ar71xx: add support for TP-Link TL-WR940N v6

Add support for TL-WR940N v6 board. It is pretty much the same as v5
except they only left WAN LED and removed other ones.

Installation: flash factory image through WEB UI or use TFTP.

Signed-off-by: Robert Marko <robimarko@gmail.com>

2 files changed, 53 insertions, 17 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr940n-v4.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr940n-v4.c
index d693b947c8..b530622d9f 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr940n-v4.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr940n-v4.c
@@ -1,5 +1,5 @@
 /*
- *  TP-LINK TL-WR940N v4 board support
+ *  TP-LINK TL-WR940N v4 and v6 board support
  *
  *  Copyright (C) 2016 David Lutz <kpanic@ff3l.net>
  *
@@ -32,12 +32,15 @@
 #define TL_WR940N_V4_GPIO_LED_LAN1		8
 #define TL_WR940N_V4_GPIO_LED_WLAN		7
 #define TL_WR940N_V4_GPIO_LED_SYSTEM		5
+/* WR940N v6 specific GPIO*/
+#define TL_WR940N_V6_GPIO_LED_DIAG_ORANGE	15
+#define TL_WR940N_V6_GPIO_LED_WAN_BLUE		14
 
 #define TL_WR940N_V4_GPIO_BTN_RESET		1
 #define TL_WR940N_V4_GPIO_BTN_RFKILL		2
 
-#define TL_WR940N_V4_KEYS_POLL_INTERVAL	20
-#define TL_WR940N_V4_KEYS_DEBOUNCE_INTERVAL	(3 * TL_WR940N_V4_KEYS_POLL_INTERVAL)
+#define TL_WR940N_KEYS_POLL_INTERVAL		20
+#define TL_WR940N_KEYS_DEBOUNCE_INTERVAL	(3 * TL_WR940N_KEYS_POLL_INTERVAL)
 
 
 static struct gpio_led tl_wr940n_v4_leds_gpio[] __initdata = {
@@ -93,43 +96,49 @@ static struct gpio_keys_button tl_wr940n_v4_gpio_keys[] __initdata = {
 		.desc		= "Reset button",
 		.type		= EV_KEY,
 		.code		= KEY_RESTART,
-		.debounce_interval = TL_WR940N_V4_KEYS_DEBOUNCE_INTERVAL,
+		.debounce_interval = TL_WR940N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= TL_WR940N_V4_GPIO_BTN_RESET,
 		.active_low	= 1,
 	}, {
 		.desc		= "RFKILL button",
 		.type		= EV_KEY,
 		.code		= KEY_RFKILL,
-		.debounce_interval = TL_WR940N_V4_KEYS_DEBOUNCE_INTERVAL,
+		.debounce_interval = TL_WR940N_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= TL_WR940N_V4_GPIO_BTN_RFKILL,
 		.active_low	= 1,
 	}
 };
 
+static struct gpio_led tl_wr940n_v6_leds_gpio[] __initdata = {
+	{
+		.name		= "tp-link:blue:wan",
+		.gpio		= TL_WR940N_V6_GPIO_LED_WAN_BLUE,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:orange:diag",
+		.gpio		= TL_WR940N_V6_GPIO_LED_DIAG_ORANGE,
+		.active_low	= 0,
+	},
+};
+
 
-static const char *tl_wr940n_v4_part_probes[] = {
+static const char *tl_wr940n_part_probes[] = {
 	"tp-link",
 	NULL,
 };
 
-static struct flash_platform_data tl_wr940n_v4_flash_data = {
-	.part_probes	= tl_wr940n_v4_part_probes,
+static struct flash_platform_data tl_wr940n_flash_data = {
+	.part_probes	= tl_wr940n_part_probes,
 };
 
 
-static void __init tl_wr940n_v4_setup(void)
+static void __init tl_wr940n_setup(void)
 {
 	u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 
-	ath79_register_m25p80(&tl_wr940n_v4_flash_data);
-
-	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr940n_v4_leds_gpio),
-				 tl_wr940n_v4_leds_gpio);
-
-	ath79_register_gpio_keys_polled(-1, TL_WR940N_V4_KEYS_POLL_INTERVAL,
-					ARRAY_SIZE(tl_wr940n_v4_gpio_keys),
-					tl_wr940n_v4_gpio_keys);
+	ath79_register_m25p80(&tl_wr940n_flash_data);
 
 	ath79_register_mdio(0, 0x0);
 
@@ -145,5 +154,31 @@ static void __init tl_wr940n_v4_setup(void)
 
 }
 
+static void __init tl_wr940n_v4_setup(void)
+{
+	tl_wr940n_setup();
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr940n_v4_leds_gpio),
+				 tl_wr940n_v4_leds_gpio);
+
+	ath79_register_gpio_keys_polled(-1, TL_WR940N_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(tl_wr940n_v4_gpio_keys),
+					tl_wr940n_v4_gpio_keys);
+}
+
+static void __init tl_wr940n_v6_setup(void)
+{
+	tl_wr940n_setup();
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr940n_v6_leds_gpio),
+				 tl_wr940n_v6_leds_gpio);
+
+	ath79_register_gpio_keys_polled(-1, TL_WR940N_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(tl_wr940n_v4_gpio_keys),
+					tl_wr940n_v4_gpio_keys);
+}
+
 MIPS_MACHINE(ATH79_MACH_TL_WR940N_V4, "TL-WR940N-v4", "TP-LINK TL-WR940N v4",
 	     tl_wr940n_v4_setup);
+MIPS_MACHINE(ATH79_MACH_TL_WR940N_V6, "TL-WR940N-v6", "TP-LINK TL-WR940N v6",
+	     tl_wr940n_v6_setup);
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
index 372af17cd1..6007b512aa 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
+++ b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
@@ -298,6 +298,7 @@ enum ath79_mach_type {
 	ATH79_MACH_TL_WR941ND_V5,		/* TP-LINK TL-WR941ND v5 */
 	ATH79_MACH_TL_WR941ND_V6,		/* TP-LINK TL-WR941ND v6 */
 	ATH79_MACH_TL_WR940N_V4,		/* TP-LINK TL-WR940N v4 */
+	ATH79_MACH_TL_WR940N_V6,		/* TP-LINK TL-WR940N v6 */
 	ATH79_MACH_TL_WR942N_V1,		/* TP-LINK TL-WR942N v1 */
 	ATH79_MACH_TUBE2H,			/* Alfa Network Tube2H */
 	ATH79_MACH_UBNT_AIRGW,			/* Ubiquiti AirGateway */