--- /dev/null
+/*
+ * TP-LINK TL-WA901ND v4 board
+ *
+ * Copyright (C) 2015 Matthias Schiffer <mschiffer@universe-factory.net>
+ * Copyright (C) 2016 Tiziano Bacocco <tizbac2@gmail.com>
+ *
+ * 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
+ * by the Free Software Foundation.
+ */
+
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+
+#include "common.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
+
+
+#define TL_WA901ND_V4_GPIO_LED_QSS 3
+#define TL_WA901ND_V4_GPIO_LED_LAN 7
+#define TL_WA901ND_V4_GPIO_LED_WLAN 8
+#define TL_WA901ND_V4_GPIO_LED_SYSTEM 18
+
+#define TL_WA901ND_V4_GPIO_BTN_RESET 1
+
+#define TL_WA901ND_V4_KEYS_POLL_INTERVAL 20
+#define TL_WA901ND_V4_KEYS_DEBOUNCE_INTERVAL (3 * TL_WA901ND_V4_KEYS_POLL_INTERVAL)
+
+
+static struct gpio_led TL_WA901ND_V4_leds_gpio[] __initdata = {
+ {
+ .name = "tp-link:green:qss",
+ .gpio = TL_WA901ND_V4_GPIO_LED_QSS,
+ .active_low = 1,
+ },
+ {
+ .name = "tp-link:green:lan",
+ .gpio = TL_WA901ND_V4_GPIO_LED_LAN,
+ .active_low = 1,
+ },
+ {
+ .name = "tp-link:green:wlan",
+ .gpio = TL_WA901ND_V4_GPIO_LED_WLAN,
+ .active_low = 1,
+ },
+ {
+ .name = "tp-link:green:system",
+ .gpio = TL_WA901ND_V4_GPIO_LED_SYSTEM,
+ .active_low = 1,
+ },
+};
+
+static struct gpio_keys_button TL_WA901ND_V4_gpio_keys[] __initdata = {
+ {
+ .desc = "Reset button",
+ .type = EV_KEY,
+ .code = KEY_RESTART,
+ .debounce_interval = TL_WA901ND_V4_KEYS_DEBOUNCE_INTERVAL,
+ .gpio = TL_WA901ND_V4_GPIO_BTN_RESET,
+ .active_low = 1,
+ }
+};
+
+
+static const char *tl_wa901nd_v4_part_probes[] = {
+ "tp-link",
+ NULL,
+};
+
+static struct flash_platform_data tl_wa901nd_v4_flash_data = {
+ .part_probes = tl_wa901nd_v4_part_probes,
+};
+
+
+static void __init TL_WA901ND_V4_setup(void)
+{
+ u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
+ u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
+
+ ath79_register_m25p80(&tl_wa901nd_v4_flash_data);
+
+ ath79_register_leds_gpio(-1, ARRAY_SIZE(TL_WA901ND_V4_leds_gpio),
+ TL_WA901ND_V4_leds_gpio);
+
+ ath79_register_gpio_keys_polled(-1, TL_WA901ND_V4_KEYS_POLL_INTERVAL,
+ ARRAY_SIZE(TL_WA901ND_V4_gpio_keys),
+ TL_WA901ND_V4_gpio_keys);
+
+ ath79_register_mdio(0, 0x0);
+
+ ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
+ ath79_init_mac(ath79_eth1_data.mac_addr, mac, -1);
+
+ ath79_switch_data.phy4_mii_en = 1;
+
+ ath79_register_eth(0);
+ ath79_register_eth(1);
+
+ ath79_register_wmac(ee, mac);
+
+}
+
+MIPS_MACHINE(ATH79_MACH_TL_WA901ND_V4, "TL-WA901ND-v4", "TP-LINK TL-WA901ND v4",
+ TL_WA901ND_V4_setup);
--- /dev/null
+--- a/arch/mips/ath79/machtypes.h 2016-04-12 21:08:09.309541276 +0200
++++ b/arch/mips/ath79/machtypes.h 2016-04-12 21:08:43.200013377 +0200
+@@ -152,6 +152,7 @@
+ ATH79_MACH_TL_WA901ND, /* TP-LINK TL-WA901ND */
+ ATH79_MACH_TL_WA901ND_V2, /* TP-LINK TL-WA901ND v2 */
+ ATH79_MACH_TL_WA901ND_V3, /* TP-LINK TL-WA901ND v3 */
++ ATH79_MACH_TL_WA901ND_V4, /* TP-LINK TL-WA901ND v4 */
+ ATH79_MACH_TL_WDR3500, /* TP-LINK TL-WDR3500 */
+ ATH79_MACH_TL_WDR4300, /* TP-LINK TL-WDR4300 */
+ ATH79_MACH_TL_WDR4900_V2, /* TP-LINK TL-WDR4900 v2 */
+--- a/arch/mips/ath79/Kconfig 2016-04-12 21:00:07.267269819 +0200
++++ b/arch/mips/ath79/Kconfig 2016-04-12 21:00:08.803199911 +0200
+@@ -1023,6 +1023,15 @@
+ select ATH79_DEV_M25P80
+ select ATH79_DEV_WMAC
+
++config ATH79_MACH_TL_WA901ND_V4
++ bool "TP-LINK TL-WA901ND v4 support"
++ select SOC_QCA956X
++ select ATH79_DEV_ETH
++ select ATH79_DEV_GPIO_BUTTONS
++ select ATH79_DEV_LEDS_GPIO
++ select ATH79_DEV_M25P80
++ select ATH79_DEV_WMAC
++
+ config ATH79_MACH_TL_WDR3500
+ bool "TP-LINK TL-WDR3500 board support"
+ select SOC_AR934X
+--- a/arch/mips/ath79/Makefile 2016-04-12 21:03:21.974455904 +0200
++++ b/arch/mips/ath79/Makefile 2016-04-12 21:02:56.115621524 +0200
+@@ -128,6 +128,7 @@
+ obj-$(CONFIG_ATH79_MACH_TL_WA830RE_V2) += mach-tl-wa830re-v2.o
+ obj-$(CONFIG_ATH79_MACH_TL_WA901ND) += mach-tl-wa901nd.o
+ obj-$(CONFIG_ATH79_MACH_TL_WA901ND_V2) += mach-tl-wa901nd-v2.o
++obj-$(CONFIG_ATH79_MACH_TL_WA901ND_V4) += mach-tl-wa901nd-v4.o
+ obj-$(CONFIG_ATH79_MACH_TL_WDR3500) += mach-tl-wdr3500.o
+ obj-$(CONFIG_ATH79_MACH_TL_WDR4300) += mach-tl-wdr4300.o
+ obj-$(CONFIG_ATH79_MACH_TL_WR741ND) += mach-tl-wr741nd.o