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-rw-r--r--dts/Bindings/spi/fsl-spi.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/dts/Bindings/spi/fsl-spi.txt b/dts/Bindings/spi/fsl-spi.txt
index 8854004..411375e 100644
--- a/dts/Bindings/spi/fsl-spi.txt
+++ b/dts/Bindings/spi/fsl-spi.txt
@@ -18,6 +18,10 @@ Optional properties:
- gpios : specifies the gpio pins to be used for chipselects.
The gpios will be referred to as reg = <index> in the SPI child nodes.
If unspecified, a single SPI device without a chip select can be used.
+- fsl,spisel_boot : for the MPC8306 and MPC8309, specifies that the
+ SPISEL_BOOT signal is used as chip select for a slave device. Use
+ reg = <number of gpios> in the corresponding child node, i.e. 0 if
+ the gpios property is not present.
Example:
spi@4c0 {