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| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-xilinx.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-xilinx.txt b/Documentation/devicetree/bindings/spi/spi-xilinx.txt new file mode 100644 index 000000000..5f4ed3e5c --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-xilinx.txt @@ -0,0 +1,23 @@ +Xilinx SPI controller Device Tree Bindings +------------------------------------------------- + +Required properties: +- compatible : Should be "xlnx,xps-spi-2.00.a", "xlnx,xps-spi-2.00.b" or "xlnx,axi-quad-spi-1.00.a" +- reg : Physical base address and size of SPI registers map. +- interrupts : Property with a value describing the interrupt + number. + +Optional properties: +- xlnx,num-ss-bits : Number of chip selects used. +- xlnx,num-transfer-bits : Number of bits per transfer. This will be 8 if not specified + +Example: + axi_quad_spi@41e00000 { + compatible = "xlnx,xps-spi-2.00.a"; + interrupt-parent = <&intc>; + interrupts = <0 31 1>; + reg = <0x41e00000 0x10000>; + xlnx,num-ss-bits = <0x1>; + xlnx,num-transfer-bits = <32>; + }; + |