devicetree: Add ARM pl022 spi controller binding doc
authorRob Herring <rob.herring@calxeda.com>
Fri, 23 Sep 2011 14:56:53 +0000 (09:56 -0500)
committerRob Herring <rob.herring@calxeda.com>
Wed, 5 Oct 2011 12:39:56 +0000 (07:39 -0500)
Add binding documentation for ARM's Primecell PL022 SPI controller.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>

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