ar71xx: add kernel support for Netgear WNR2200 wireless router

This patch adds OpenWRT support for the Netgear WNR2200 (N300)
wireless router with USB.

Technical details of this router can be found at
http://www.netgear.com/home/products/wirelessrouters/work-and-play/WNR2200.aspx
and http://wikidevi.com/wiki/Netgear_WNR2200

Signed-off-by: Aidan Kissane <aidankissane@googlemail.com>
Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>
Patchwork: http://patchwork.openwrt.org/patch/4055/
[juhosg:
  - add commit message and SoB line from the original patch
  - remove dead code from mach-wnr2200.c
  - refresh 624-MIPS-ath79-WNR2200-support.patch]
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38059

target/linux/ar71xx/config-3.10

@@ -90,6 +90,7 @@ CONFIG_ATH79_MACH_WNDR3700=y
 CONFIG_ATH79_MACH_WNDR4300=y
 CONFIG_ATH79_MACH_WNR2000=y
 CONFIG_ATH79_MACH_WNR2000_V3=y
+CONFIG_ATH79_MACH_WNR2200=y
 CONFIG_ATH79_MACH_WP543=y
 CONFIG_ATH79_MACH_WPE72=y
 CONFIG_ATH79_MACH_WRT160NL=y

target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2200.c

@@ -0,0 +1,137 @@
+/*
+ *  NETGEAR WNR2200 board support
+ *
+ *  Copyright (C) 2013 Aidan Kissane <aidankissane at googlemail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ */
+
+#include <linux/gpio.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach-ath79/ath79.h>
+
+#include "dev-ap9x-pci.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-usb.h"
+#include "machtypes.h"
+
+#define WNR2200_GPIO_LED_LAN2_AMBER	0
+#define WNR2200_GPIO_LED_LAN4_AMBER	1
+#define WNR2200_GPIO_LED_WPS		5
+#define WNR2200_GPIO_LED_WAN_GREEN	7
+#define WNR2200_GPIO_LED_USB		8
+#define WNR2200_GPIO_LED_LAN3_AMBER	11
+#define WNR2200_GPIO_LED_WAN_AMBER	12
+#define WNR2200_GPIO_LED_LAN1_GREEN	13
+#define WNR2200_GPIO_LED_LAN2_GREEN	14
+#define WNR2200_GPIO_LED_LAN3_GREEN	15
+#define WNR2200_GPIO_LED_LAN4_GREEN	16
+#define WNR2200_GPIO_LED_PWR_AMBER	21
+#define WNR2200_GPIO_LED_PWR_GREEN	22
+
+#define WNR2200_GPIO_USB_POWER		24
+
+#define WNR2200_KEYS_POLL_INTERVAL	20 /* msecs */
+#define WNR2200_KEYS_DEBOUNCE_INTERVAL	(3 * WNR2200_KEYS_POLL_INTERVAL)
+
+#define WNR2200_MAC0_OFFSET		0
+#define WNR2200_MAC1_OFFSET		6
+#define WNR2200_PCIE_CALDATA_OFFSET	0x1000
+
+static struct gpio_led wnr2200_leds_gpio[] __initdata = {
+	{
+		.name		= "wnr2200:amber:lan2",
+		.gpio		= WNR2200_GPIO_LED_LAN2_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:amber:lan4",
+		.gpio		= WNR2200_GPIO_LED_LAN4_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:wps",
+		.gpio		= WNR2200_GPIO_LED_WPS,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:wan",
+		.gpio		= WNR2200_GPIO_LED_WAN_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:usb",
+		.gpio		= WNR2200_GPIO_LED_USB,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:amber:lan3",
+		.gpio		= WNR2200_GPIO_LED_LAN3_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:amber:wan",
+		.gpio		= WNR2200_GPIO_LED_WAN_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:lan1",
+		.gpio		= WNR2200_GPIO_LED_LAN1_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:lan2",
+		.gpio		= WNR2200_GPIO_LED_LAN2_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:lan3",
+		.gpio		= WNR2200_GPIO_LED_LAN3_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:lan4",
+		.gpio		= WNR2200_GPIO_LED_LAN4_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:anber:power",
+		.gpio		= WNR2200_GPIO_LED_PWR_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:power",
+		.gpio		= WNR2200_GPIO_LED_PWR_GREEN,
+		.active_low	= 1,
+	}
+};
+
+static void __init wnr2200_setup(void)
+{
+	u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
+
+	ath79_register_mdio(0, 0x0);
+
+	ath79_init_mac(ath79_eth0_data.mac_addr, art+WNR2200_MAC0_OFFSET, 0);
+	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
+	ath79_eth0_data.speed = SPEED_100;
+	ath79_eth0_data.duplex = DUPLEX_FULL;
+
+	ath79_init_mac(ath79_eth1_data.mac_addr, art+WNR2200_MAC1_OFFSET, 0);
+	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
+	ath79_eth1_data.phy_mask = 0x10;
+
+	ath79_register_eth(0);
+	ath79_register_eth(1);
+
+	ath79_register_m25p80(NULL);
+	ap91_pci_init(art + WNR2200_PCIE_CALDATA_OFFSET, NULL);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr2200_leds_gpio),
+					wnr2200_leds_gpio);
+
+	/* enable power for the USB port */
+	gpio_request_one(WNR2200_GPIO_USB_POWER,
+			GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
+			"USB power");
+
+	ath79_register_usb();
+}
+
+MIPS_MACHINE(ATH79_MACH_WNR2200, "WNR2200", "NETGEAR WNR2200", wnr2200_setup);

target/linux/ar71xx/patches-3.10/624-MIPS-ath79-WNR2200-support.patch

@@ -0,0 +1,39 @@
+--- a/arch/mips/ath79/machtypes.h
++++ b/arch/mips/ath79/machtypes.h
+@@ -128,6 +128,7 @@ enum ath79_mach_type {
+ 	ATH79_MACH_WNDR4300,		/* NETGEAR WNDR4300 */
+ 	ATH79_MACH_WNR2000,		/* NETGEAR WNR2000 */
+ 	ATH79_MACH_WNR2000_V3,		/* NETGEAR WNR2000 v3 */
++	ATH79_MACH_WNR2200,		/* NETGEAR WNR2200 */
+ 	ATH79_MACH_WNR612_V2,		/* NETGEAR WNR612 v2 */
+ 	ATH79_MACH_WP543,		/* Compex WP543 */
+ 	ATH79_MACH_WPE72,		/* Compex WPE72 */
+--- a/arch/mips/ath79/Kconfig
++++ b/arch/mips/ath79/Kconfig
+@@ -437,6 +437,16 @@ config ATH79_MACH_WNR2000_V3
+ 	select ATH79_DEV_LEDS_GPIO
+ 	select ATH79_DEV_M25P80
+ 
++	config ATH79_MACH_WNR2200
++	bool "NETGEAR WNR2200 board support"
++	select SOC_AR724X
++	select ATH79_DEV_AP9X_PCI if PCI
++	select ATH79_DEV_ETH
++	select ATH79_DEV_GPIO_BUTTONS
++	select ATH79_DEV_LEDS_GPIO
++	select ATH79_DEV_M25P80
++	select ATH79_DEV_USB
++
+ config ATH79_MACH_OM2P
+ 	bool "OpenMesh OM2P board support"
+ 	select SOC_AR724X
+--- a/arch/mips/ath79/Makefile
++++ b/arch/mips/ath79/Makefile
+@@ -105,6 +105,7 @@ obj-$(CONFIG_ATH79_MACH_WNDR3700)	+= mac
+ obj-$(CONFIG_ATH79_MACH_WNDR4300)	+= mach-wndr4300.o
+ obj-$(CONFIG_ATH79_MACH_WNR2000)	+= mach-wnr2000.o
+ obj-$(CONFIG_ATH79_MACH_WNR2000_V3)	+= mach-wnr2000-v3.o
++obj-$(CONFIG_ATH79_MACH_WNR2200)	+= mach-wnr2200.o
+ obj-$(CONFIG_ATH79_MACH_WP543)		+= mach-wp543.o
+ obj-$(CONFIG_ATH79_MACH_WPE72)		+= mach-wpe72.o
+ obj-$(CONFIG_ATH79_MACH_WRT160NL)	+= mach-wrt160nl.o