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| author | Rob Herring <rob.herring@calxeda.com> | 2011-09-23 09:56:53 -0500 |
|---|---|---|
| committer | Rob Herring <rob.herring@calxeda.com> | 2011-10-05 07:39:56 -0500 |
| commit | 6add6967a4a57e2156b96e62f28bcbe1901d16c1 (patch) | |
| tree | baea440c7e011afdfd856ac069e4885c96675bf4 /Documentation/devicetree/bindings | |
| parent | f614c74f94f435adcbe52bf7682f1dcc805f0ab1 (diff) | |
devicetree: Add ARM pl022 spi controller binding doc
Add binding documentation for ARM's Primecell PL022 SPI controller.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Diffstat (limited to 'Documentation/devicetree/bindings')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi_pl022.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi_pl022.txt b/Documentation/devicetree/bindings/spi/spi_pl022.txt new file mode 100644 index 00000000000..306ec3ff3c0 --- /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 = <index> in the SPI child nodes. + If unspecified, a single SPI device without a chip select can be used. + |