diff options
Diffstat (limited to 'linux-headers/include/linux/spi/spidev.h')
| -rw-r--r-- | linux-headers/include/linux/spi/spidev.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/linux-headers/include/linux/spi/spidev.h b/linux-headers/include/linux/spi/spidev.h index c4253f0..d56427c 100644 --- a/linux-headers/include/linux/spi/spidev.h +++ b/linux-headers/include/linux/spi/spidev.h @@ -48,6 +48,10 @@ #define SPI_TX_QUAD 0x200 #define SPI_RX_DUAL 0x400 #define SPI_RX_QUAD 0x800 +#define SPI_CS_WORD 0x1000 +#define SPI_TX_OCTAL 0x2000 +#define SPI_RX_OCTAL 0x4000 +#define SPI_3WIRE_HIZ 0x8000 /*---------------------------------------------------------------------------*/ @@ -66,6 +70,9 @@ * @delay_usecs: If nonzero, how long to delay after the last bit transfer * before optionally deselecting the device before the next transfer. * @cs_change: True to deselect device before starting the next transfer. + * @word_delay_usecs: If nonzero, how long to wait between words within one + * transfer. This property needs explicit support in the SPI controller, + * otherwise it is silently ignored. * * This structure is mapped directly to the kernel spi_transfer structure; * the fields have the same meanings, except of course that the pointers @@ -100,7 +107,8 @@ struct spi_ioc_transfer { __u8 cs_change; __u8 tx_nbits; __u8 rx_nbits; - __u16 pad; + __u8 word_delay_usecs; + __u8 pad; /* If the contents of 'struct spi_ioc_transfer' ever change * incompatibly, then the ioctl number (currently 0) must change; |