From 011f23a3c2f20ae15b7664d3942493af107fe39b Mon Sep 17 00:00:00 2001 From: Mika Westerberg Date: Thu, 6 May 2010 04:47:04 +0000 Subject: spi/ep93xx: implemented driver for Cirrus EP93xx SPI controller This patch adds an SPI master driver for the Cirrus EP93xx SPI controller found in EP93xx chips. Signed-off-by: Mika Westerberg Signed-off-by: H Hartley Sweeten Acked-by: H Hartley Sweeten Signed-off-by: Grant Likely --- arch/arm/mach-ep93xx/include/mach/ep93xx_spi.h | 27 ++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 arch/arm/mach-ep93xx/include/mach/ep93xx_spi.h (limited to 'arch/arm/mach-ep93xx') diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx_spi.h b/arch/arm/mach-ep93xx/include/mach/ep93xx_spi.h new file mode 100644 index 0000000..0a37961 --- /dev/null +++ b/arch/arm/mach-ep93xx/include/mach/ep93xx_spi.h @@ -0,0 +1,27 @@ +#ifndef __ASM_MACH_EP93XX_SPI_H +#define __ASM_MACH_EP93XX_SPI_H + +struct spi_device; + +/** + * struct ep93xx_spi_info - EP93xx specific SPI descriptor + * @num_chipselect: number of chip selects on this board, must be + * at least one + */ +struct ep93xx_spi_info { + int num_chipselect; +}; + +/** + * struct ep93xx_spi_chip_ops - operation callbacks for SPI slave device + * @setup: setup the chip select mechanism + * @cleanup: cleanup the chip select mechanism + * @cs_control: control the device chip select + */ +struct ep93xx_spi_chip_ops { + int (*setup)(struct spi_device *spi); + void (*cleanup)(struct spi_device *spi); + void (*cs_control)(struct spi_device *spi, int value); +}; + +#endif /* __ASM_MACH_EP93XX_SPI_H */ -- cgit v1.1