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| author | Mika Westerberg <mika.westerberg@iki.fi> | 2010-05-06 04:47:04 +0000 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-05-25 00:23:16 -0600 |
| commit | 011f23a3c2f20ae15b7664d3942493af107fe39b (patch) | |
| tree | b5dbae0b150308b29ea2545c98339532830ee479 /arch | |
| parent | 1dcf57ceb461fe2ddeb622fe84d9918aadefe7ba (diff) | |
| download | linux-011f23a3c2f20ae15b7664d3942493af107fe39b.tar.bz2 | |
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 <mika.westerberg@iki.fi>
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-ep93xx/include/mach/ep93xx_spi.h | 27 |
1 files changed, 27 insertions, 0 deletions
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 000000000000..0a37961b3453 --- /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 */ |