On 04/01/17 12:16, Peter Rosin wrote:
> Signed-off-by: Peter Rosin <peda@xxxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxxx>
> ---
> .../bindings/iio/multiplexer/io-channel-mux.txt | 39 ++++++++++++++++++++++
> MAINTAINERS | 6 ++++
> 2 files changed, 45 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt
>
> diff --git a/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt b/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt
> new file mode 100644
> index 000000000000..c82794002595
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt
> @@ -0,0 +1,39 @@
> +I/O channel multiplexer bindings
> +
> +If a multiplexer is used to select which hardware signal is fed to
> +e.g. an ADC channel, these bindings describe that situation.
> +
> +Required properties:
> +- compatible : "io-channel-mux"
> +- io-channels : Channel node of the parent channel that has multiplexed
> + input.
> +- io-channel-names : Should be "parent".
> +- #address-cells = <1>;
> +- #size-cells = <0>;
> +- mux-controls : Mux controller node to use for operating the mux
> +- channels : List of strings, labeling the mux controller states.
> +
> +For each non-empty string in the channels property, an io-channel will
> +be created. The number of this io-channel is the same as the index into
> +the list of strings in the channels property, and also matches the mux
> +controller state. The mux controller state is described in
> +../mux/mux-controller.txt
> +
> +Example:
> + mux: mux-controller {
> + compatible = "mux-gpio";
> + #mux-control-cells = <0>;
> +
> + mux-gpios = <&pioA 0 GPIO_ACTIVE_HIGH>,
> + <&pioA 1 GPIO_ACTIVE_HIGH>;
> + };
> +
> + adc-mux {
> + compatible = "io-channel-mux";
> + io-channels = <&adc 0>;
> + io-channel-names = "parent";
> +
> + mux-controls = <&mux>;
> +
> + channels = "sync", "in", "system-regulator";
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index ebe96f3e25a0..91775f2be209 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -6274,6 +6274,12 @@ F: Documentation/ABI/testing/sysfs-bus-iio-adc-envelope-detector
> F: Documentation/devicetree/bindings/iio/adc/envelope-detector.txt
> F: drivers/iio/adc/envelope-detector.c
>
> +IIO MULTIPLEXER
> +M: Peter Rosin <peda@xxxxxxxxxx>
> +L: linux-iio@xxxxxxxxxxxxxxx
> +S: Maintained
> +F: Documentation/devicetree/bindings/iio/multiplexer/iio-mux.txt
> +
> IIO SUBSYSTEM AND DRIVERS
> M: Jonathan Cameron <jic23@xxxxxxxxxx>
> R: Hartmut Knaack <knaack.h@xxxxxx>
>
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