openwrt/target/linux/mvebu/files/arch/arm/boot/dts/armada-xp-mamba.dts

/*
 * Device Tree file for the Linksys WRT1900AC (Mamba).
 *
 * Note: this board is shipped with a new generation boot loader that
 * remaps internal registers at 0xf1000000. Therefore, if earlyprintk
 * is used, the CONFIG_DEBUG_MVEBU_UART_ALTERNATE option should be
 * used.
 *
 * Copyright (C) 2013 Marvell
 *
 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
 *
 * 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/;
#include "armada-xp-mv78230.dtsi"

/ {
	model = "Linksys WRT1900AC (Mamba)";
	compatible = "linksys,mamba", "marvell,armadaxp-mv78230", "marvell,armadaxp", "marvell,armada-370-xp";

	chosen {
		bootargs = "console=ttyS0,115200 earlyprintk";
	};

	memory {
		device_type = "memory";
		reg = <0x00000000 0x00000000 0x00000000 0x10000000>; /* 256MB */
	};

	soc {
		ranges = <MBUS_ID(0xf0, 0x01) 0 0 0xf1000000 0x100000
			  MBUS_ID(0x01, 0x1d) 0 0 0xfff00000 0x100000>;

		pcie-controller {
			status = "okay";

			/* Etron EJ168 USB 3.0 controller */
			pcie@1,0 {
				/* Port 0, Lane 0 */
				status = "okay";
			};

			/* First mini-PCIe port */
			pcie@2,0 {
				/* Port 0, Lane 1 */
				status = "okay";
			};

			/* Second mini-PCIe port */
			pcie@3,0 {
				/* Port 0, Lane 3 */
				status = "okay";
			};
		};

		internal-regs {
			pinctrl {
				pinctrl-0 = <&pmx_phy_int>;
				pinctrl-names = "default";

				pmx_ge0: pmx-ge0 {
					marvell,pins = "mpp0", "mpp1", "mpp2", "mpp3",
						       "mpp4", "mpp5", "mpp6", "mpp7",
						       "mpp8", "mpp9", "mpp10", "mpp11";
					marvell,function = "ge0";
				};

				pmx_ge1: pmx-ge1 {
					marvell,pins = "mpp12", "mpp13", "mpp14", "mpp15",
						       "mpp16", "mpp17", "mpp18", "mpp19",
						       "mpp20", "mpp21", "mpp22", "mpp23";
					marvell,function = "ge1";
				};

				pmx_keys: pmx-keys {
					marvell,pins = "mpp33";
					marvell,function = "gpio";
				};

				pmx_spi: pmx-spi {
					marvell,pins = "mpp36", "mpp37", "mpp38", "mpp39";
					marvell,function = "spi";
				};

				pmx_phy_int: pmx-phy-int {
					marvell,pins = "mpp32";
					marvell,function = "gpio";
				};
			};

			serial@12000 {
				clock-frequency = <250000000>;
				status = "okay";
			};

			serial@12100 {
				clock-frequency = <250000000>;
				status = "okay";
			};

			sata@a0000 {
				nr-ports = <1>;
				status = "okay";
			};

			mdio {
				disabled;
			};

			ethernet@70000 {
				pinctrl-0 = <&pmx_ge0>;
				pinctrl-names = "default";
				status = "okay";
				phy-mode = "rgmii-id";
				fixed-link {
					speed = <1000>;
					full-duplex;
				};
			};

			ethernet@74000 {
				pinctrl-0 = <&pmx_ge1>;
				pinctrl-names = "default";
				status = "okay";
				phy-mode = "rgmii-id";
				fixed-link {
					speed = <1000>;
					full-duplex;
				};
			};

			/* USB part of the eSATA/USB 2.0 port */
			usb@50000 {
				status = "okay";
			};

			i2c@11000 {
				status = "okay";
				clock-frequency = <100000>;

				tlc59116@68 {
					#gpio-cells = <2>;
					compatible = "gpio,tlc59116";
					reg = <0x68>;
					gpio-controller;
				};
			};

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


				partition@0 {
					label = "u-boot";
					reg = <0x0000000 0x100000>;  /* 1MB */
					read-only;
				};

				partition@100000 {
					label = "u_env"; //u-boot-env?
					reg = <0x100000 0x40000>;    /* 256KB */
					read-only;
				};

				partition@140000 {
					label = "s_env";
					reg = <0x140000 0x40000>;    /* 256KB */
					read-only;
				};

				partition@900000 {
					label = "devinfo";
					reg = <0x900000 0x100000>;    /* 1MB */
				};

				partition@a00000 {
					label = "kernel";
					reg = <0xa00000 0x2800000>;    /* 40MB */
				};

				partition@d00000 {
					label = "rootfs";
					reg = <0xd00000 0x2500000>;    /* 37MB */
				};

				partition@3200000 {
					label = "alt_kernel";
					reg = <0x3200000 0x2800000>;    /* 40MB */
				};

				partition@3500000 {
					label = "alt_rootfs";
					reg = <0x3500000 0x2500000>;    /* 37MB */
				};

				/* Last MB is for the BBT, i.e. not writable */
				partition@5a00000 {
					label = "syscfg";
					reg = <0x5a00000 0x2600000>;    /* ?MB */
				};
			};

			spi0: spi@10600 {
				status = "okay";
				pinctrl-0 = <&pmx_spi>;
				pinctrl-names = "default";

				spi-flash@0 {
					#address-cells = <1>;
					#size-cells = <1>;
					compatible = "mr25h256";
					reg = <0>; /* Chip select 0 */
					spi-max-frequency = <108000000>;
				};
			};
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;
		pinctrl-0 = <&pmx_keys>;
		pinctrl-names = "default";

		button@1 {
			label = "Factory Reset Button";
			linux,code = <141>; /* KEY_SETUP */
			gpios = <&gpio1 1 1>;
		};
	};
};