Add flags for Octal I/O data transfer
Required for the SPI controller which can do data transfer (TX/RX)
on 8 data lines e.g. NXP FlexSPI controller.
SPI_TX_OCTAL: transmit with 8 wires
SPI_RX_OCTAL: receive with 8 wires
Signed-off-by: Yogesh Gaur <yogeshnarayan.g...@nxp.com>
---
include/linux/spi/spi.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 558aeed..180f277 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -164,6 +164,8 @@ 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_TX_OCTAL 0x1000 /* transmit with 8
wires */
+#define SPI_RX_OCTAL 0x2000 /* receive with 8 wires
*/
int irq;
void *controller_state;
void *controller_data;
--
2.7.4
