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 */ 30