ar71xx: Add TP-Link TL-WA901ND v4 support to Chaos Calmer 15.05.1

This patch backports support for the TP-Link TL-WA901ND v4 to Chaos Calmer 15.05.1,
which was added into trunk recently [1].

Signed-off by Stijn Segers <francesco.borromini@inventati.org>

[1]: http://patchwork.ozlabs.org/patch/606780/

git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@49226 3c298f89-4303-0410-b956-a3cf2f4a3e73

9 files changed, 171 insertions, 1 deletions

diff --git a/target/linux/ar71xx/base-files/etc/diag.sh b/target/linux/ar71xx/base-files/etc/diag.sh
index 3e80c32181..6f2bd1c290 100644
--- a/target/linux/ar71xx/base-files/etc/diag.sh
+++ b/target/linux/ar71xx/base-files/etc/diag.sh
@@ -255,6 +255,7 @@ get_status_led() {
 	tl-wa901nd | \
 	tl-wa901nd-v2 | \
 	tl-wa901nd-v3 | \
+	tl-wa901nd-v4 | \
 	tl-wdr3500 | \
 	tl-wr1041n-v2 | \
 	tl-wr1043nd | \
diff --git a/target/linux/ar71xx/base-files/etc/uci-defaults/01_leds b/target/linux/ar71xx/base-files/etc/uci-defaults/01_leds
index 11b3fa09d0..142950c252 100644
--- a/target/linux/ar71xx/base-files/etc/uci-defaults/01_leds
+++ b/target/linux/ar71xx/base-files/etc/uci-defaults/01_leds
@@ -407,6 +407,11 @@ tl-wa901nd-v2)
 	ucidef_set_led_wlan "wlan" "WLAN" "tp-link:green:wlan" "phy0tpt"
 	;;
 
+tl-wa901nd-v4)
+	ucidef_set_led_netdev "lan" "LAN" "tp-link:green:lan" "eth0"
+	ucidef_set_led_wlan "wlan" "WLAN" "tp-link:green:wlan" "phy0tpt"
+	;;
+
 tl-wdr3500)
 	ucidef_set_led_usbdev "usb" "USB" "tp-link:green:usb" "1-1"
 	ucidef_set_led_wlan "wlan2g" "WLAN2G" "tp-link:green:wlan2g" "phy0tpt"
diff --git a/target/linux/ar71xx/base-files/etc/uci-defaults/02_network b/target/linux/ar71xx/base-files/etc/uci-defaults/02_network
index c0becfecb9..29d60da02e 100755
--- a/target/linux/ar71xx/base-files/etc/uci-defaults/02_network
+++ b/target/linux/ar71xx/base-files/etc/uci-defaults/02_network
@@ -362,6 +362,7 @@ tl-wa801nd-v2 |\
 tl-wa901nd |\
 tl-wa901nd-v2 |\
 tl-wa901nd-v3 |\
+tl-wa901nd-v4 |\
 tl-wr703n |\
 tube2h |\
 wndap360 |\
diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh
index 5768286b68..6dc975dd00 100755
--- a/target/linux/ar71xx/base-files/lib/ar71xx.sh
+++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh
@@ -767,6 +767,9 @@ ar71xx_board_detect() {
 	*"TL-WA901ND v3")
 		name="tl-wa901nd-v3"
 		;;
+	*"TL-WA901ND v4")
+		name="tl-wa901nd-v4"
+		;;
 	*"TL-WDR3500")
 		name="tl-wdr3500"
 		;;
diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
index 2fc1d1040a..beb29b9d05 100755
--- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
@@ -338,6 +338,7 @@ platform_check_image() {
 	tl-wa901nd | \
 	tl-wa901nd-v2 | \
 	tl-wa901nd-v3 | \
+	tl-wa901nd-v4 | \
 	tl-wdr3500 | \
 	tl-wdr4300 | \
 	tl-wdr4900-v2 | \
diff --git a/target/linux/ar71xx/config-3.18 b/target/linux/ar71xx/config-3.18
index 96a5ae232c..e2ff8267bf 100644
--- a/target/linux/ar71xx/config-3.18
+++ b/target/linux/ar71xx/config-3.18
@@ -118,6 +118,7 @@ CONFIG_ATH79_MACH_TL_WA7210N_V2=y
 CONFIG_ATH79_MACH_TL_WA830RE_V2=y
 CONFIG_ATH79_MACH_TL_WA901ND=y
 CONFIG_ATH79_MACH_TL_WA901ND_V2=y
+CONFIG_ATH79_MACH_TL_WA901ND_V4=y
 CONFIG_ATH79_MACH_TL_WAX50RE=y
 CONFIG_ATH79_MACH_TL_WDR3500=y
 CONFIG_ATH79_MACH_TL_WDR4300=y
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wa901nd-v4.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wa901nd-v4.c
new file mode 100644
index 0000000000..9c651bb1d2
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wa901nd-v4.c
@@ -0,0 +1,112 @@
+/*
+ *  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);
diff --git a/target/linux/ar71xx/image/Makefile b/target/linux/ar71xx/image/Makefile
index cd77373ab3..6fb375fa21 100644
--- a/target/linux/ar71xx/image/Makefile
+++ b/target/linux/ar71xx/image/Makefile
@@ -688,7 +688,15 @@ define Device/tl-wa901nd-v3
     DEVICE_PROFILE := TLWA901
     TPLINK_HWID := 0x09010003
 endef
-TARGET_DEVICES += tl-wa901nd-v3
+
+define Device/tl-wa901nd-v4
+    $(Device/tplink-4mlzma)
+    BOARDNAME := TL-WA901ND-v4
+    DEVICE_PROFILE := TLWA901
+    TPLINK_HWID := 0x09010004
+endef
+
+TARGET_DEVICES += tl-wa901nd-v3 tl-wa901nd-v4
 
 define Device/tl-wa7210n-v2
     $(Device/tplink-4mlzma)
diff --git a/target/linux/ar71xx/patches-3.18/907-MIPS-ath79-add-tl-wa901nd-v4-support.patch b/target/linux/ar71xx/patches-3.18/907-MIPS-ath79-add-tl-wa901nd-v4-support.patch
new file mode 100644
index 0000000000..ebd9e52e19
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.18/907-MIPS-ath79-add-tl-wa901nd-v4-support.patch
@@ -0,0 +1,38 @@
+--- a/arch/mips/ath79/machtypes.h	2016-04-12 21:08:09.309541276 +0200
++++ b/arch/mips/ath79/machtypes.h	2016-04-12 21:08:43.200013377 +0200
+@@ -152,6 +152,7 @@
+	ATH79_MACH_TL_WA901ND,		/* TP-LINK TL-WA901ND */
+	ATH79_MACH_TL_WA901ND_V2,	/* TP-LINK TL-WA901ND v2 */
+	ATH79_MACH_TL_WA901ND_V3,	/* TP-LINK TL-WA901ND v3 */
++	ATH79_MACH_TL_WA901ND_V4,	/* TP-LINK TL-WA901ND v4 */
+	ATH79_MACH_TL_WDR3500,		/* TP-LINK TL-WDR3500 */
+	ATH79_MACH_TL_WDR4300,		/* TP-LINK TL-WDR4300 */
+	ATH79_MACH_TL_WDR4900_V2,	/* TP-LINK TL-WDR4900 v2 */
+--- a/arch/mips/ath79/Kconfig	2016-04-12 21:00:07.267269819 +0200
++++ b/arch/mips/ath79/Kconfig	2016-04-12 21:00:08.803199911 +0200
+@@ -1023,6 +1023,15 @@
+	select ATH79_DEV_M25P80
+	select ATH79_DEV_WMAC
+
++config ATH79_MACH_TL_WA901ND_V4
++	bool "TP-LINK TL-WA901ND v4 support"
++	select SOC_QCA956X
++	select ATH79_DEV_ETH
++	select ATH79_DEV_GPIO_BUTTONS
++	select ATH79_DEV_LEDS_GPIO
++	select ATH79_DEV_M25P80
++	select ATH79_DEV_WMAC
++
+ config ATH79_MACH_TL_WDR3500
+	bool "TP-LINK TL-WDR3500 board support"
+	select SOC_AR934X
+--- a/arch/mips/ath79/Makefile	2016-04-12 21:03:21.974455904 +0200
++++ b/arch/mips/ath79/Makefile	2016-04-12 21:02:56.115621524 +0200
+@@ -128,6 +128,7 @@
+ obj-$(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