Messages in this thread Patch in this message | | | From | Harini Katakam <> | Subject | [PATCH v2 2/2] devicetree: Add Zynq GPIO devicetree bindings documentation | Date | Wed, 18 Jun 2014 17:09:37 +0530 |
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From: Harini Katakam <harini.katakam@xilinx.com>
Add gpio-zynq bindings documentation.
Signed-off-by: Harini Katakam <harinik@xilinx.com> Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> ---
v2 changes: Improve description.
--- .../devicetree/bindings/gpio/gpio-zynq.txt | 24 ++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-zynq.txt
diff --git a/Documentation/devicetree/bindings/gpio/gpio-zynq.txt b/Documentation/devicetree/bindings/gpio/gpio-zynq.txt new file mode 100644 index 0000000..b2c023a --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-zynq.txt @@ -0,0 +1,24 @@ +Xilinx Zynq GPIO controller Device Tree Bindings +------------------------------------------- + +Required properties: +- #gpio-cells : Should be two. First cell is used to mention + pin number. +- compatible : Should be "xlnx,zynq-gpio-1.0" +- clocks : Clock specifier (see clock bindings for details) +- gpio-controller : Marks the device node as a GPIO controller. +- interrupts : Interrupt specifier (see interrupt bindings for + details) +- interrupt-parent : Must be core interrupt controller +- reg : Address and length of the register set for the device + +Example: + gpio@e000a000 { + #gpio-cells = <2>; + compatible = "xlnx,zynq-gpio-1.0"; + clocks = <&clkc 42>; + gpio-controller; + interrupt-parent = <&intc>; + interrupts = <0 20 4>; + reg = <0xe000a000 0x1000>; + }; -- 1.7.9.5
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