[PATCH] mvebu: add Linksys WRT1900AC (Mamba) support

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The Linksys WRT1900AC (Mamba) is a router that has

- 2 mini-PCIe slots with Marvell 88W8864 radios
- 1 USB 3.0 port
- 1 USB 2.0/eSATAp port
- 2 Ethernet interfaces connected to a 88E6172 switch (1x WAN + 4x LAN)
- 128MB NAND flash
- 256MB RAM

Signed-off-by: Imre Kaloz <kaloz@xxxxxxxxxxx>
---
 arch/arm/boot/dts/Makefile            |   1 +
 arch/arm/boot/dts/armada-xp-mamba.dts | 264 ++++++++++++++++++++++++++++++++++
 2 files changed, 265 insertions(+)
 create mode 100644 arch/arm/boot/dts/armada-xp-mamba.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 91bd5bd..2914c88 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -542,6 +542,7 @@ dtb-$(CONFIG_MACH_ARMADA_XP) += \
 	armada-xp-gp.dtb \
 	armada-xp-lenovo-ix4-300d.dtb \
 	armada-xp-matrix.dtb \
+	armada-xp-mamba.dtb \
 	armada-xp-netgear-rn2120.dtb \
 	armada-xp-openblocks-ax3-4.dtb \
 	armada-xp-synology-ds414.dtb
diff --git a/arch/arm/boot/dts/armada-xp-mamba.dts b/arch/arm/boot/dts/armada-xp-mamba.dts
new file mode 100644
index 0000000..1f13e49
--- /dev/null
+++ b/arch/arm/boot/dts/armada-xp-mamba.dts
@@ -0,0 +1,264 @@
+/*
+ * 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) 2014 Imre Kaloz <kaloz@xxxxxxxxxxx>
+ *
+ * Based on armada-xp-axpwifiap.dts:
+ *
+ *       Copyright (C) 2013 Marvell
+ *
+ *       Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
+ *
+ * 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 <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#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";
+	};
+
+	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 {
+				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 = "mpp32", "mpp33";
+					marvell,function = "gpio";
+				};
+
+				pmx_spi: pmx-spi {
+					marvell,pins = "mpp36", "mpp37", "mpp38", "mpp39";
+					marvell,function = "spi";
+				};
+
+				power_led_pin: power-led-pin {
+					marvell,pins = "mpp40";
+					marvell,function = "gpio";
+				};
+
+				gpio_fan_pin: gpio-fan-pin {
+					marvell,pins = "mpp24";
+					marvell,function = "gpio";
+				};
+			};
+
+			serial@12000 {
+				clock-frequency = <250000000>;
+				status = "okay";
+			};
+
+			sata@a0000 {
+				nr-ports = <1>;
+				status = "okay";
+			};
+
+			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>;
+
+				tmp421@4c {
+					compatible = "ti,tmp421";
+					reg = <0x4c>;
+				};
+			};
+
+			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";
+					reg = <0x100000 0x40000>;    /* 256KB */
+				};
+
+				partition@140000 {
+					label = "s_env";
+					reg = <0x140000 0x40000>;    /* 256KB */
+				};
+
+				partition@900000 {
+					label = "devinfo";
+					reg = <0x900000 0x100000>;    /* 1MB */
+					read-only;
+				};
+
+				partition@a00000 {
+					label = "kernel1";
+					reg = <0xa00000 0x2800000>;    /* 3MB + rootfs1 */
+				};
+
+				partition@d00000 {
+					label = "rootfs1";
+					reg = <0xd00000 0x2500000>;    /* 37MB */
+				};
+
+				partition@3200000 {
+					label = "kernel2";
+					reg = <0x3200000 0x2800000>;    /* 3MB + rootfs2 */
+				};
+
+				partition@3500000 {
+					label = "rootfs2";
+					reg = <0x3500000 0x2500000>;    /* 37MB */
+				};
+
+				/* Last MB is for the BBT, i.e. not writable */
+				partition@5a00000 {
+					label = "syscfg";
+					reg = <0x5a00000 0x2600000>;    /* 38MB */
+				};
+			};
+
+			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 = "WPS";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
+		};
+
+		button@2 {
+			label = "Factory Reset Button";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+		pinctrl-0 = <&power_led_pin>;
+		pinctrl-names = "default";
+
+		power {
+			label = "mamba:white:power";
+			gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+	};
+
+	gpio_fan {
+		/* SUNON HA4010V4-0000-C99 */
+		compatible = "gpio-fan";
+		gpios = <&gpio0 24 0>;
+
+		gpio-fan,speed-map = <0    0
+				      4500 1>;
+	};
+};
-- 
2.1.0
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