ARM: mvebu: Add Armada 385 Access Point Development Board support

The A385-AP is a board produced by Marvell that holds 3 mPCIe slot, a 16MB
SPI-NOR, 3 Gigabit Ethernet ports, USB3 and NAND flash storage.

[gregory.clement@free-electrons.com: switch the license to the dual
X11/GPL with the agreement of the author]

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>

arch/arm/boot/dts/Makefile

@@ -536,6 +536,7 @@ dtb-$(CONFIG_MACH_ARMADA_375) += \
 	armada-375-db.dtb
 dtb-$(CONFIG_MACH_ARMADA_38X) += \
 	armada-385-db.dtb \
+	armada-385-db-ap.dtb \
 	armada-385-rd.dtb
 dtb-$(CONFIG_MACH_ARMADA_XP) += \
 	armada-xp-axpwifiap.dtb \

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

@@ -0,0 +1,178 @@
+/*
+ * 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,armada38x";
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+		stdout-path = &uart1;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x80000000>; /* 2GB */
+	};
+
+	soc {
+		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
+			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000>;
+
+		internal-regs {
+			spi1: spi@10680 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&spi1_pins>;
+				status = "okay";
+
+				spi-flash@0 {
+					#address-cells = <1>;
+					#size-cells = <1>;
+					compatible = "st,m25p128";
+					reg = <0>; /* Chip select 0 */
+					spi-max-frequency = <54000000>;
+				};
+			};
+
+			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";
+			};
+
+			ethernet@30000 {
+				status = "okay";
+				phy = <&phy2>;
+				phy-mode = "sgmii";
+			};
+
+			ethernet@34000 {
+				status = "okay";
+				phy = <&phy1>;
+				phy-mode = "sgmii";
+			};
+
+			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";
+			};
+		};
+
+		pcie-controller {
+			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";
+			};
+		};
+	};
+};