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| author |   Roland Stigge <stigge@antcom.de> | 2012-08-22 15:49:19 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-08-22 20:00:54 +0100 |
| commit | 41962f90c605983fb04c23bab9c060c9f49ee4c3 (patch) | |
| tree | 3ad3b7decda593775c84cf65295434885a1a5159 /Documentation/devicetree/bindings/spi/spi-bus.txt | |
| parent | spi/pl022: Add devicetree support (diff) | |
| download | linux-dev-41962f90c605983fb04c23bab9c060c9f49ee4c3.tar.xz linux-dev-41962f90c605983fb04c23bab9c060c9f49ee4c3.zip | |
spi/dt: DT bindings documentation: "num-cs" property for SPI controllers
Several SPI controller drivers have defined differently named properties for
the number of chip selects. Now adding "num-cs" as a reference name for new
bindings.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-bus.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-bus.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-bus.txt b/Documentation/devicetree/bindings/spi/spi-bus.txt index e782add2e457..d2c33d0f533e 100644 --- a/Documentation/devicetree/bindings/spi/spi-bus.txt +++ b/Documentation/devicetree/bindings/spi/spi-bus.txt @@ -21,6 +21,9 @@ assumption that board specific platform code will be used to manage chip selects. Individual drivers can define additional properties to support describing the chip select layout. +Optional property: +- num-cs : total number of chipselects + SPI slave nodes must be children of the SPI master node and can contain the following properties. - reg - (required) chip select address of device. |