linux/linux-5.4.31/arch/powerpc/boot/dts/acadia.dts

/*
 * Device Tree Source for AMCC Acadia (405EZ)
 *
 * Copyright IBM Corp. 2008
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2.  This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 */

/dts-v1/;

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	model = "amcc,acadia";
	compatible = "amcc,acadia";
	dcr-parent = <&{/cpus/cpu@0}>;

	aliases {
		ethernet0 = &EMAC0;
		serial0 = &UART0;
		serial1 = &UART1;
	};

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

		cpu@0 {
			device_type = "cpu";
			model = "PowerPC,405EZ";
			reg = <0x0>;
			clock-frequency = <0>; /* Filled in by wrapper */
			timebase-frequency = <0>; /* Filled in by wrapper */
			i-cache-line-size = <32>;
			d-cache-line-size = <32>;
			i-cache-size = <16384>;
			d-cache-size = <16384>;
			dcr-controller;
			dcr-access-method = "native";
		};
	};

	memory {
		device_type = "memory";
		reg = <0x0 0x0>; /* Filled in by wrapper */
	};

	UIC0: interrupt-controller {
		compatible = "ibm,uic-405ez", "ibm,uic";
		interrupt-controller;
		dcr-reg = <0x0c0 0x009>;
		cell-index = <0>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
	};

	plb {
		compatible = "ibm,plb-405ez", "ibm,plb3";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;
		clock-frequency = <0>; /* Filled in by wrapper */

		MAL0: mcmal {
			compatible = "ibm,mcmal-405ez", "ibm,mcmal";
			dcr-reg = <0x380 0x62>;
			num-tx-chans = <1>;
			num-rx-chans = <1>;
			interrupt-parent = <&UIC0>;
			/* 405EZ has only 3 interrupts to the UIC, as
			 * SERR, TXDE, and RXDE are or'd together into
			 * one UIC bit
			 */
			interrupts = <
				0x13 0x4 /* TXEOB */
				0x15 0x4 /* RXEOB */
				0x12 0x4 /* SERR, TXDE, RXDE */>;
		};

		POB0: opb {
			compatible = "ibm,opb-405ez", "ibm,opb";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges;
			dcr-reg = <0x0a 0x05>;
			clock-frequency = <0>; /* Filled in by wrapper */

			UART0: serial@ef600300 {
				device_type = "serial";
				compatible = "ns16550";
				reg = <0xef600300 0x8>;
				virtual-reg = <0xef600300>;
				clock-frequency = <0>; /* Filled in by wrapper */
				current-speed = <115200>;
				interrupt-parent = <&UIC0>;
				interrupts = <0x5 0x4>;
			};

			UART1: serial@ef600400 {
				device_type = "serial";
				compatible = "ns16550";
				reg = <0xef600400 0x8>;
				clock-frequency = <0>; /* Filled in by wrapper */
				current-speed = <115200>;
				interrupt-parent = <&UIC0>;
				interrupts = <0x6 0x4>;
			};

			IIC: i2c@ef600500 {
				compatible = "ibm,iic-405ez", "ibm,iic";
				reg = <0xef600500 0x11>;
				interrupt-parent = <&UIC0>;
				interrupts = <0xa 0x4>;
			};

			GPIO0: gpio@ef600700 {
				compatible = "ibm,gpio-405ez";
				reg = <0xef600700 0x20>;
			};

			GPIO1: gpio@ef600800 {
				compatible = "ibm,gpio-405ez";
				reg = <0xef600800 0x20>;
			};

			EMAC0: ethernet@ef600900 {
				device_type = "network";
				compatible = "ibm,emac-405ez", "ibm,emac";
				interrupt-parent = <&UIC0>;
				interrupts = <
					0x10 0x4 /* Ethernet */
					0x11 0x4 /* Ethernet Wake up */>;
				local-mac-address = [000000000000]; /* Filled in by wrapper */
				reg = <0xef600900 0x70>;
				mal-device = <&MAL0>;
				mal-tx-channel = <0>;
				mal-rx-channel = <0>;
				cell-index = <0>;
				max-frame-size = <1500>;
				rx-fifo-size = <4096>;
				tx-fifo-size = <2048>;
				phy-mode = "mii";
				phy-map = <0x0>;
			};

			CAN0: can@ef601000 {
				compatible = "amcc,can-405ez";
				reg = <0xef601000 0x620>;
				interrupt-parent = <&UIC0>;
				interrupts = <0x7 0x4>;
			};

			CAN1: can@ef601800 {
				compatible = "amcc,can-405ez";
				reg = <0xef601800 0x620>;
				interrupt-parent = <&UIC0>;
				interrupts = <0x8 0x4>;
			};

			cameleon@ef602000 {
				compatible = "amcc,cameleon-405ez";
				reg = <0xef602000 0x800>;
				interrupt-parent = <&UIC0>;
				interrupts = <0xb 0x4 0xc 0x4>;
			};

			ieee1588@ef602800 {
				compatible = "amcc,ieee1588-405ez";
				reg = <0xef602800 0x60>;
				interrupt-parent = <&UIC0>;
				interrupts = <0x4 0x4>;
				/* This thing is a bit weird.  It has it's own UIC
				 * that it uses to generate snapshot triggers.  We
				 * don't really support this device yet, and it needs
				 * work to figure this out.
				 */
				dcr-reg = <0xe0 0x9>;
			};

			usb@ef603000 {
				compatible = "ohci-be";
				reg = <0xef603000 0x80>;
				interrupt-parent = <&UIC0>;
				interrupts = <0xd 0x4 0xe 0x4>;
			};

			dac@ef603300 {
				compatible = "amcc,dac-405ez";
				reg = <0xef603300 0x40>;
				interrupt-parent = <&UIC0>;
				interrupts = <0x18 0x4>;
			};

			adc@ef603400 {
				compatible = "amcc,adc-405ez";
				reg = <0xef603400 0x40>;
				interrupt-parent = <&UIC0>;
				interrupts = <0x17 0x4>;
			};

			spi@ef603500 {
				compatible = "amcc,spi-405ez";
				reg = <0xef603500 0x100>;
				interrupt-parent = <&UIC0>;
				interrupts = <0x9 0x4>;
			};
		};

		EBC0: ebc {
			compatible = "ibm,ebc-405ez", "ibm,ebc";
			dcr-reg = <0x12 0x2>;
			#address-cells = <2>;
			#size-cells = <1>;
			clock-frequency = <0>; /* Filled in by wrapper */
		};
	};

	chosen {
		stdout-path = "/plb/opb/serial@ef600300";
	};
};