From 82b3aea65f9fee161d8e07602e5a8c7b0b103fa3 Mon Sep 17 00:00:00 2001 From: Shubhrajyoti Datta Date: Wed, 9 Mar 2016 14:17:20 +0530 Subject: spi: xilinx: Add devicetree binding for spi-xilinx Add a binding document for the spi/spi-xilinx Signed-off-by: Shubhrajyoti Datta Signed-off-by: Mark Brown --- .../devicetree/bindings/spi/spi-xilinx.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-xilinx.txt diff --git a/Documentation/devicetree/bindings/spi/spi-xilinx.txt b/Documentation/devicetree/bindings/spi/spi-xilinx.txt new file mode 100644 index 000000000000..c7b7856bd528 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-xilinx.txt @@ -0,0 +1,22 @@ +Xilinx SPI controller Device Tree Bindings +------------------------------------------------- + +Required properties: +- compatible : Should be "xlnx,xps-spi-2.00.a" or "xlnx,xps-spi-2.00.b" +- 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 + +Optional properties: +- xlnx,num-ss-bits : Number of chip selects used. + +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>; + }; + -- cgit