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

1 files changed, 112 insertions, 0 deletions

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);