add led defintion for the WR2543 5GHz WLAN LED

Signed-off-by: Andy Leiserson <andy@leiserson.org>

SVN-Revision: 33215

target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr2543n.c

@@ -24,6 +24,10 @@
 #define TL_WR2543N_GPIO_LED_WPS        0
 #define TL_WR2543N_GPIO_LED_USB        8
 
+// The WLAN LEDs use GPIOs on the discrete AR9380 wmac
+#define TL_WR2543N_GPIO_WMAC_LED_WLAN2G 0
+#define TL_WR2543N_GPIO_WMAC_LED_WLAN5G 1
+
 #define TL_WR2543N_GPIO_BTN_RESET      11
 #define TL_WR2543N_GPIO_BTN_WPS        12
 
@@ -54,6 +58,14 @@ static struct gpio_led tl_wr2543n_leds_gpio[] __initdata = {
 	}
 };
 
+static struct gpio_led tl_wr2543n_wmac_leds_gpio[] = {
+	{
+		.name		= "tp-link:green:wlan5g",
+		.gpio		= TL_WR2543N_GPIO_WMAC_LED_WLAN5G,
+		.active_low	= 1,
+	},
+};
+
 static struct gpio_keys_button tl_wr2543n_gpio_keys[] __initdata = {
 	{
 		.desc		= "reset",
@@ -113,7 +125,14 @@ static void __init tl_wr2543n_setup(void)
 					tl_wr2543n_gpio_keys);
 	ath79_register_usb();
 
-	ap9x_pci_setup_wmac_led_pin(0, 0);
+	// The ath9k driver uses this pin for its default led device, which is
+	// named ath9k-phy0, and reflects activity on either the 2 GHz or 5 GHz
+	// bands. This pin is connected to the WR2543's 2GHz WLAN LED.
+	ap9x_pci_setup_wmac_led_pin(0, TL_WR2543N_GPIO_WMAC_LED_WLAN2G);
+	// We also have the driver set up an led device for the WR2543's
+	// separate 5 GHz WLAN LED in case the user wants it.
+	ap9x_pci_setup_wmac_leds(0, tl_wr2543n_wmac_leds_gpio,
+				 ARRAY_SIZE(tl_wr2543n_wmac_leds_gpio));
 	ap91_pci_init(eeprom, mac);
 
 	ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);