android_kernel_samsung_hero.../arch/arm/mach-at91/board-flexibity.c
2016-08-17 16:41:52 +08:00

171 lines
4 KiB
C

/*
* linux/arch/arm/mach-at91/board-flexibity.c
*
* Copyright (C) 2010-2011 Flexibity
* Copyright (C) 2005 SAN People
* Copyright (C) 2006 Atmel
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include "at91_aic.h"
#include "board.h"
#include "generic.h"
#include "gpio.h"
static void __init flexibity_init_early(void)
{
/* Initialize processor: 18.432 MHz crystal */
at91_initialize(18432000);
}
/* USB Host port */
static struct at91_usbh_data __initdata flexibity_usbh_data = {
.ports = 2,
.vbus_pin = {-EINVAL, -EINVAL},
.overcurrent_pin= {-EINVAL, -EINVAL},
};
/* USB Device port */
static struct at91_udc_data __initdata flexibity_udc_data = {
.vbus_pin = AT91_PIN_PC5,
.pullup_pin = -EINVAL, /* pull-up driven by UDC */
};
/* I2C devices */
static struct i2c_board_info __initdata flexibity_i2c_devices[] = {
{
I2C_BOARD_INFO("ds1307", 0x68),
},
};
/* SPI devices */
static struct spi_board_info flexibity_spi_devices[] = {
{ /* DataFlash chip */
.modalias = "mtd_dataflash",
.chip_select = 1,
.max_speed_hz = 15 * 1000 * 1000,
.bus_num = 0,
},
};
/* MCI (SD/MMC) */
static struct mci_platform_data __initdata flexibity_mci0_data = {
.slot[0] = {
.bus_width = 4,
.detect_pin = AT91_PIN_PC9,
.wp_pin = AT91_PIN_PC4,
},
};
/* LEDs */
static struct gpio_led flexibity_leds[] = {
{
.name = "usb1:green",
.gpio = AT91_PIN_PA12,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "usb1:red",
.gpio = AT91_PIN_PA13,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "usb2:green",
.gpio = AT91_PIN_PB26,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "usb2:red",
.gpio = AT91_PIN_PB27,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "usb3:green",
.gpio = AT91_PIN_PC8,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "usb3:red",
.gpio = AT91_PIN_PC6,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "usb4:green",
.gpio = AT91_PIN_PB4,
.active_low = 1,
.default_trigger = "default-on",
},
{
.name = "usb4:red",
.gpio = AT91_PIN_PB5,
.active_low = 1,
.default_trigger = "default-on",
}
};
static void __init flexibity_board_init(void)
{
at91_register_devices();
/* Serial */
/* DBGU on ttyS0. (Rx & Tx only) */
at91_register_uart(0, 0, 0);
at91_add_device_serial();
/* USB Host */
at91_add_device_usbh(&flexibity_usbh_data);
/* USB Device */
at91_add_device_udc(&flexibity_udc_data);
/* I2C */
at91_add_device_i2c(flexibity_i2c_devices,
ARRAY_SIZE(flexibity_i2c_devices));
/* SPI */
at91_add_device_spi(flexibity_spi_devices,
ARRAY_SIZE(flexibity_spi_devices));
/* MMC */
at91_add_device_mci(0, &flexibity_mci0_data);
/* LEDs */
at91_gpio_leds(flexibity_leds, ARRAY_SIZE(flexibity_leds));
}
MACHINE_START(FLEXIBITY, "Flexibity Connect")
/* Maintainer: Maxim Osipov */
.init_time = at91_init_time,
.map_io = at91_map_io,
.handle_irq = at91_aic_handle_irq,
.init_early = flexibity_init_early,
.init_irq = at91_init_irq_default,
.init_machine = flexibity_board_init,
MACHINE_END