/*
* arch/arm/mach-at91/include/mach/board.h
*
* Copyright (C) 2005 HP Labs
*
* 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
*/
/*
* These are data structures found in platform_device.dev.platform_data,
* and describing board-specific data needed by drivers. For example,
* which pin is used for a given GPIO role.
*
* In 2.6, drivers should strongly avoid board-specific knowledge so
* that supporting new boards normally won't require driver patches.
* Most board-specific knowledge should be in arch/.../board-*.c files.
*/
#ifndef __ASM_ARCH_BOARD_H
#define __ASM_ARCH_BOARD_H
#include <linux/mtd/partitions.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/spi/spi.h>
#include <linux/usb/atmel_usba_udc.h>
#include <linux/atmel-mci.h>
#include <sound/atmel-ac97c.h>
#include <linux/serial.h>
#include <linux/platform_data/macb.h>
/* USB Device */
struct at91_udc_data {
u8 vbus_pin; /* high == host powering us */
u8 vbus_active_low; /* vbus polarity */
u8 vbus_polled; /* Use polling, not interrupt */
u8 pullup_pin; /* active == D+ pulled up */
u8 pullup_active_low; /* true == pullup_pin is active low */
};
extern void __init at91_add_device_udc(struct at91_udc_data *data);
/* USB High Speed Device */
extern void __init at91_add_device_usba(struct usba_platform_data *data);
/* Compact Flash */
struct at91_cf_data {
u8 irq_pin; /* I/O IRQ */
u8 det_pin; /* Card detect */
u8 vcc_pin; /* power switching */
u8 rst_pin; /* card reset */
u8 chipselect; /* EBI Chip Select number */
u8 flags;
#define AT91_CF_TRUE_IDE 0x01
#define AT91_IDE_SWAP_A0_A2 0x02
};
extern void __init at91_add_device_cf(struct at91_cf_data *data);
/* MMC / SD */
/* at91_mci platform config */
struct at91_mmc_data {
u8 det_pin; /* card detect IRQ */
unsigned slot_b:1; /* uses Slot B */
unsigned wire4:1; /* (SD) supports DAT0..DAT3 */
u8 wp_pin; /* (SD) writeprotect detect */
u8 vcc_pin; /* power switching (high == on) */
};
extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data);
/* atmel-mci platform config */
extern void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data);
extern void __init at91_add_device_eth(struct macb_platform_data *data);
/* USB Host */
struct at91_usbh_data {
u8 ports; /* number of ports on root hub */
u8 vbus_pin[2]; /* port power-control pin */
u8 vbus_pin_inverted;
u8 overcurrent_supported;
u8 overcurrent_pin[2];
u8 overcurrent_status[2];
u8 overcurrent_changed[2];
};
extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data);
extern void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data);
/* NAND / SmartMedia */
struct atmel_nand_data {
u8 enable_pin; /* chip enable */
u8 det_pin; /* card detect */
u8 rdy_pin; /* ready/busy */
u8 rdy_pin_active_low; /* rdy_pin value is inverted */
u8 ale; /* address line number connected to ALE */
u8 cle; /* address line number connected to CLE */
u8 bus_width_16; /* buswidth is 16 bit */
struct mtd_partition *parts;
unsigned int num_parts;
};
extern void __init at91_add_device_nand(struct atmel_nand_data *data);
/* I2C*/
#if defined(CONFIG_ARCH_AT91SAM9G45)
extern void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices);
#else
extern void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices);
#endif
/* SPI */
extern void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices);
/* Serial */
#define ATMEL_UART_CTS 0x01
#define ATMEL_UART_RTS 0x02
#define ATMEL_UART_DSR 0x04
#define ATMEL_UART_DTR 0x08
#define ATMEL_UART_DCD 0x10
#define ATMEL_UART_RI 0x20
extern void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins);
extern void __init at91_set_serial_console(unsigned portnr);
extern struct platform_device *atmel_default_console_device;
struct atmel_uart_data {
int num; /* port num */
short use_dma_tx; /* use transmit DMA? */
short use_dma_rx; /* use receive DMA? */
void __iomem *regs; /* virt. base address, if any */
struct serial_rs485 rs485; /* rs485 settings */
};
extern void __init at91_add_device_serial(void);
/*
* PWM
*/
#define AT91_PWM0 0
#define AT91_PWM1 1
#define AT91_PWM2 2
#define AT91_PWM3 3
extern void __init at91_add_device_pwm(u32 mask);
/*
* SSC -- accessed through ssc_request(id). Drivers don't bind to SSC
* platform devices. Their SSC ID is part of their configuration data,
* along with information about which SSC signals they should use.
*/
#define ATMEL_SSC_TK 0x01
#define ATMEL_SSC_TF 0x02
#define ATMEL_SSC_TD 0x04
#define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD)
#define ATMEL_SSC_RK 0x10
#define ATMEL_SSC_RF 0x20
#define ATMEL_SSC_RD 0x40
#define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD)
extern void __init at91_add_device_ssc(unsigned id, unsigned pins);
/* LCD Controller */
struct atmel_lcdfb_info;
extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data);
/* AC97 */
extern void __init at91_add_device_ac97(struct ac97c_platform_data *data);
/* ISI */
extern void __init at91_add_device_isi(void);
/* Touchscreen Controller */
struct at91_tsadcc_data {
unsigned int adc_clock;
u8 pendet_debounce;
u8 ts_sample_hold_time;
};
extern void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data);
/* CAN */
struct at91_can_data {
void (*transceiver_switch)(int on);
};
extern void __init at91_add_device_can(struct at91_can_data *data);
/* LEDs */
extern void __init at91_init_leds(u8 cpu_led, u8 timer_led);
extern void __init at91_gpio_leds(struct gpio_led *leds, int nr);
extern void __init at91_pwm_leds(struct gpio_led *leds, int nr);
/* FIXME: this needs a better location, but gets stuff building again */
extern int at91_suspend_entering_slow_clock(void);
#endif
