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Signed-off-by: Naga Sureshkumar Relli --- .../devicetree/bindings/spi/spi-zynq-qspi.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt diff --git a/Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt b/Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt new file mode 100644 index 0000000..fe3b8e9 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt @@ -0,0 +1,28 @@ +Xilinx Zynq QSPI controller Device Tree Bindings +------------------------------------------------- + +Required properties: +- compatible : Should be "xlnx,zynq-qspi-1.0". +- reg : Physical base address and size of QSPI 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. +- is-dual : QSPI operating in Dual parallel. +- is-satcked : QSPI operating in Stacked mode. + +Example: + qspi@e000d000 { + compatible = "xlnx,zynq-qspi-1.0"; + clock-names = "ref_clk", "pclk"; + clocks = <&clkc 10>, <&clkc 43>; + interrupt-parent = <&intc>; + interrupts = <0 19 4>; + num-cs = <1>; + reg = <0xe000d000 0x1000>; + } ;