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-rw-r--r--Documentation/devicetree/bindings/spi/sh-msiof.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/sh-msiof.txt b/Documentation/devicetree/bindings/spi/sh-msiof.txt
index dc975064fa27..64ee489571c4 100644
--- a/Documentation/devicetree/bindings/spi/sh-msiof.txt
+++ b/Documentation/devicetree/bindings/spi/sh-msiof.txt
@@ -38,6 +38,8 @@ Optional properties:
specifiers, one for transmission, and one for
reception.
- dma-names : Must contain a list of two DMA names, "tx" and "rx".
+- spi-slave : Empty property indicating the SPI controller is used
+ in slave mode.
- renesas,dtdl : delay sync signal (setup) in transmit mode.
Must contain one of the following values:
0 (no bit delay)