include/linux/platform_data/spi-ep93xx.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  * @use_dma: use DMA for the transfers
  11  */
  12 struct ep93xx_spi_info {
  13         int     num_chipselect;
  14         bool    use_dma;
  15 };
  16
  17 /**
  18  * struct ep93xx_spi_chip_ops - operation callbacks for SPI slave device
  19  * @setup: setup the chip select mechanism
  20  * @cleanup: cleanup the chip select mechanism
  21  * @cs_control: control the device chip select
  22  */
  23 struct ep93xx_spi_chip_ops {
  24         int     (*setup)(struct spi_device *spi);
  25         void    (*cleanup)(struct spi_device *spi);
  26         void    (*cs_control)(struct spi_device *spi, int value);
  27 };
  28
  29 #endif /* __ASM_MACH_EP93XX_SPI_H */