ar71xx: add support for TP-Link WR802N v1

This patch adds support solely for version 1 of the TP-Link WR802N.
It is based on Rick Pannen's patch posted on the OpenWrt devel list.

Signed-off-by: Julius Schulz-Zander <julius@inet.tu-berlin.de>

4 files changed, 108 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 85e1cde995..a81620f474 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
@@ -1390,6 +1390,14 @@ config ATH79_MACH_TL_WR741ND_V4
 	select ATH79_DEV_USB
 	select ATH79_DEV_WMAC
 
+config ATH79_MACH_TL_WR802N_V1
+	bool "TP-LINK TL-WR802N v1 support"
+	select SOC_QCA953X
+	select ATH79_DEV_ETH
+	select ATH79_DEV_GPIO_BUTTONS
+	select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_M25P80
+
 config ATH79_MACH_TL_WR810N
 	bool "TP-LINK TL-WR810N support"
 	select SOC_QCA953X
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Makefile b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
index c3a0f68493..671c30bb3c 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
@@ -176,6 +176,7 @@ obj-$(CONFIG_ATH79_MACH_TL_WR703N)		+= mach-tl-wr703n.o
 obj-$(CONFIG_ATH79_MACH_TL_WR720N_V3)		+= mach-tl-wr720n-v3.o
 obj-$(CONFIG_ATH79_MACH_TL_WR741ND)		+= mach-tl-wr741nd.o
 obj-$(CONFIG_ATH79_MACH_TL_WR741ND_V4)		+= mach-tl-wr741nd-v4.o
+obj-$(CONFIG_ATH79_MACH_TL_WR802N_V1)		+= mach-tl-wr802n.o
 obj-$(CONFIG_ATH79_MACH_TL_WR810N)		+= mach-tl-wr810n.o
 obj-$(CONFIG_ATH79_MACH_TL_WR841N_V1)		+= mach-tl-wr841n.o
 obj-$(CONFIG_ATH79_MACH_TL_WR841N_V8)		+= mach-tl-wr841n-v8.o
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr802n.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr802n.c
new file mode 100644
index 0000000000..21c628e0a3
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr802n.c
@@ -0,0 +1,98 @@
+/*
+ *  TP-LINK TL-WR802N v1
+ *
+ *  Copyright (C) 2015 Rick Pannen <pannen@gmail.com <mailto:pannen@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_WR802N_V1_GPIO_LED_SYSTEM	13
+#define TL_WR802N_V1_GPIO_BTN_RESET	11
+
+#define TL_WR802N_V1_KEYS_POLL_INTERVAL	20	/* msecs */
+#define TL_WR802N_V1_KEYS_DEBOUNCE_INTERVAL	(3 * TL_WR802N_V1_KEYS_POLL_INTERVAL)
+
+static const char *tl_wr802n_v1_part_probes[] = {
+	"tp-link",
+	NULL,
+};
+
+static struct flash_platform_data tl_wr802n_v1_flash_data = {
+	.part_probes	= tl_wr802n_v1_part_probes,
+};
+
+static struct gpio_led tl_wr802n_v1_leds_gpio[] __initdata = {
+	{
+		.name		= "tp-link:blue:system",
+		.gpio		= TL_WR802N_V1_GPIO_LED_SYSTEM,
+		.active_low	= 1,
+	},
+};
+
+static struct gpio_keys_button tl_wr802n_v1_gpio_keys[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = TL_WR802N_V1_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= TL_WR802N_V1_GPIO_BTN_RESET,
+		.active_low	= 0,
+	}
+};
+
+static void __init tl_ap143_setup(void)
+{
+		u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
+		u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
+		u8 tmpmac[ETH_ALEN];
+
+		ath79_register_m25p80(&tl_wr802n_v1_flash_data);
+
+		ath79_setup_ar933x_phy4_switch(false, false);
+
+		ath79_register_mdio(0, 0x0);
+
+		/* LAN */
+		ath79_switch_data.phy4_mii_en = 1;
+		ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
+		ath79_eth0_data.duplex = DUPLEX_FULL;
+		ath79_eth0_data.speed = SPEED_100;
+		ath79_eth0_data.phy_mask = BIT(4);
+		ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
+		ath79_register_eth(0);
+
+		ath79_init_mac(tmpmac, mac, 0);
+		ath79_register_wmac(ee, tmpmac);
+};
+
+static void __init tl_wr802n_v1_setup(void)
+{
+	tl_ap143_setup();
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr802n_v1_leds_gpio),
+		tl_wr802n_v1_leds_gpio);
+
+	ath79_register_gpio_keys_polled(1, TL_WR802N_V1_KEYS_POLL_INTERVAL,
+		ARRAY_SIZE(tl_wr802n_v1_gpio_keys),
+		tl_wr802n_v1_gpio_keys);
+}
+
+MIPS_MACHINE(ATH79_MACH_TL_WR802N_V1, "TL-WR802N-v1", "TP-LINK TL-WR802N v1",
+		tl_wr802n_v1_setup);
+
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
index 04fb82902a..1a67f26190 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
+++ b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
@@ -206,6 +206,7 @@ enum ath79_mach_type {
 	ATH79_MACH_TL_WR720N_V3,		/* TP-LINK TL-WR720N v3/v4 */
 	ATH79_MACH_TL_WR741ND,			/* TP-LINK TL-WR741ND */
 	ATH79_MACH_TL_WR741ND_V4,		/* TP-LINK TL-WR741ND v4 */
+	ATH79_MACH_TL_WR802N_V1,		/* TP-LINK TL-WR802N v1 */
 	ATH79_MACH_TL_WR810N,			/* TP-LINK TL-WR810N */
 	ATH79_MACH_TL_WR841N_V1,		/* TP-LINK TL-WR841N v1 */
 	ATH79_MACH_TL_WR841N_V11,		/* TP-LINK TL-WR841N/ND v11 */