Add bindings documentation for Zynq Quad SPI driver.
Signed-off-by: Punnaiah Choudary Kalluri <punnaia@xxxxxxxxxx>
---
.../devicetree/bindings/spi/spi-zynq-qspi.txt | 26 ++++++++++++++++++++
1 file changed, 26 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..88e00f8
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt
@@ -0,0 +1,26 @@
+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", "aper_clk"
+ (See clock bindings for details).
+- clocks : Clock phandles (see clock bindings for details).
+
+Optional properties:
+- num-cs : Number of chip selects used.
+
+Example:
+ qspi@e000d000 {
+ compatible = "xlnx,zynq-qspi-1.0";
+ clock-names = "ref_clk", "aper_clk";
+ clocks = <&clkc 10>, <&clkc 43>;
+ interrupt-parent = <&ps7_scugic_0>;
+ interrupts = <0 19 4>;
+ num-cs = /bits/ 16 <1>;
+ reg = <0xe000d000 0x1000>;
+ };
--
1.7.9.5
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