ramips: add D-Link DIR-620 A1 support

Full functionality runtime tested, installation via OEM web-interface requires
a follow-up patch.

Thanks go to Sergey Vasilyugin for his patch that pointed me at the missing
bits (including the antiparallel wps led).

Signed-off-by: Paul Fertser <fercerpav@gmail.com>

SVN-Revision: 33142

2 files changed, 52 insertions, 3 deletions

diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h
index 50f86889b7..2de19d799a 100644
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h
@@ -27,6 +27,7 @@ enum ramips_mach_type {
 	RAMIPS_MACH_DIR_600_B1,		/* D-Link DIR-600 B1 */
 	RAMIPS_MACH_DIR_600_B2,		/* D-Link DIR-600 B2 */
 	RAMIPS_MACH_DIR_615_D,		/* D-Link DIR-615 D */
+	RAMIPS_MACH_DIR_620_A1,		/* D-Link DIR-620 A1 */
 	RAMIPS_MACH_RT_G32_B1,		/* Asus RT-G32 B1 */
 	RAMIPS_MACH_RT_N10_PLUS,	/* Asus RT-N10+ */
 	RAMIPS_MACH_NW718,		/* Netcore NW718 */
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-dir-300-revb.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-dir-300-revb.c
index e4c5c73da1..3ae1b7852c 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-dir-300-revb.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-dir-300-revb.c
@@ -29,6 +29,12 @@
 #define DIR_300B_GPIO_LED_WAN_GREEN	12
 #define DIR_300B_GPIO_LED_WAN_AMBER	14
 
+/*
+ * NOTE: the WPS led in DIR-620 consists of two antiparallel leds,
+ * so they can't be lit simultaneously
+ */
+#define DIR_620_GPIO_LED_WPS_AMBER	11
+
 #define DIR_300B_GPIO_BUTTON_WPS	0	/* active low */
 #define DIR_300B_GPIO_BUTTON_RESET	10	/* active low */
 
@@ -77,7 +83,33 @@ static struct gpio_keys_button dir_300b_gpio_buttons[] __initdata = {
 	}
 };
 
-static void __init dir_300b_init(void)
+static struct gpio_led dir_620_leds_gpio[] __initdata = {
+	{
+		.name		= "d-link:amber:status",
+		.gpio		= DIR_300B_GPIO_LED_STATUS_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "d-link:green:status",
+		.gpio		= DIR_300B_GPIO_LED_STATUS_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "d-link:amber:wan",
+		.gpio		= DIR_300B_GPIO_LED_WAN_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "d-link:green:wan",
+		.gpio		= DIR_300B_GPIO_LED_WAN_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "d-link:blue:wps",
+		.gpio		= DIR_300B_GPIO_LED_WPS,
+	}, {
+		.name		= "d-link:amber:wps",
+		.gpio		= DIR_620_GPIO_LED_WPS_AMBER,
+	}
+};
+
+static void __init dir_common_init(void)
 {
 	rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 
@@ -85,8 +117,6 @@ static void __init dir_300b_init(void)
 
 	rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
 	rt305x_register_ethernet();
-	ramips_register_gpio_leds(-1, ARRAY_SIZE(dir_300b_leds_gpio),
-				  dir_300b_leds_gpio);
 	ramips_register_gpio_buttons(-1, DIR_300B_KEYS_POLL_INTERVAL,
 				     ARRAY_SIZE(dir_300b_gpio_buttons),
 				     dir_300b_gpio_buttons);
@@ -94,6 +124,21 @@ static void __init dir_300b_init(void)
 	rt305x_register_wdt();
 }
 
+static void __init dir_300b_init(void)
+{
+	dir_common_init();
+	ramips_register_gpio_leds(-1, ARRAY_SIZE(dir_300b_leds_gpio),
+				  dir_300b_leds_gpio);
+}
+
+static void __init dir_620a1_init(void)
+{
+	dir_common_init();
+	ramips_register_gpio_leds(-1, ARRAY_SIZE(dir_620_leds_gpio),
+				  dir_620_leds_gpio);
+	rt305x_register_usb();
+}
+
 MIPS_MACHINE(RAMIPS_MACH_DIR_300_B1, "DIR-300-B1", "D-Link DIR-300 B1",
 	     dir_300b_init);
 
@@ -105,3 +150,6 @@ MIPS_MACHINE(RAMIPS_MACH_DIR_600_B2, "DIR-600-B2", "D-Link DIR-600 B2",
 
 MIPS_MACHINE(RAMIPS_MACH_DIR_615_D, "DIR-615-D", "D-Link DIR-615 D",
 	     dir_300b_init);
+
+MIPS_MACHINE(RAMIPS_MACH_DIR_620_A1, "DIR-620-A1", "D-Link DIR-620 A1",
+	     dir_620a1_init);