This patch adds support for the TP-Link device TL-MR3020 which is very similiar to the TL-WR703N. The TL-MR3020 uses 5 LEDs, 1 push button and a switch with 3 positions. Only four LEDs can be controlled via GPIO. The power LED is connected to the power supply. The WPS push button has been mapped to KEY_WPS_BUTTON. The two GPIO signals of the sliding switch have been mapped to BTN_0 and BTN_1. I have also setup a wiki page with details here: http://wiki.openwrt.org/toh/tp-link/tl-mr3020 USB is working and has been tested with USB mass storage and USB UMTS stick. Wifi also seems to work. Ethernet is working too. Signed-off-by: Christian Cier-Zniewski <c.cier@gmx.de> SVN-Revision: 29651master
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/*
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* TP-LINK TL-MR3020 board support |
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* |
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* Copyright (C) 2011 dongyuqi <729650915@qq.com> |
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* Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org> |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 as published |
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* by the Free Software Foundation. |
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*/ |
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#include <linux/gpio.h> |
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#include <asm/mach-ar71xx/ar71xx.h> |
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#include "machtype.h" |
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#include "devices.h" |
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#include "dev-ar9xxx-wmac.h" |
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#include "dev-gpio-buttons.h" |
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#include "dev-leds-gpio.h" |
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#include "dev-m25p80.h" |
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#include "dev-usb.h" |
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#define TL_MR3020_GPIO_LED_3G 27 |
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#define TL_MR3020_GPIO_LED_WLAN 0 |
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#define TL_MR3020_GPIO_LED_LAN 17 |
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#define TL_MR3020_GPIO_LED_WPS 26 |
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#define TL_MR3020_GPIO_BTN_WPS 11 |
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#define TL_MR3020_GPIO_BTN_SW1 18 |
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#define TL_MR3020_GPIO_BTN_SW2 20 |
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#define TL_MR3020_GPIO_USB_POWER 8 |
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#define TL_MR3020_KEYS_POLL_INTERVAL 20 /* msecs */ |
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#define TL_MR3020_KEYS_DEBOUNCE_INTERVAL (3 * TL_MR3020_KEYS_POLL_INTERVAL) |
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static const char *tl_mr3020_part_probes[] = { |
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"tp-link", |
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NULL, |
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}; |
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static struct flash_platform_data tl_mr3020_flash_data = { |
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.part_probes = tl_mr3020_part_probes, |
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}; |
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static struct gpio_led tl_mr3020_leds_gpio[] __initdata = { |
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{ |
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.name = "tp-link:green:3g", |
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.gpio = TL_MR3020_GPIO_LED_3G, |
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.active_low = 1, |
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}, |
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{ |
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.name = "tp-link:green:wlan", |
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.gpio = TL_MR3020_GPIO_LED_WLAN, |
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.active_low = 0, |
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}, |
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{ |
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.name = "tp-link:green:lan", |
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.gpio = TL_MR3020_GPIO_LED_LAN, |
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.active_low = 1, |
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}, |
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{ |
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.name = "tp-link:green:wps", |
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.gpio = TL_MR3020_GPIO_LED_WPS, |
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.active_low = 1, |
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}, |
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}; |
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static struct gpio_keys_button tl_mr3020_gpio_keys[] __initdata = { |
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{ |
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.desc = "wps", |
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.type = EV_KEY, |
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.code = KEY_WPS_BUTTON, |
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.debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL, |
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.gpio = TL_MR3020_GPIO_BTN_WPS, |
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.active_low = 1, |
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}, |
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{ |
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.desc = "sw1", |
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.type = EV_KEY, |
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.code = BTN_0, |
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.debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL, |
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.gpio = TL_MR3020_GPIO_BTN_SW1, |
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.active_low = 1, |
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}, |
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{ |
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.desc = "sw2", |
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.type = EV_KEY, |
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.code = BTN_1, |
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.debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL, |
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.gpio = TL_MR3020_GPIO_BTN_SW2, |
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.active_low = 1, |
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} |
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}; |
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static void __init tl_mr3020_setup(void) |
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{ |
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u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00); |
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u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000); |
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ar71xx_add_device_m25p80(&tl_mr3020_flash_data); |
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ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_mr3020_leds_gpio), |
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tl_mr3020_leds_gpio); |
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ar71xx_register_gpio_keys_polled(-1, TL_MR3020_KEYS_POLL_INTERVAL, |
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ARRAY_SIZE(tl_mr3020_gpio_keys), |
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tl_mr3020_gpio_keys); |
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gpio_request(TL_MR3020_GPIO_USB_POWER, "USB power"); |
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gpio_direction_output(TL_MR3020_GPIO_USB_POWER, 1); |
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ar71xx_add_device_usb(); |
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ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0); |
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ar71xx_add_device_mdio(0, 0x0); |
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ar71xx_add_device_eth(0); |
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ar9xxx_add_device_wmac(ee, mac); |
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} |
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MIPS_MACHINE(AR71XX_MACH_TL_MR3020, "TL-MR3020", "TP-LINK TL-MR3020 v1", |
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tl_mr3020_setup); |
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