diff options
Diffstat (limited to 'include/linux/spi/altera.h')
| -rw-r--r-- | include/linux/spi/altera.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/include/linux/spi/altera.h b/include/linux/spi/altera.h index 2d42641499a6..3b74c3750caf 100644 --- a/include/linux/spi/altera.h +++ b/include/linux/spi/altera.h @@ -5,13 +5,16 @@ #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. + * @mode_bits: Mode bits of SPI host. * @num_chipselect: Number of chipselects. * @bits_per_word_mask: bitmask of supported bits_per_word for transfers. * @num_devices: Number of devices that shall be added when the driver @@ -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_host(struct spi_controller *host); #endif /* __LINUX_SPI_ALTERA_H */ |