diff options
| author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2020-05-04 11:24:26 +0300 |
|---|---|---|
| committer | Priyanka Jain <priyanka.jain@nxp.com> | 2020-07-27 14:16:26 +0530 |
| commit | e7005b3e80d396f45a3ba88448818eee5d592f27 (patch) | |
| tree | 549c06c99dd8522ac8b9099b106b2fc46b96eff5 /include/fsl_dspi.h | |
| parent | ada61f1ee2a4eaa1b29d699b5ba940483171df8a (diff) | |
fsl_dspi: Introduce DT bindings for CS-SCK and SCK-CS delays
Communication with some SPI slaves just won't cut it if these delays
(before the beginning, and after the end of a transfer) are not added to
the Chip Select signal.
These are a straight copy from Linux:
Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt
drivers/spi/spi-fsl-dspi.c
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
[Rebased]
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'include/fsl_dspi.h')
| -rw-r--r-- | include/fsl_dspi.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/fsl_dspi.h b/include/fsl_dspi.h index 114f63bce3..4fec83549e 100644 --- a/include/fsl_dspi.h +++ b/include/fsl_dspi.h @@ -94,6 +94,7 @@ struct dspi { #define DSPI_CTAR_ASC(x) (((x) & 0x0F) << 8) #define DSPI_CTAR_DT(x) (((x) & 0x0F) << 4) #define DSPI_CTAR_BR(x) ((x) & 0x0F) +#define DSPI_CTAR_SCALE_BITS 0xf /* Status */ #define DSPI_SR_TCF 0x80000000 |