linux_kernel/arch/arm/boot/dts/armada-385-db-ap.dts

/*
 * Device Tree file for Marvell Armada 385 Access Point Development board
 * (DB-88F6820-AP)
 *
 *  Copyright (C) 2014 Marvell
 *
 * Nadav Haklai <nadavh@marvell.com>
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) 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.
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

/dts-v1/;
#include "armada-385.dtsi"

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

/ {
	model = "Marvell Armada 385 Access Point Development Board";
	compatible = "marvell,a385-db-ap", "marvell,armada385", "marvell,armada380";

	chosen {
		stdout-path = "serial1:115200n8";
	};

	memory {
		device_type = "memory";
		reg = <0x00000000 0x80000000>; /* 2GB */
	};

	soc {
		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
			  MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
			  MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
			  MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;

		internal-regs {
			i2c0: i2c@11000 {
				pinctrl-names = "default";
				pinctrl-0 = <&i2c0_pins>;
				status = "okay";

				/*
				 * This bus is wired to two EEPROM
				 * sockets, one of which holding the
				 * board ID used by the	bootloader.
				 * Erasing this EEPROM's content will
				 * brick the board.
				 * Use this bus with caution.
				 */
			};

			mdio@72004 {
				pinctrl-names = "default";
				pinctrl-0 = <&mdio_pins>;

				phy0: ethernet-phy@1 {
					reg = <1>;
				};

				phy1: ethernet-phy@4 {
					reg = <4>;
				};

				phy2: ethernet-phy@6 {
					reg = <6>;
				};
			};

			/* UART0 is exposed through the JP8 connector */
			uart0: serial@12000 {
				pinctrl-names = "default";
				pinctrl-0 = <&uart0_pins>;
				status = "okay";
			};

			/*
			 * UART1 is exposed through a FTDI chip
			 * wired to the mini-USB connector
			 */
			uart1: serial@12100 {
				pinctrl-names = "default";
				pinctrl-0 = <&uart1_pins>;
				status = "okay";
			};

			pinctrl@18000 {
				xhci0_vbus_pins: xhci0-vbus-pins {
					marvell,pins = "mpp44";
					marvell,function = "gpio";
				};
			};

			/* CON3 */
			ethernet@30000 {
				status = "okay";
				phy = <&phy2>;
				phy-mode = "sgmii";
				buffer-manager = <&bm>;
				bm,pool-long = <1>;
				bm,pool-short = <3>;
			};

			/* CON2 */
			ethernet@34000 {
				status = "okay";
				phy = <&phy1>;
				phy-mode = "sgmii";
				buffer-manager = <&bm>;
				bm,pool-long = <2>;
				bm,pool-short = <3>;
			};

			usb@58000 {
				status = "okay";
			};

			/* CON4 */
			ethernet@70000 {
				pinctrl-names = "default";

				/*
				 * The Reference Clock 0 is used to
				 * provide a clock to the PHY
				 */
				pinctrl-0 = <&ge0_rgmii_pins>, <&ref_clk0_pins>;
				status = "okay";
				phy = <&phy0>;
				phy-mode = "rgmii-id";
				buffer-manager = <&bm>;
				bm,pool-long = <0>;
				bm,pool-short = <3>;
			};

			bm@c8000 {
				status = "okay";
			};

			nfc: flash@d0000 {
				status = "okay";
				num-cs = <1>;
				nand-ecc-strength = <4>;
				nand-ecc-step-size = <512>;
				marvell,nand-keep-config;
				marvell,nand-enable-arbiter;
				nand-on-flash-bbt;

				partitions {
					compatible = "fixed-partitions";
					#address-cells = <1>;
					#size-cells = <1>;

					partition@0 {
						label = "U-Boot";
						reg = <0x00000000 0x00800000>;
						read-only;
					};

					partition@800000 {
						label = "uImage";
						reg = <0x00800000 0x00400000>;
						read-only;
					};

					partition@c00000 {
						label = "Root";
						reg = <0x00c00000 0x3f400000>;
					};
				};
			};

			usb3@f0000 {
				status = "okay";
				usb-phy = <&usb3_phy>;
			};
		};

		bm-bppi {
			status = "okay";
		};

		pcie {
			status = "okay";

			/*
			 * The three PCIe units are accessible through
			 * standard mini-PCIe slots on the board.
			 */
			pcie@1,0 {
				/* Port 0, Lane 0 */
				status = "okay";
			};

			pcie@2,0 {
				/* Port 1, Lane 0 */
				status = "okay";
			};

			pcie@3,0 {
				/* Port 2, Lane 0 */
				status = "okay";
			};
		};
	};

	usb3_phy: usb3_phy {
		compatible = "usb-nop-xceiv";
		vcc-supply = <&reg_xhci0_vbus>;
		#phy-cells = <0>;
	};

	reg_xhci0_vbus: xhci0-vbus {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&xhci0_vbus_pins>;
		regulator-name = "xhci0-vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		enable-active-high;
		gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
	};
};

&spi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi1_pins>;
	status = "okay";

	spi-flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "st,m25p128", "jedec,spi-nor";
		reg = <0>; /* Chip select 0 */
		spi-max-frequency = <54000000>;
	};
};