diff options
-rw-r--r-- | Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt index bd99193e87b9..204b311e0400 100644 --- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt +++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt @@ -10,6 +10,8 @@ Required properties: Optional properties: - cs-gpios : Specifies the gpio pis to be used for chipselects. - num-cs : The number of chipselects. If omitted, this will default to 4. +- reg-io-width : The I/O register width (in bytes) implemented by this + device. Supported values are 2 or 4 (the default). Child nodes as per the generic SPI binding. |