/* * 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 #include #include #include #include #include #include #include #include #include #include /* 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 */ /* 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 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_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