ar71xx: add support for TP-LINK TL-WR842N/ND v3

- CPU QCA9531-BL3A
- RAM: 64MB
- flash: 16MB
- USB

AP143 platform, similar to tl-wr841n v10/v11, but with USB

Signed-off-by: Cezary Jackiewicz <cezary@eko.one.pl>

target/linux/ar71xx/base-files/etc/board.d/01_leds

@@ -626,6 +626,16 @@ tl-wr842n-v2)
 	ucidef_set_led_usbdev "usb" "USB" "tp-link:green:3g" "1-1"
 	;;
 
+tl-wr842n-v3)
+	ucidef_set_led_netdev "wan" "WAN" "tp-link:green:wan" "eth1"
+	ucidef_set_led_switch "lan1" "LAN1" "tp-link:green:lan1" "switch0" "0x10"
+	ucidef_set_led_switch "lan2" "LAN2" "tp-link:green:lan2" "switch0" "0x08"
+	ucidef_set_led_switch "lan3" "LAN3" "tp-link:green:lan3" "switch0" "0x04"
+	ucidef_set_led_switch "lan4" "LAN4" "tp-link:green:lan4" "switch0" "0x02"
+	ucidef_set_led_wlan "wlan" "WLAN" "tp-link:green:wlan" "phy0tpt"
+	ucidef_set_led_usbdev "usb" "USB" "tp-link:green:3g" "1-1"
+	;;
+
 tl-wa801nd-v2 | \
 tl-wa901nd-v3)
 	ucidef_set_led_netdev "lan" "LAN" "tp-link:green:lan" "eth0"

target/linux/ar71xx/base-files/etc/board.d/02_network

@@ -461,6 +461,7 @@ tl-wr741nd |\
 tl-wr741nd-v4 |\
 tl-wr841n-v7 |\
 tl-wr841n-v9 |\
+tl-wr842n-v3 |\
 whr-g301n |\
 whr-hp-g300n |\
 whr-hp-gn |\

target/linux/ar71xx/base-files/etc/diag.sh

@@ -321,6 +321,7 @@ get_status_led() {
 	tl-wr841n-v8 | \
 	tl-wa830re-v2 | \
 	tl-wr842n-v2 | \
+	tl-wr842n-v3 | \
 	tl-wr941nd | \
 	tl-wr941nd-v5)
 		status_led="tp-link:green:system"

target/linux/ar71xx/base-files/lib/ar71xx.sh

@@ -910,6 +910,9 @@ ar71xx_board_detect() {
 	*"TL-WR842N/ND v2")
 		name="tl-wr842n-v2"
 		;;
+	*"TL-WR842N/ND v3")
+		name="tl-wr842n-v3"
+		;;
 	*TL-WR941ND)
 		name="tl-wr941nd"
 		;;

target/linux/ar71xx/base-files/lib/upgrade/platform.sh

@@ -386,6 +386,7 @@ platform_check_image() {
 	tl-wr841n-v8 | \
 	tl-wr841n-v9 | \
 	tl-wr842n-v2 | \
+	tl-wr842n-v3 | \
 	tl-wr941nd | \
 	tl-wr941nd-v5 | \
 	tl-wr941nd-v6 | \

target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt

@@ -1314,13 +1314,14 @@ config ATH79_MACH_TL_WR841N_V8
 	select ATH79_DEV_WMAC
 
 config ATH79_MACH_TL_WR841N_V9
-       bool "TP-LINK TL-WR841N/ND v9 support"
+	bool "TP-LINK TL-WR841N/ND v9/TL-WR842N/ND v3 support"
-       select SOC_QCA953X
+	select SOC_QCA953X
-       select ATH79_DEV_ETH
+	select ATH79_DEV_ETH
-       select ATH79_DEV_GPIO_BUTTONS
+	select ATH79_DEV_GPIO_BUTTONS
-       select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_LEDS_GPIO
-       select ATH79_DEV_M25P80
+	select ATH79_DEV_M25P80
-       select ATH79_DEV_WMAC
+	select ATH79_DEV_USB
+	select ATH79_DEV_WMAC
 
 config ATH79_MACH_TL_WR941ND
 	bool "TP-LINK TL-WR941ND support"

target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr841n-v9.c

@@ -1,7 +1,8 @@
 /*
- *  TP-LINK TL-WR841N/ND v9
+ *  TP-LINK TL-WR841N/ND v9/TL-WR842N/ND v3
  *
  *  Copyright (C) 2014 Matthias Schiffer <mschiffer@universe-factory.net>
+ *  Copyright (C) 2016 Cezary Jackiewicz <cezary@eko.one.pl>
  *
  *  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
@@ -19,6 +20,7 @@
 #include "dev-gpio-buttons.h"
 #include "dev-leds-gpio.h"
 #include "dev-m25p80.h"
+#include "dev-usb.h"
 #include "dev-wmac.h"
 #include "machtypes.h"
 
@@ -33,6 +35,20 @@
 #define TL_WR841NV9_GPIO_BTN_RESET	12
 #define TL_WR841NV9_GPIO_BTN_WIFI	17
 
+#define TL_WR842NV3_GPIO_LED_SYSTEM	2
+#define TL_WR842NV3_GPIO_LED_WLAN	3
+#define TL_WR842NV3_GPIO_LED_WAN_RED	4
+#define TL_WR842NV3_GPIO_LED_WAN_GREEN	11
+#define TL_WR842NV3_GPIO_LED_LAN1	12
+#define TL_WR842NV3_GPIO_LED_LAN2	13
+#define TL_WR842NV3_GPIO_LED_LAN3	14
+#define TL_WR842NV3_GPIO_LED_LAN4	15
+#define TL_WR842NV3_GPIO_LED_3G		16
+#define TL_WR842NV3_GPIO_LED_WPS	17
+
+#define TL_WR842NV3_GPIO_BTN_RESET	1
+#define TL_WR842NV3_GPIO_BTN_WIFI	0
+
 #define TL_WR841NV9_KEYS_POLL_INTERVAL	20	/* msecs */
 #define TL_WR841NV9_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR841NV9_KEYS_POLL_INTERVAL)
 
@@ -95,6 +111,68 @@ static struct gpio_keys_button tl_wr841n_v9_gpio_keys[] __initdata = {
 	}
 };
 
+static struct gpio_led tl_wr842n_v3_leds_gpio[] __initdata = {
+	{
+		.name		= "tp-link:green:lan1",
+		.gpio		= TL_WR842NV3_GPIO_LED_LAN1,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:lan2",
+		.gpio		= TL_WR842NV3_GPIO_LED_LAN2,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:lan3",
+		.gpio		= TL_WR842NV3_GPIO_LED_LAN3,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:lan4",
+		.gpio		= TL_WR842NV3_GPIO_LED_LAN4,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:wan",
+		.gpio		= TL_WR842NV3_GPIO_LED_WAN_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:red:wan",
+		.gpio		= TL_WR842NV3_GPIO_LED_WAN_RED,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:wlan",
+		.gpio		= TL_WR842NV3_GPIO_LED_WLAN,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:system",
+		.gpio		= TL_WR842NV3_GPIO_LED_SYSTEM,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:3g",
+		.gpio		= TL_WR842NV3_GPIO_LED_3G,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:wps",
+		.gpio		= TL_WR842NV3_GPIO_LED_WPS,
+		.active_low	= 1,
+	},
+};
+
+static struct gpio_keys_button tl_wr842n_v3_gpio_keys[] __initdata = {
+	{
+		.desc		= "Reset button",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = TL_WR841NV9_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= TL_WR842NV3_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}, {
+		.desc		= "WIFI button",
+		.type		= EV_KEY,
+		.code		= KEY_RFKILL,
+		.debounce_interval = TL_WR841NV9_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= TL_WR842NV3_GPIO_BTN_WIFI,
+		.active_low	= 1,
+	}
+};
+
 
 static void __init tl_ap143_setup(void)
 {
@@ -142,3 +220,20 @@ static void __init tl_wr841n_v9_setup(void)
 
 MIPS_MACHINE(ATH79_MACH_TL_WR841N_V9, "TL-WR841N-v9", "TP-LINK TL-WR841N/ND v9",
 	     tl_wr841n_v9_setup);
+
+static void __init tl_wr842n_v3_setup(void)
+{
+	tl_ap143_setup();
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr842n_v3_leds_gpio),
+				 tl_wr842n_v3_leds_gpio);
+
+	ath79_register_gpio_keys_polled(1, TL_WR841NV9_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(tl_wr842n_v3_gpio_keys),
+					tl_wr842n_v3_gpio_keys);
+
+	ath79_register_usb();
+}
+
+MIPS_MACHINE(ATH79_MACH_TL_WR842N_V3, "TL-WR842N-v3", "TP-LINK TL-WR842N/ND v3",
+	     tl_wr842n_v3_setup);

target/linux/ar71xx/files/arch/mips/ath79/machtypes.h

@@ -200,6 +200,7 @@ enum ath79_mach_type {
 	ATH79_MACH_TL_WR841N_V8,	/* TP-LINK TL-WR841N/ND v8 */
 	ATH79_MACH_TL_WR841N_V9,	/* TP-LINK TL-WR841N/ND v9 */
 	ATH79_MACH_TL_WR842N_V2,	/* TP-LINK TL-WR842N/ND v2 */
+	ATH79_MACH_TL_WR842N_V3,	/* TP-LINK TL-WR842N/ND v3 */
 	ATH79_MACH_TL_WR941ND,		/* TP-LINK TL-WR941ND */
 	ATH79_MACH_TL_WR941ND_V5,	/* TP-LINK TL-WR941ND v5 */
 	ATH79_MACH_TL_WR941ND_V6,	/* TP-LINK TL-WR941ND v6 */

target/linux/ar71xx/image/Makefile

@@ -895,6 +895,13 @@ define Device/tl-wr842n-v2
     TPLINK_HWID := 0x8420002
 endef
 
+define Device/tl-wr842n-v3
+    $(Device/tplink-16mlzma)
+    BOARDNAME := TL-WR842N-v3
+    DEVICE_PROFILE := TLWR842
+    TPLINK_HWID := 0x08420003
+endef
+
 define Device/tl-wr843nd-v1
     $(Device/tplink-4mlzma)
     BOARDNAME := TL-WR841N-v8
@@ -908,7 +915,7 @@ define Device/tl-wr847n-v8
     DEVICE_PROFILE := TLWR841
     TPLINK_HWID := 0x08470008
 endef
-TARGET_DEVICES += tl-wr841-v1.5 tl-wr841-v3 tl-wr841-v5 tl-wr841-v7 tl-wr841-v8 tl-wr841-v9 tl-wr841-v10 tl-wr841-v11 tl-wr842n-v1 tl-wr842n-v2 tl-wr843nd-v1 tl-wr847n-v8
+TARGET_DEVICES += tl-wr841-v1.5 tl-wr841-v3 tl-wr841-v5 tl-wr841-v7 tl-wr841-v8 tl-wr841-v9 tl-wr841-v10 tl-wr841-v11 tl-wr842n-v1 tl-wr842n-v2 tl-wr842n-v3 tl-wr843nd-v1 tl-wr847n-v8
 
 define Device/tl-wr941nd-v2
     $(Device/tplink-4m)