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Diffstat (limited to 'arch/arm/mach-at91/include/mach/board.h')
| -rw-r--r-- | arch/arm/mach-at91/include/mach/board.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h new file mode 100644 index 00000000..49a82119 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/board.h @@ -0,0 +1,198 @@ +/* + * 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> +#include <linux/platform_data/atmel.h> + + /* USB Device */ +struct at91_udc_data { + int vbus_pin; /* high == host powering us */ + u8 vbus_active_low; /* vbus polarity */ + u8 vbus_polled; /* Use polling, not interrupt */ + int 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 { + int irq_pin; /* I/O IRQ */ + int det_pin; /* Card detect */ + int vcc_pin; /* power switching */ + int 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 { + int det_pin; /* card detect IRQ */ + unsigned slot_b:1; /* uses Slot B */ + unsigned wire4:1; /* (SD) supports DAT0..DAT3 */ + int wp_pin; /* (SD) writeprotect detect */ + int 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 */ +#define AT91_MAX_USBH_PORTS 3 +struct at91_usbh_data { + int vbus_pin[AT91_MAX_USBH_PORTS]; /* port power-control pin */ + int overcurrent_pin[AT91_MAX_USBH_PORTS]; + u8 ports; /* number of ports on root hub */ + u8 overcurrent_supported; + u8 vbus_pin_active_low[AT91_MAX_USBH_PORTS]; + u8 overcurrent_status[AT91_MAX_USBH_PORTS]; + u8 overcurrent_changed[AT91_MAX_USBH_PORTS]; +}; +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); + +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 */ +struct isi_platform_data; +extern void __init at91_add_device_isi(struct isi_platform_data *data, + bool use_pck_as_mck); + + /* 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 |