernet-ports {
				#address-cells = <1>;
				#size-cells = <0>;
			};
		};

		mdio0: mdio@010100c4 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "mscc,jr2-miim";
			reg = <0x010100c4 0x24>;
			status = "disabled";
		};

		mdio1: mdio@010100e8 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "mscc,jr2-miim";
			reg = <0x010100e8 0x24>;
			status = "disabled";
		};
	};
};