diff options
| author | David Lechner <david@lechnology.com> | 2018-09-12 19:39:17 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-09-17 14:08:35 -0700 |
| commit | 0baf9eb25572eea0cf48249c1d152d8373956a7c (patch) | |
| tree | 4530650925d142edbb2ce898e2d5c349c37d6e81 /include/linux/spi | |
| parent | 5b394b2ddf0347bef56e50c69a58773c94343ff3 (diff) | |
spi: add new SPI_CS_WORD flag
This adds a new SPI mode flag, SPI_CS_WORD, that is used to indicate
that a SPI device requires the chip select to be toggled after each
word that is transferred.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/spi')
| -rw-r--r-- | include/linux/spi/spi.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index a64235e05321..7cc1466111f5 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -163,6 +163,7 @@ struct spi_device { #define SPI_TX_QUAD 0x200 /* transmit with 4 wires */ #define SPI_RX_DUAL 0x400 /* receive with 2 wires */ #define SPI_RX_QUAD 0x800 /* receive with 4 wires */ +#define SPI_CS_WORD 0x1000 /* toggle cs after each word */ int irq; void *controller_state; void *controller_data; @@ -177,7 +178,6 @@ struct spi_device { * the controller talks to each chip, like: * - memory packing (12 bit samples into low bits, others zeroed) * - priority - * - drop chipselect after each word * - chipselect delays * - ... */ |