diff options
Diffstat (limited to 'include/spi.h')
| -rw-r--r-- | include/spi.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/spi.h b/include/spi.h index 9e9851284c8..6e8e0cce7f2 100644 --- a/include/spi.h +++ b/include/spi.h @@ -38,6 +38,15 @@ #define SPI_DEFAULT_WORDLEN 8 +/* SPI transfer flags */ +#define SPI_XFER_STRIPE (1 << 6) +#define SPI_XFER_MASK (3 << 8) +#define SPI_XFER_LOWER (1 << 8) +#define SPI_XFER_UPPER (2 << 8) + +/* Max no. of CS supported per spi device */ +#define SPI_CS_CNT_MAX 2 + /** * struct dm_spi_bus - SPI bus info * @@ -155,6 +164,8 @@ struct spi_slave { #define SPI_XFER_BEGIN BIT(0) /* Assert CS before transfer */ #define SPI_XFER_END BIT(1) /* Deassert CS after transfer */ #define SPI_XFER_ONCE (SPI_XFER_BEGIN | SPI_XFER_END) +#define SPI_XFER_U_PAGE BIT(4) +#define SPI_XFER_STACKED BIT(5) }; /** |