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

#include <dt-bindings/gpio/gpio.h>

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

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

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

	aliases {
		serial0 = &uart0;
	};

	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 = <208333333>;
	};

	ahb {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0 0x60000000 0x10200000>;

		uart0: serial@10100000 {
			pinctrl-0 = <&uart_pins>;
			pinctrl-names = "default";

			compatible = "ns16550a";
			reg = <0x10100000 0x20>;
			clocks = <&ahb_clk>;
			reg-io-width = <4>;
			reg-shift = <2>;

			status = "disabled";
		};

		gpio: pinctrl@70068 {
			compatible = "mscc,luton-pinctrl";
			reg = <0x70068 0x68>;
			gpio-controller;
			#gpio-cells = <2>;
			gpio-ranges = <&gpio 0 0 32>;

			sgpio_pins: sgpio-pins {
				pins = "GPIO_0", "GPIO_1", "GPIO_2", "GPIO_3";
				function = "sio";
			};
			uart_pins: uart-pins {
				pins = "GPIO_30", "GPIO_31";
				function = "uart";
			};
		};

		sgpio: gpio@70130 {
			compatible = "mscc,luton-sgpio";
			status = "disabled";
			clocks = <&sys_clk>;
			pinctrl-0 = <&sgpio_pins>;
			pinctrl-names = "default";
			reg = <0x0070130 0x100>;
			gpio-controller;
			#gpio-cells = <2>;
			gpio-ranges = <&sgpio 0 0 64>;
		};

		spi0: spi-bitbang {
			compatible = "mscc,luton-bb-spi";
			status = "okay";
			reg = <0x10000064 0x4>;
			num-chipselects = <1>;
			#address-cells = <1>;
			#size-cells = <0>;
		};

		switch: switch@1010000 {
			compatible = "mscc,vsc7527-switch";
			reg = <0x1e0000 0x0100>, // VTSS_TO_DEV_0
			      <0x1f0000 0x0100>, // VTSS_TO_DEV_1
			      <0x200000 0x0100>, // VTSS_TO_DEV_2
			      <0x210000 0x0100>, // VTSS_TO_DEV_3
			      <0x220000 0x0100>, // VTSS_TO_DEV_4
			      <0x230000 0x0100>, // VTSS_TO_DEV_5
			      <0x240000 0x0100>, // VTSS_TO_DEV_6
			      <0x250000 0x0100>, // VTSS_TO_DEV_7
			      <0x260000 0x0100>, // VTSS_TO_DEV_8
			      <0x270000 0x0100>, // VTSS_TO_DEV_9
			      <0x280000 0x0100>, // VTSS_TO_DEV_10
			      <0x290000 0x0100>, // VTSS_TO_DEV_11
			      <0x2a0000 0x0100>, // VTSS_TO_DEV_12
			      <0x2b0000 0x0100>, // VTSS_TO_DEV_13
			      <0x2c0000 0x0100>, // VTSS_TO_DEV_14
			      <0x2d0000 0x0100>, // VTSS_TO_DEV_15
			      <0x2e0000 0x0100>, // VTSS_TO_DEV_16
			      <0x2f0000 0x0100>, // VTSS_TO_DEV_17
			      <0x300000 0x0100>, // VTSS_TO_DEV_18
			      <0x310000 0x0100>, // VTSS_TO_DEV_19
			      <0x320000 0x0100>, // VTSS_TO_DEV_20
			      <0x330000 0x0100>, // VTSS_TO_DEV_21
			      <0x340000 0x0100>, // VTSS_TO_DEV_22
			      <0x350000 0x0100>, // VTSS_TO_DEV_23
			      <0x010000 0x1000>, // VTSS_TO_SYS
			      <0x020000 0x1000>, // VTSS_TO_ANA
			      <0x030000 0x1000>, // VTSS_TO_REW
			      <0x070000 0x1000>, // VTSS_TO_DEVCPU_GCB
			      <0x080000 0x0100>, // VTSS_TO_DEVCPU_QS
			      <0x0a0000 0x10000>; // VTSS_TO_HSIO
			reg-names = "port0", "port1", "port2", "port3",
				    "port4", "port5", "port6", "port7",
				    "port8", "port9", "port10", "port11",
				    "port12", "port13", "port14", "port15",
				    "port16", "port17", "port18", "port19",
				    "port20", "port21", "port22", "port23",
				    "sys", "ana", "rew", "gcb", "qs", "hsio";
			status = "okay";

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

		mdio0: mdio@700a0 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "mscc,luton-miim";
			reg = <0x700a0 0x24>;
			status = "disabled";
		};

		mdio1: mdio@700c4 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "mscc,luton-miim";
			reg = <0x700c4 0x24>;
			status = "disabled";
		};

		hsio: syscon@10d0000 {
			compatible = "mscc,luton-hsio", "syscon", "simple-mfd";
			reg = <0xa0000 0x10000>;

			serdes_hsio: serdes_hsio {
				compatible = "mscc,vsc7527-serdes";
				#phy-cells = <3>;
			};
		};
	};
};