Add spi-cadence bindings documentation. Signed-off-by: Harini Katakam <harinik@xxxxxxxxxx> --- v4 changes: No changes. v3 changes: - Remove /bits/ 16 from num-cs property in example. - Add is-decoded-cs optional property and add to description of num-cs. v2 changes: - Separate patch for bindings. - Add xilinx compatible string; Make compatible string first in the node. - Use property name num-cs. Make this property optional. --- .../devicetree/bindings/spi/spi-cadence.txt | 31 ++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-cadence.txt diff --git a/Documentation/devicetree/bindings/spi/spi-cadence.txt b/Documentation/devicetree/bindings/spi/spi-cadence.txt new file mode 100644 index 0000000..94f0914 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-cadence.txt @@ -0,0 +1,31 @@ +Cadence SPI controller Device Tree Bindings +------------------------------------------- + +Required properties: +- compatible : Should be "cdns,spi-r1p6" or "xlnx,zynq-spi-r1p6". +- reg : Physical base address and size of SPI registers map. +- interrupts : Property with a value describing the interrupt + number. +- interrupt-parent : Must be core interrupt controller +- clock-names : List of input clock names - "ref_clk", "pclk" + (See clock bindings for details). +- clocks : Clock phandles (see clock bindings for details). + +Optional properties: +- num-cs : Number of chip selects used. + If a decoder is used, this will be the number of + chip selects after the decoder. +- is-decoded-cs : Flag to indicate whether decoder is used or not. + +Example: + + spi@e0007000 { + compatible = "xlnx,zynq-spi-r1p6"; + clock-names = "ref_clk", "pclk"; + clocks = <&clkc 26>, <&clkc 35>; + interrupt-parent = <&intc>; + interrupts = <0 49 4>; + num-cs = <4>; + is-decoded-cs = <0>; + reg = <0xe0007000 0x1000>; + } ; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html