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| author |   Mark Brown <broonie@kernel.org> | 2018-09-17 14:17:30 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-09-17 14:17:30 -0700 |
| commit | 926369667732577cd7ca85f28ced8ef8d0964285 (patch) | |
| tree | df133160f1bc2c9faf38399e4a5db5896b2bf002 /include/linux/spi | |
| parent | spi: pic32-sqi: remove unnecessary of_node_get() (diff) | |
| parent | spi: add software implementation for SPI_CS_WORD (diff) | |
| download | linux-dev-926369667732577cd7ca85f28ced8ef8d0964285.tar.xz linux-dev-926369667732577cd7ca85f28ced8ef8d0964285.zip | |
Merge tag 'spi-cs-word' into spi-4.20
spi: Provide SPI_CS_WORD
This provides a SPI operation mode which changes chip select after every
word, used by some devices such as ADCs and DACs.
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 d698f9db3484..7bb36145e2ba 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 * - ... */ |