diff options
Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-cadence.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-cadence.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-cadence.txt b/Documentation/devicetree/bindings/spi/spi-cadence.txt new file mode 100644 index 00000000000..94f09141a4f --- /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>; + } ; |