spi: Get spi-3wire from dts
spi-3wire is used when SI/SO signals shared so get
the same from dts node and assign to mode on slave
plat->mode.
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c
index 3c7d64a..e0f6b25 100644
--- a/drivers/spi/spi-uclass.c
+++ b/drivers/spi/spi-uclass.c
@@ -378,6 +378,8 @@
mode |= SPI_CPHA;
if (fdtdec_get_bool(blob, node, "spi-cs-high"))
mode |= SPI_CS_HIGH;
+ if (fdtdec_get_bool(blob, node, "spi-3wire"))
+ mode |= SPI_3WIRE;
if (fdtdec_get_bool(blob, node, "spi-half-duplex"))
mode |= SPI_PREAMBLE;
plat->mode = mode;