https://github.com/torvalds/linux
Tip revision: c6a389f123b9f68d605bb7e0f9b32ec1e3e14132 authored by Linus Torvalds on 29 August 2011, 04:16:01 UTC
Linux 3.1-rc4
Linux 3.1-rc4
Tip revision: c6a389f
mach-ap81.c
/*
* Atheros AP81 board support
*
* Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2009 Imre Kaloz <kaloz@openwrt.org>
*
* 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 "machtypes.h"
#include "dev-ar913x-wmac.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-spi.h"
#define AP81_GPIO_LED_STATUS 1
#define AP81_GPIO_LED_AOSS 3
#define AP81_GPIO_LED_WLAN 6
#define AP81_GPIO_LED_POWER 14
#define AP81_GPIO_BTN_SW4 12
#define AP81_GPIO_BTN_SW1 21
#define AP81_KEYS_POLL_INTERVAL 20 /* msecs */
#define AP81_KEYS_DEBOUNCE_INTERVAL (3 * AP81_KEYS_POLL_INTERVAL)
#define AP81_CAL_DATA_ADDR 0x1fff1000
static struct gpio_led ap81_leds_gpio[] __initdata = {
{
.name = "ap81:green:status",
.gpio = AP81_GPIO_LED_STATUS,
.active_low = 1,
}, {
.name = "ap81:amber:aoss",
.gpio = AP81_GPIO_LED_AOSS,
.active_low = 1,
}, {
.name = "ap81:green:wlan",
.gpio = AP81_GPIO_LED_WLAN,
.active_low = 1,
}, {
.name = "ap81:green:power",
.gpio = AP81_GPIO_LED_POWER,
.active_low = 1,
}
};
static struct gpio_keys_button ap81_gpio_keys[] __initdata = {
{
.desc = "sw1",
.type = EV_KEY,
.code = BTN_0,
.debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
.gpio = AP81_GPIO_BTN_SW1,
.active_low = 1,
} , {
.desc = "sw4",
.type = EV_KEY,
.code = BTN_1,
.debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
.gpio = AP81_GPIO_BTN_SW4,
.active_low = 1,
}
};
static struct spi_board_info ap81_spi_info[] = {
{
.bus_num = 0,
.chip_select = 0,
.max_speed_hz = 25000000,
.modalias = "m25p64",
}
};
static struct ath79_spi_platform_data ap81_spi_data = {
.bus_num = 0,
.num_chipselect = 1,
};
static void __init ap81_setup(void)
{
u8 *cal_data = (u8 *) KSEG1ADDR(AP81_CAL_DATA_ADDR);
ath79_register_leds_gpio(-1, ARRAY_SIZE(ap81_leds_gpio),
ap81_leds_gpio);
ath79_register_gpio_keys_polled(-1, AP81_KEYS_POLL_INTERVAL,
ARRAY_SIZE(ap81_gpio_keys),
ap81_gpio_keys);
ath79_register_spi(&ap81_spi_data, ap81_spi_info,
ARRAY_SIZE(ap81_spi_info));
ath79_register_ar913x_wmac(cal_data);
}
MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board",
ap81_setup);