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author | Rob Herring <rob.herring@calxeda.com> | 2011-09-23 14:56:53 (GMT) |
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committer | Rob Herring <rob.herring@calxeda.com> | 2011-10-05 12:39:56 (GMT) |
commit | 6add6967a4a57e2156b96e62f28bcbe1901d16c1 (patch) | |
tree | baea440c7e011afdfd856ac069e4885c96675bf4 /Documentation | |
parent | f614c74f94f435adcbe52bf7682f1dcc805f0ab1 (diff) | |
download | linux-6add6967a4a57e2156b96e62f28bcbe1901d16c1.tar.xz |
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')
-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 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 = <index> in the SPI child nodes. + If unspecified, a single SPI device without a chip select can be used. + |