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| author | Steffen Trumtrar <s.trumtrar@pengutronix.de> | 2014-06-13 15:36:18 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-07-03 19:44:04 +0100 |
| commit | 22dae17e7a5e8b79e5e56d1557234dda9e1dd8e2 (patch) | |
| tree | 1105b3b03858f01270e32766f2cff06c49d9f5d9 /Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt | |
| parent | 7171511eaec5bf23fb06078f59784a3a0626b38f (diff) | |
| download | blackbird-obmc-linux-22dae17e7a5e8b79e5e56d1557234dda9e1dd8e2.tar.gz blackbird-obmc-linux-22dae17e7a5e8b79e5e56d1557234dda9e1dd8e2.zip | |
spi: dw-mmio: add devicetree support
Allow probing the dw-mmio from devicetree.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt new file mode 100644 index 000000000000..bd99193e87b9 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt @@ -0,0 +1,28 @@ +Synopsys DesignWare AMBA 2.0 Synchronous Serial Interface. + +Required properties: +- compatible : "snps,dw-apb-ssi" +- reg : The register base for the controller. +- interrupts : One interrupt, used by the controller. +- #address-cells : <1>, as required by generic SPI binding. +- #size-cells : <0>, also as required by generic SPI binding. + +Optional properties: +- cs-gpios : Specifies the gpio pis to be used for chipselects. +- num-cs : The number of chipselects. If omitted, this will default to 4. + +Child nodes as per the generic SPI binding. + +Example: + + spi@fff00000 { + compatible = "snps,dw-apb-ssi"; + reg = <0xfff00000 0x1000>; + interrupts = <0 154 4>; + #address-cells = <1>; + #size-cells = <0>; + num-cs = <2>; + cs-gpios = <&gpio0 13 0>, + <&gpio0 14 0>; + }; + |
