release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-ep93xx/include/mach/ep93xx_spi.h

   1 #ifndef __ASM_MACH_EP93XX_SPI_H
   2 #define __ASM_MACH_EP93XX_SPI_H
   3
   4 struct spi_device;
   5
   6 /**
   7  * struct ep93xx_spi_info - EP93xx specific SPI descriptor
   8  * @num_chipselect: number of chip selects on this board, must be
   9  *                  at least one
  10  */
  11 struct ep93xx_spi_info {
  12         int     num_chipselect;
  13 };
  14
  15 /**
  16  * struct ep93xx_spi_chip_ops - operation callbacks for SPI slave device
  17  * @setup: setup the chip select mechanism
  18  * @cleanup: cleanup the chip select mechanism
  19  * @cs_control: control the device chip select
  20  */
  21 struct ep93xx_spi_chip_ops {
  22         int     (*setup)(struct spi_device *spi);
  23         void    (*cleanup)(struct spi_device *spi);
  24         void    (*cs_control)(struct spi_device *spi, int value);
  25 };
  26
  27 #endif /* __ASM_MACH_EP93XX_SPI_H */