This change documents a new property for the snps,dw-apb-ssi device, allowing an implementer to interact with the SPI controller data register in 16 bit mode only. This supports a change that unbreaks this driver on picoXcell platforms. Signed-off-by: Michael van der Westhuizen <michael@xxxxxxxxxxxxxxxx> --- Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt index bd99193..3b2a86f 100644 --- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt +++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt @@ -10,6 +10,9 @@ 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. +- snps,data-io-16bit : A boolean property that, when present, causes + the driver to interact with the data register using 16 bit I/O instead + of the default 32 bit I/O. Child nodes as per the generic SPI binding. -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
