path: root/Documentation/devicetree/bindings/spi
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authorZhao Qiang <B45475@freescale.com>2014-04-01 09:10:50 (GMT)
committerMark Brown <broonie@linaro.org>2014-04-14 16:17:01 (GMT)
commitcd6339e6ced387ad67b5551dd2931cfd7e8b970b (patch)
treec3222a2ff83afd95c9cd48a6cc602222298dd362 /Documentation/devicetree/bindings/spi
parentc9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff)
spi: add "spi-lsb-first" to devicetree
add optional property devicetree for SPI slave nodes into devicetree so that LSB mode can be enabled by devicetree. Signed-off-by: Zhao Qiang <B45475@freescale.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-bus.txt b/Documentation/devicetree/bindings/spi/spi-bus.txt
index e5a4d1b..22d5740 100644
--- a/Documentation/devicetree/bindings/spi/spi-bus.txt
+++ b/Documentation/devicetree/bindings/spi/spi-bus.txt
@@ -55,6 +55,8 @@ contain the following properties.
chip select active high
- spi-3wire - (optional) Empty property indicating device requires
3-wire mode.
+- spi-lsb-first - (optional) Empty property indicating device requires
+ LSB first mode.
- spi-tx-bus-width - (optional) The bus width(number of data wires) that
used for MOSI. Defaults to 1 if not present.
- spi-rx-bus-width - (optional) The bus width(number of data wires) that

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