[U-Boot] [PATCH 1/2] spi: Get spi-3wire from dts

Jagan Teki jteki at openedev.com
Thu Dec 3 18:12:18 CET 2015


spi-3wire is used when SI/SO signals shared so get
the same from dts node and assign to mode on slave
plat->mode.

Cc: Simon Glass <sjg at chromium.org>
Signed-off-by: Jagan Teki <jteki at openedev.com>
---
 drivers/spi/spi-uclass.c | 2 ++
 1 file changed, 2 insertions(+)

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 @@ int spi_slave_ofdata_to_platdata(const void *blob, int node,
 		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;
-- 
1.9.1



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