spi: Add SPI_TX_DUAL mode
Added SPI_TX_DUAL mode flag.
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Tested-by: Jagan Teki <jteki@openedev.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
diff --git a/include/spi.h b/include/spi.h
index 85866a2..25470e4 100644
--- a/include/spi.h
+++ b/include/spi.h
@@ -24,7 +24,8 @@
#define SPI_SLAVE BIT(6) /* slave mode */
#define SPI_PREAMBLE BIT(7) /* Skip preamble bytes */
#define SPI_TX_BYTE BIT(8) /* transmit with 1 wire byte */
-#define SPI_TX_QUAD BIT(9) /* transmit with 4 wires */
+#define SPI_TX_DUAL BIT(9) /* transmit with 2 wires */
+#define SPI_TX_QUAD BIT(10) /* transmit with 4 wires */
/* SPI mode_rx flags */
#define SPI_RX_SLOW BIT(0) /* receive with 1 wire slow */