include/linux/platform_data/atmel.h

   1 /*
   2  * atmel platform data
   3  *
   4  * GPL v2 Only
   5  */
   6
   7 #ifndef __ATMEL_H__
   8 #define __ATMEL_H__
   9
  10 #include <linux/mtd/nand.h>
  11 #include <linux/mtd/partitions.h>
  12 #include <linux/serial.h>
  13
  14  /* Compact Flash */
  15 struct at91_cf_data {
  16         int     irq_pin;                /* I/O IRQ */
  17         int     det_pin;                /* Card detect */
  18         int     vcc_pin;                /* power switching */
  19         int     rst_pin;                /* card reset */
  20         u8      chipselect;             /* EBI Chip Select number */
  21         u8      flags;
  22 #define AT91_CF_TRUE_IDE        0x01
  23 #define AT91_IDE_SWAP_A0_A2     0x02
  24 };
  25
  26  /* NAND / SmartMedia */
  27 struct atmel_nand_data {
  28         int             enable_pin;             /* chip enable */
  29         int             det_pin;                /* card detect */
  30         int             rdy_pin;                /* ready/busy */
  31         u8              rdy_pin_active_low;     /* rdy_pin value is inverted */
  32         u8              ale;                    /* address line number connected to ALE */
  33         u8              cle;                    /* address line number connected to CLE */
  34         u8              bus_width_16;           /* buswidth is 16 bit */
  35         u8              ecc_mode;               /* ecc mode */
  36         u8              on_flash_bbt;           /* bbt on flash */
  37         struct mtd_partition *parts;
  38         unsigned int    num_parts;
  39         bool            has_dma;                /* support dma transfer */
  40
  41         /* default is false, only for at32ap7000 chip is true */
  42         bool            need_reset_workaround;
  43 };
  44
  45  /* Serial */
  46 struct atmel_uart_data {
  47         int                     num;            /* port num */
  48         short                   use_dma_tx;     /* use transmit DMA? */
  49         short                   use_dma_rx;     /* use receive DMA? */
  50         void __iomem            *regs;          /* virt. base address, if any */
  51         struct serial_rs485     rs485;          /* rs485 settings */
  52 };
  53
  54 /* FIXME: this needs a better location, but gets stuff building again */
  55 extern int at91_suspend_entering_slow_clock(void);
  56
  57 #endif /* __ATMEL_H__ */