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Groups > linux.kernel > #1524409
| From | Lars-Peter Clausen <lars@metafoo.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC PATCH 4/7] dt-bindings: iio: iio-mux: document iio-mux bindings |
| Date | 2016-11-17 12:50 +0100 |
| Message-ID | <sEtmx-7P-11@gated-at.bofh.it> (permalink) |
| References | <sEtmx-7P-13@gated-at.bofh.it> <sEtmx-7P-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 11/17/2016 12:48 AM, Peter Rosin wrote: > --- > .../bindings/iio/multiplexer/iio-mux.txt | 59 ++++++++++++++++++++++ > 1 file changed, 59 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/multiplexer/iio-mux.txt > > diff --git a/Documentation/devicetree/bindings/iio/multiplexer/iio-mux.txt b/Documentation/devicetree/bindings/iio/multiplexer/iio-mux.txt > new file mode 100644 > index 000000000000..2f5c7fc35a42 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/multiplexer/iio-mux.txt > @@ -0,0 +1,59 @@ > +IIO multiplexer bindings > + > +If a multiplexer is used to select when hardware signal is fed to > +e.g. an ADC channel, these bindings describe that situation. > + > +Required properties: > +- compatible : "iio-mux" > +- io-channels : Channel node of the parent channel that has multiplexed > + input. > +- io-channel-names : Should be "parent". > +- control-muxes : Node of the multiplexer that controls the input signal. > +- control-mux-names : Should be "mux". > +- #address-cells = <1>; > +- #size-cells = <0>; > + > +Required properties for iio-mux child nodes: > +- reg : The multiplexer number. > + > +Optional properties for iio-mux child nodes: > +- iio-ext-info : Array of string pairs, the first item in each pair is the > + iio ext_info attribute name, and the second item in each > + pair is the iio ext_info value for that attribute. The > + mux will write these ext_info values to the corresponding > + ext_info attributes on every multiplexer switch. This can't go into the devicetree in its current form as it exposes implementation details of the Linux kernel drivers.
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Re: [RFC PATCH 4/7] dt-bindings: iio: iio-mux: document iio-mux bindings Lars-Peter Clausen <lars@metafoo.de> - 2016-11-17 12:50 +0100
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