Add documentation for Milbeaut Updown Counter device quadrature encoder and counter binding.
Signed-off-by: Shinji Kanematsu <[email protected]> --- .../bindings/iio/counter/milbeaut-updown_cnt.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/counter/milbeaut-updown_cnt.txt diff --git a/Documentation/devicetree/bindings/iio/counter/milbeaut-updown_cnt.txt b/Documentation/devicetree/bindings/iio/counter/milbeaut-updown_cnt.txt new file mode 100644 index 0000000..6771567 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/counter/milbeaut-updown_cnt.txt @@ -0,0 +1,22 @@ +SOCIONEXT Milbeaut Updown counter + +Required properties: +- compatible: Must be "socionext,milbeaut-updown-counter". +- reg: Offset and length of the device's register set. +- clocks: Phandle to the clock used by the Updown counter module. +- clock-names: Must be "mux". +- interrupts: SPI number of the device's set. +- cms_type: connected_device + 1: updown button (updown counter mode) + 2: rotary encoder (phase difference counter mode) + +Example: + + updown0: updown@1e002000 { + compatible = "socionext,milbeaut-updown-counter"; + reg = <0x1e002000 0x20>; + clocks = <&clk 4>; + clock-names = "mux"; + interrupts = <0 104 0x4>; + cms_type = <1>; + }; -- 1.9.1
