This is a router based on the mv88f5181 chipset.

http://www.netgear.com/support/product/WNR854T.aspx
http://wiki.openwrt.org/toh/netgear/wnr854t

Signed-off-by: Jamie Lentin <j...@lentin.co.uk>
---
 .../bindings/arm/marvell/marvell,orion5x.txt       |   1 +
 arch/arm/boot/dts/Makefile                         |   1 +
 arch/arm/boot/dts/orion5x-netgear-wnr854t.dts      | 200 +++++++++++++++++++++
 arch/arm/mach-orion5x/Kconfig                      |   6 +
 arch/arm/mach-orion5x/Makefile                     |   1 +
 arch/arm/mach-orion5x/board-wnr854t.c              |  78 ++++++++
 6 files changed, 287 insertions(+)
 create mode 100644 arch/arm/boot/dts/orion5x-netgear-wnr854t.dts
 create mode 100644 arch/arm/mach-orion5x/board-wnr854t.c

diff --git a/Documentation/devicetree/bindings/arm/marvell/marvell,orion5x.txt 
b/Documentation/devicetree/bindings/arm/marvell/marvell,orion5x.txt
index ff3c120..748a8f2 100644
--- a/Documentation/devicetree/bindings/arm/marvell/marvell,orion5x.txt
+++ b/Documentation/devicetree/bindings/arm/marvell/marvell,orion5x.txt
@@ -22,3 +22,4 @@ board. Currently known boards are:
 "lacie,d2-network"
 "marvell,rd-88f5182-nas"
 "maxtor,shared-storage-2"
+"netgear,wnr854t"
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 95c1923..63b9202 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -535,6 +535,7 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
        orion5x-linkstation-lswtgl.dtb \
        orion5x-lswsgl.dtb \
        orion5x-maxtor-shared-storage-2.dtb \
+       orion5x-netgear-wnr854t.dtb \
        orion5x-rd88f5182-nas.dtb
 dtb-$(CONFIG_ARCH_PRIMA2) += \
        prima2-evb.dtb
diff --git a/arch/arm/boot/dts/orion5x-netgear-wnr854t.dts 
b/arch/arm/boot/dts/orion5x-netgear-wnr854t.dts
new file mode 100644
index 0000000..a8e89d8
--- /dev/null
+++ b/arch/arm/boot/dts/orion5x-netgear-wnr854t.dts
@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2014 Jamie Lentin <j...@lentin.co.uk>
+ *
+ * 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 "orion5x-mv88f5181.dtsi"
+
+/ {
+       model = "Netgear WNR854-t";
+       compatible = "netgear,wnr854t", "marvell,orion5x-88f5181",
+                       "marvell,orion5x";
+
+       memory {
+               reg = <0x00000000 0x2000000>; /* 32 MB */
+       };
+
+       chosen {
+               bootargs = "console=ttyS0,115200n8 earlyprintk";
+               linux,stdout-path = &uart0;
+       };
+
+       soc {
+               ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>,
+                       <MBUS_ID(0x09, 0x00) 0 0xf2200000 0x800>,
+                       <MBUS_ID(0x01, 0x0f) 0 0xf4000000 0x800000>;
+       };
+
+       gpio-keys {
+               compatible = "gpio-keys";
+               pinctrl-0 = <&pmx_reset_switch>;
+               pinctrl-names = "default";
+
+               reset {
+                       label = "Reset Button";
+                       linux,code = <KEY_RESTART>;
+                       gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+               };
+       };
+
+       gpio-leds {
+               compatible = "gpio-leds";
+               pinctrl-0 = <&pmx_power_led &pmx_power_led_blink &pmx_wan_led>;
+               pinctrl-names = "default";
+
+               led@0 {
+                       label = "power:green";
+                       gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
+               };
+
+               led@1 {
+                       label = "power:blink";
+                       gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+               };
+
+               led@2 {
+                       label = "wan:green";
+                       gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+               };
+       };
+
+       dsa@0 {
+               compatible = "marvell,dsa";
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               dsa,ethernet = <&ethport>;
+               dsa,mii-bus = <&mdio>;
+
+               switch@0 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0 0>;    /* MDIO address 0, switch 0 in tree */
+
+                       port@0 {
+                               reg = <0>;
+                               label = "lan3";
+                       };
+
+                       port@1 {
+                               reg = <1>;
+                               label = "lan4";
+                       };
+
+                       port@2 {
+                               reg = <2>;
+                               label = "wan";
+                       };
+
+                       port@3 {
+                               reg = <3>;
+                               label = "cpu";
+                       };
+
+                       port@5 {
+                               reg = <5>;
+                               label = "lan1";
+                       };
+
+                       port@7 {
+                               reg = <7>;
+                               label = "lan2";
+                       };
+               };
+       };
+};
+
+&devbus_bootcs {
+       status = "okay";
+
+       devbus,keep-config;
+
+       flash@0 {
+               compatible = "cfi-flash";
+               reg = <0 0x800000>;
+               bank-width = <1>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               partition@0 {
+                       label = "kernel";
+                       reg = <0x0 0x100000>;
+               };
+
+               partition@100000 {
+                       label = "rootfs";
+                       reg = <0x100000 0x660000>;
+               };
+
+               partition@760000 {
+                       label = "uboot_env";
+                       reg = <0x760000 0x20000>;
+               };
+
+               partition@780000 {
+                       label = "uboot";
+                       reg = <0x780000 0x80000>;
+                       read-only;
+               };
+       };
+};
+
+&mdio {
+       status = "okay";
+};
+
+&eth {
+       status = "okay";
+       ethernet-port@0 {
+               speed = <1000>;
+               duplex = <1>;
+       };
+};
+
+&pinctrl {
+       pinctrl-0 = <&pmx_pci_gpios &pmx_ge>;
+       pinctrl-names = "default";
+
+       pmx_power_led: pmx-power-led {
+               marvell,pins = "mpp0";
+               marvell,function = "gpio";
+       };
+
+       pmx_reset_switch: pmx-reset-switch {
+               marvell,pins = "mpp1";
+               marvell,function = "gpio";
+       };
+
+       pmx_power_led_blink: pmx-power-led-blink {
+               marvell,pins = "mpp2";
+               marvell,function = "gpio";
+       };
+
+       pmx_wan_led: pmx-wan-led {
+               marvell,pins = "mpp3";
+               marvell,function = "gpio";
+       };
+
+       pmx_pci_gpios: pmx-pci-gpios {
+               marvell,pins = "mpp4";
+               marvell,function = "gpio";
+       };
+
+       pmx_ge: pmx-ge {
+               marvell,pins = "mpp9", "mpp12", "mpp13", "mpp14", "mpp15",
+                               "mpp16", "mpp17", "mpp18", "mpp19";
+               marvell,function = "ge";
+       };
+};
+
+&uart0 {
+       /* Pin 1: Tx, Pin 7: Rx, Pin 8: Gnd */
+       status = "okay";
+};
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index a2af158..1fdb95d 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -151,6 +151,12 @@ config MACH_MSS2_DT
          Say 'Y' here if you want your kernel to support the
          Maxtor Shared Storage II platform.
 
+config MACH_WNR854T_DT
+       bool "Netgear WNR854T (Flattened Device Tree)"
+       help
+         Say 'Y' here if you want your kernel to support the
+         Netgear WNR854T platform.
+
 config MACH_WNR854T
        bool "Netgear WNR854T"
        help
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index 4b2502b..9dff2d3 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -24,3 +24,4 @@ obj-$(CONFIG_ARCH_ORION5X_DT)         += board-dt.o
 obj-$(CONFIG_MACH_D2NET_DT)    += board-d2net.o
 obj-$(CONFIG_MACH_MSS2_DT)     += board-mss2.o
 obj-$(CONFIG_MACH_RD88F5182_DT)        += board-rd88f5182.o
+obj-$(CONFIG_MACH_WNR854T_DT)  += board-wnr854t.o
diff --git a/arch/arm/mach-orion5x/board-wnr854t.c 
b/arch/arm/mach-orion5x/board-wnr854t.c
new file mode 100644
index 0000000..c506e33
--- /dev/null
+++ b/arch/arm/mach-orion5x/board-wnr854t.c
@@ -0,0 +1,78 @@
+/*
+ * Netgear WNR854T PCI setup
+ *
+ * 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.
+ */
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <asm/mach/pci.h>
+#include "common.h"
+#include "orion5x.h"
+
+#define WNR854T_PCI_SLOT0_OFFS 7
+#define WNR854T_PCI_SLOT0_IRQ_PIN      4
+
+static void __init wnr854t_pci_preinit(void)
+{
+       int pin;
+
+       /*
+        * Configure PCI GPIO IRQ pins
+        */
+       pin = WNR854T_PCI_SLOT0_IRQ_PIN;
+       if (gpio_request(pin, "PCI Int") == 0) {
+               if (gpio_direction_input(pin) == 0) {
+                       irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
+               } else {
+                       pr_err("wnr854t_pci_preinit failed to set_irq_type pin 
%d\n",
+                               pin);
+                       gpio_free(pin);
+               }
+       } else {
+               pr_err("wnr854t_pci_preinit failed to request gpio %d\n", pin);
+       }
+}
+
+static int __init wnr854t_pci_map_irq(const struct pci_dev *dev, u8 slot,
+       u8 pin)
+{
+       int irq;
+
+       /*
+        * Check for devices with hard-wired IRQs.
+        */
+       irq = orion5x_pci_map_irq(dev, slot, pin);
+       if (irq != -1)
+               return irq;
+
+       /*
+        * PCI IRQs are connected via GPIOs
+        */
+       switch (slot - WNR854T_PCI_SLOT0_OFFS) {
+       case 0:
+               return gpio_to_irq(WNR854T_PCI_SLOT0_IRQ_PIN);
+       default:
+               return -1;
+       }
+}
+
+static struct hw_pci wnr854t_pci __initdata = {
+       .nr_controllers = 2,
+       .preinit        = wnr854t_pci_preinit,
+       .setup          = orion5x_pci_sys_setup,
+       .scan           = orion5x_pci_sys_scan_bus,
+       .map_irq        = wnr854t_pci_map_irq,
+};
+
+static int __init wnr854t_pci_init(void)
+{
+       if (of_machine_is_compatible("netgear,wnr854t"))
+               pci_common_init(&wnr854t_pci);
+
+       return 0;
+}
+/* NB: Use late_initcall so we can gpio_request() without being deferred */
+late_initcall(wnr854t_pci_init);
-- 
2.8.1

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