c11ac55b29
This patch fixes the GPIO polarity for the button and the sliding switch. The buttons are not active low. "Pressed" and "Released" events are wrong without the patch. Signed-off-by: Christian Cier-Zniewski <c.cier@gmx.de> SVN-Revision: 29904
122 lines
2.9 KiB
C
122 lines
2.9 KiB
C
/*
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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 = 0,
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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 = 0,
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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 = 0,
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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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