ar71xx: add support for TP-LINK TL-WR940N v4

Signed-off-by: David Lutz <kpanic@hirnduenger.de>

4 files changed, 160 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
index 55846c775e..824f47fc73 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
@@ -1492,6 +1492,15 @@ config ATH79_MACH_TL_WR941ND_V6
 	select ATH79_DEV_M25P80
 	select ATH79_DEV_WMAC
 
+config ATH79_MACH_TL_WR940N_V4
+	bool "TP-LINK TL-WR940N 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_WR1041N_V2
 	bool "TP-LINK TL-WR1041N v2 support"
 	select SOC_AR934X
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Makefile b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
index 63623ca3ce..6d558ec8a8 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
@@ -191,6 +191,7 @@ obj-$(CONFIG_ATH79_MACH_TL_WR841N_V8)		+= mach-tl-wr841n-v8.o
 obj-$(CONFIG_ATH79_MACH_TL_WR841N_V9)		+= mach-tl-wr841n-v9.o
 obj-$(CONFIG_ATH79_MACH_TL_WR941ND)		+= mach-tl-wr941nd.o
 obj-$(CONFIG_ATH79_MACH_TL_WR941ND_V6)		+= mach-tl-wr941nd-v6.o
+obj-$(CONFIG_ATH79_MACH_TL_WR940N_V4)		+= mach-tl-wr940n-v4.o
 obj-$(CONFIG_ATH79_MACH_TUBE2H)			+= mach-tube2h.o
 obj-$(CONFIG_ATH79_MACH_UBNT)			+= mach-ubnt.o
 obj-$(CONFIG_ATH79_MACH_UBNT_UNIFIAC)		+= mach-ubnt-unifiac.o
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
new file mode 100644
index 0000000000..d693b947c8
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr940n-v4.c
@@ -0,0 +1,149 @@
+/*
+ *  TP-LINK TL-WR940N v4 board support
+ *
+ *  Copyright (C) 2016 David Lutz <kpanic@ff3l.net>
+ *
+ *  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_WR940N_V4_GPIO_LED_QSS		3
+#define TL_WR940N_V4_GPIO_LED_WAN		14
+#define TL_WR940N_V4_GPIO_LED_WAN_RED		15
+#define TL_WR940N_V4_GPIO_LED_LAN4		4
+#define TL_WR940N_V4_GPIO_LED_LAN3		18
+#define TL_WR940N_V4_GPIO_LED_LAN2		6
+#define TL_WR940N_V4_GPIO_LED_LAN1		8
+#define TL_WR940N_V4_GPIO_LED_WLAN		7
+#define TL_WR940N_V4_GPIO_LED_SYSTEM		5
+
+#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)
+
+
+static struct gpio_led tl_wr940n_v4_leds_gpio[] __initdata = {
+	{
+		.name		= "tp-link:blue:qss",
+		.gpio		= TL_WR940N_V4_GPIO_LED_QSS,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:blue:wan",
+		.gpio		= TL_WR940N_V4_GPIO_LED_WAN,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:red:wan",
+		.gpio		= TL_WR940N_V4_GPIO_LED_WAN_RED,
+		.active_low	= 0,
+	},
+	{
+		.name		= "tp-link:blue:lan1",
+		.gpio		= TL_WR940N_V4_GPIO_LED_LAN1,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:blue:lan2",
+		.gpio		= TL_WR940N_V4_GPIO_LED_LAN2,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:blue:lan3",
+		.gpio		= TL_WR940N_V4_GPIO_LED_LAN3,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:blue:lan4",
+		.gpio		= TL_WR940N_V4_GPIO_LED_LAN4,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:blue:wlan",
+		.gpio		= TL_WR940N_V4_GPIO_LED_WLAN,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:blue:system",
+		.gpio		= TL_WR940N_V4_GPIO_LED_SYSTEM,
+		.active_low	= 1,
+	},
+};
+
+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,
+		.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,
+		.gpio		= TL_WR940N_V4_GPIO_BTN_RFKILL,
+		.active_low	= 1,
+	}
+};
+
+
+static const char *tl_wr940n_v4_part_probes[] = {
+	"tp-link",
+	NULL,
+};
+
+static struct flash_platform_data tl_wr940n_v4_flash_data = {
+	.part_probes	= tl_wr940n_v4_part_probes,
+};
+
+
+static void __init tl_wr940n_v4_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_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_WR940N_V4, "TL-WR940N-v4", "TP-LINK TL-WR940N v4",
+	     tl_wr940n_v4_setup);
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
index 9d829f9002..ea218d77c5 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
+++ b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
@@ -226,6 +226,7 @@ enum ath79_mach_type {
 	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 */
+	ATH79_MACH_TL_WR940N_V4,		/* TP-LINK TL-WR940N v4 */
 	ATH79_MACH_TUBE2H,			/* Alfa Network Tube2H */
 	ATH79_MACH_UBNT_AIRGW,			/* Ubiquiti AirGateway */
 	ATH79_MACH_UBNT_AIRGWP,			/* Ubiquiti AirGateway Pro */