diff options
Diffstat (limited to 'drivers/spi/spi-dw.h')
| -rw-r--r-- | drivers/spi/spi-dw.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h index b11fc873c3a7..56be1ad2ac0e 100644 --- a/drivers/spi/spi-dw.h +++ b/drivers/spi/spi-dw.h @@ -71,6 +71,13 @@ #define DWC_SSI_CTRLR0_FRF_OFFSET 6 #define DWC_SSI_CTRLR0_DFS_OFFSET 0 +/* + * For Keem Bay, CTRLR0[31] is used to select controller mode. + * 0: SSI is slave + * 1: SSI is master + */ +#define DWC_SSI_CTRLR0_KEEMBAY_MST BIT(31) + /* Bit fields in SR, 7 bits */ #define SR_MASK 0x7f /* cover 7 bits */ #define SR_BUSY (1 << 0) @@ -101,6 +108,7 @@ enum dw_ssi_type { /* DW SPI capabilities */ #define DW_SPI_CAP_CS_OVERRIDE BIT(0) +#define DW_SPI_CAP_KEEMBAY_MST BIT(1) struct dw_spi; struct dw_spi_dma_ops { |