ar71xx: add support for Netgear WPN824N

Add support for Netgear WPN824N.
Hardware specs:
  * AR7240, 4 LAN ports, 1 WAN port
  * AR9285 WLAN
  * 32 MB RAM
  * 4 MB Flash
  * 16 LEDs (LAN, WAN and Power/Status contain two LEDs for dual color
    effect)
  * 3 Buttons (not supported)

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>

SVN-Revision: 48356

3 files changed, 124 insertions, 3 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
index cdd4fa2dc2..da2641440e 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
@@ -794,7 +794,7 @@ config ATH79_MACH_WNR2000
 	select ATH79_DEV_WMAC
 
 config ATH79_MACH_WNR2000_V3
-	bool "NETGEAR WNR2000 V3/WNR612 v2/WNR1000 v2 board support"
+	bool "NETGEAR WNR2000 V3/WNR612 v2/WNR1000 v2/WPN824N board support"
 	select SOC_AR724X
 	select ATH79_DEV_AP9X_PCI if PCI
 	select ATH79_DEV_ETH
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c
index 2e14782200..205c2e7d5a 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c
@@ -1,7 +1,8 @@
 /*
- *  NETGEAR WNR2000v3/WNR612v2/WNR1000v2 board support
+ *  NETGEAR WNR2000v3/WNR612v2/WNR1000v2/WPN824N board support
  *
- *  Copytight (C) 2013 Mathieu Olivari <mathieu.olivari@gmail.com>
+ *  Copyright (C) 2015 Hartmut Knaack <knaack.h@gmx.de>
+ *  Copyright (C) 2013 Mathieu Olivari <mathieu.olivari@gmail.com>
  *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  *  Copyright (C) 2008-2009 Andy Boyett <agb@openwrt.org>
@@ -15,6 +16,8 @@
 #include <linux/mtd/partitions.h>
 
 #include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h> /* needed to disable switch LEDs */
+#include "common.h" /* needed to disable switch LEDs */
 
 #include "dev-ap9x-pci.h"
 #include "dev-eth.h"
@@ -34,6 +37,29 @@
 #define WNR1000V2_GPIO_LED_PWR_AMBER	1
 #define WNR1000V2_GPIO_LED_PWR_GREEN	11
 
+/* Connected through AR7240 */
+#define WPN824N_GPIO_LED_WAN_AMBER	0
+#define WPN824N_GPIO_LED_STATUS_AMBER	1
+#define WPN824N_GPIO_LED_LAN1_AMBER	6 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
+#define WPN824N_GPIO_LED_LAN2_AMBER	7 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
+#define WPN824N_GPIO_LED_LAN3_AMBER	8 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
+#define WPN824N_GPIO_LED_LAN4_AMBER	12
+#define WPN824N_GPIO_LED_LAN1_GREEN	13
+#define WPN824N_GPIO_LED_LAN2_GREEN	14
+#define WPN824N_GPIO_LED_LAN3_GREEN	15 /* AR724X_GPIO_FUNC_CLK_OBS3_EN */
+#define WPN824N_GPIO_LED_LAN4_GREEN	16
+#define WPN824N_GPIO_LED_WAN_GREEN	17
+
+/* Connected through AR9285 */
+#define WPN824N_WGPIO_LED_PWR_GREEN	0
+#define WPN824N_WGPIO_LED_WLAN_BLUE	1
+#define WPN824N_WGPIO_LED_WPS1_BLUE	5
+#define WPN824N_WGPIO_LED_WPS2_BLUE	9
+#define WPN824N_WGPIO_LED_TEST_AMBER	10
+#define WPN824N_WGPIO_BTN_PUSH		6	/* currently unused */
+#define WPN824N_WGPIO_BTN_RESET		7	/* currently unused */
+#define WPN824N_WGPIO_BTN_WLAN		8	/* currently unused */
+
 #define WNR2000V3_KEYS_POLL_INTERVAL	20	/* msecs */
 #define WNR2000V3_KEYS_DEBOUNCE_INTERVAL	(3 * WNR2000V3_KEYS_POLL_INTERVAL)
 
@@ -73,6 +99,78 @@ static struct gpio_led wnr1000v2_leds_gpio[] __initdata = {
 	}
 };
 
+static struct gpio_led wpn824n_leds_gpio[] __initdata = {
+	{
+		.name		= "netgear:amber:wan",
+		.gpio		= WPN824N_GPIO_LED_WAN_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:amber:status",
+		.gpio		= WPN824N_GPIO_LED_STATUS_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:amber:lan1",
+		.gpio		= WPN824N_GPIO_LED_LAN1_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:amber:lan2",
+		.gpio		= WPN824N_GPIO_LED_LAN2_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:amber:lan3",
+		.gpio		= WPN824N_GPIO_LED_LAN3_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:amber:lan4",
+		.gpio		= WPN824N_GPIO_LED_LAN4_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:green:lan1",
+		.gpio		= WPN824N_GPIO_LED_LAN1_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:green:lan2",
+		.gpio		= WPN824N_GPIO_LED_LAN2_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:green:lan3",
+		.gpio		= WPN824N_GPIO_LED_LAN3_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:green:lan4",
+		.gpio		= WPN824N_GPIO_LED_LAN4_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:green:wan",
+		.gpio		= WPN824N_GPIO_LED_WAN_GREEN,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_led wpn824n_wmac_leds_gpio[] = {
+	{
+		.name		= "netgear:green:power",
+		.gpio		= WPN824N_WGPIO_LED_PWR_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:blue:wlan",
+		.gpio		= WPN824N_WGPIO_LED_WLAN_BLUE,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:blue:wps1",
+		.gpio		= WPN824N_WGPIO_LED_WPS1_BLUE,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:blue:wps2",
+		.gpio		= WPN824N_WGPIO_LED_WPS2_BLUE,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:amber:test",
+		.gpio		= WPN824N_WGPIO_LED_TEST_AMBER,
+		.active_low	= 1,
+	}
+};
+
 static struct gpio_keys_button wnr2000v3_gpio_keys[] __initdata = {
 	{
 		.desc		= "wps",
@@ -138,3 +236,25 @@ static void __init wnr1000v2_setup(void)
 }
 
 MIPS_MACHINE(ATH79_MACH_WNR1000_V2, "WNR1000V2", "NETGEAR WNR1000 V2", wnr1000v2_setup);
+
+static void __init wpn824n_setup(void)
+{
+	ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
+				  AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
+				  AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
+				  AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
+				  AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
+				  AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN |
+				  AR724X_GPIO_FUNC_CLK_OBS3_EN);
+
+	wnr_common_setup();
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(wpn824n_leds_gpio),
+				 wpn824n_leds_gpio);
+
+	ap9x_pci_setup_wmac_led_pin(0, WPN824N_WGPIO_LED_WLAN_BLUE);
+	ap9x_pci_setup_wmac_leds(0, wpn824n_wmac_leds_gpio,
+				 ARRAY_SIZE(wpn824n_wmac_leds_gpio));
+}
+
+MIPS_MACHINE(ATH79_MACH_WPN824N, "WPN824N", "NETGEAR WPN824N", wpn824n_setup);
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
index d12829f4de..a170e8d12d 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
+++ b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
@@ -228,6 +228,7 @@ enum ath79_mach_type {
 	ATH79_MACH_WNR2200,		/* NETGEAR WNR2200 */
 	ATH79_MACH_WNR612_V2,		/* NETGEAR WNR612 v2 */
 	ATH79_MACH_WNR1000_V2,		/* NETGEAR WNR1000 v2 */
+	ATH79_MACH_WPN824N,		/* NETGEAR WPN824N */
 	ATH79_MACH_WP543,		/* Compex WP543 */
 	ATH79_MACH_WPE72,		/* Compex WPE72 */
 	ATH79_MACH_WPJ344,		/* Compex WPJ344 */