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| author | Matthew Gerlach <matthew.gerlach@linux.intel.com> | 2021-04-16 19:57:19 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-04-20 19:26:40 +0300 |
| commit | b0c3d9354de1f87eebc00694d5218b6611265933 (patch) | |
| tree | fcd1cf992774191604f341b0d19accd9527add55 /include/linux/spi | |
| parent | 1b8a7d4282c038b3846f2485d86cb990c55c38d9 (diff) | |
| download | linux-b0c3d9354de1f87eebc00694d5218b6611265933.tar.xz | |
spi: altera: separate core code from platform code
In preparation of adding support for a new bus type,
separate the core spi-altera code from the platform
driver code.
Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Link: https://lore.kernel.org/r/20210416165720.554144-2-matthew.gerlach@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/spi')
| -rw-r--r-- | include/linux/spi/altera.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/spi/altera.h b/include/linux/spi/altera.h index 2d42641499a6..2e2a622e56da 100644 --- a/include/linux/spi/altera.h +++ b/include/linux/spi/altera.h @@ -5,10 +5,13 @@ #ifndef __LINUX_SPI_ALTERA_H #define __LINUX_SPI_ALTERA_H +#include <linux/interrupt.h> #include <linux/regmap.h> #include <linux/spi/spi.h> #include <linux/types.h> +#define ALTERA_SPI_MAX_CS 32 + /** * struct altera_spi_platform_data - Platform data of the Altera SPI driver * @mode_bits: Mode bits of SPI master. @@ -26,4 +29,22 @@ struct altera_spi_platform_data { struct spi_board_info *devices; }; +struct altera_spi { + int irq; + int len; + int count; + int bytes_per_word; + u32 imr; + + /* data buffers */ + const unsigned char *tx; + unsigned char *rx; + + struct regmap *regmap; + u32 regoff; + struct device *dev; +}; + +extern irqreturn_t altera_spi_irq(int irq, void *dev); +extern void altera_spi_init_master(struct spi_master *master); #endif /* __LINUX_SPI_ALTERA_H */ |