From: Harini Katakam <harini.katakam@xxxxxxxxxx> Add gpio-zynq bindings documentation. Signed-off-by: Harini Katakam <harinik@xxxxxxxxxx> Signed-off-by: Soren Brinkmann <soren.brinkmann@xxxxxxxxxx> --- v3 changes: Change description of #gpio-cells - use 'gpio-line' instead of 'pin' v2 changes: Improve description. --- .../devicetree/bindings/gpio/gpio-zynq.txt | 26 ++++++++++++++++++++ 1 file changed, 26 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..986371a --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-zynq.txt @@ -0,0 +1,26 @@ +Xilinx Zynq GPIO controller Device Tree Bindings +------------------------------------------- + +Required properties: +- #gpio-cells : Should be two + - First cell is the GPIO line number + - Second cell is used to specify optional + parameters (unused) +- 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html