From: Rob Herring Date: Fri, 23 Sep 2011 14:56:53 +0000 (-0500) Subject: devicetree: Add ARM pl022 spi controller binding doc X-Git-Tag: upstream/snapshot3+hdmi~8910^2~6^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6add6967a4a57e2156b96e62f28bcbe1901d16c1;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git devicetree: Add ARM pl022 spi controller binding doc Add binding documentation for ARM's Primecell PL022 SPI controller. Signed-off-by: Rob Herring --- diff --git a/Documentation/devicetree/bindings/spi/spi_pl022.txt b/Documentation/devicetree/bindings/spi/spi_pl022.txt new file mode 100644 index 0000000..306ec3f --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi_pl022.txt @@ -0,0 +1,12 @@ +ARM PL022 SPI controller + +Required properties: +- compatible : "arm,pl022", "arm,primecell" +- reg : Offset and length of the register set for the device +- interrupts : Should contain SPI controller interrupt + +Optional properties: +- cs-gpios : should specify GPIOs used for chipselects. + The gpios will be referred to as reg = in the SPI child nodes. + If unspecified, a single SPI device without a chip select can be used. +