Re: [PATCH v13 1/2] dt-bindings: proximity: provide vcnl3020 device tree binding document
From: Jonathan Cameron
Date: Sun May 10 2020 - 04:37:41 EST
On 9 May 2020 11:38:46 BST, Ivan Mikhaylov <i.mikhaylov@xxxxxxxxx> wrote:
>On Fri, 2020-05-08 at 15:51 +0100, Jonathan Cameron wrote:
>> On Thu, 7 May 2020 16:25:59 +0300
>> Ivan Mikhaylov <i.mikhaylov@xxxxxxxxx> wrote:
>>
>> > Mostly standard i2c driver with some additional led-current option
>> > for vcnl3020.
>> >
>> > Signed-off-by: Ivan Mikhaylov <i.mikhaylov@xxxxxxxxx>
>> > ---
>> > .../iio/proximity/vishay,vcnl3020.yaml | 65
>+++++++++++++++++++
>> > 1 file changed, 65 insertions(+)
>> > create mode 100644
>> >
>Documentation/devicetree/bindings/iio/proximity/vishay,vcnl3020.yaml
>> >
>> > diff --git
>> >
>a/Documentation/devicetree/bindings/iio/proximity/vishay,vcnl3020.yaml
>> >
>b/Documentation/devicetree/bindings/iio/proximity/vishay,vcnl3020.yaml
>> > new file mode 100644
>> > index 000000000000..408dee17cdf5
>> > --- /dev/null
>> > +++
>b/Documentation/devicetree/bindings/iio/proximity/vishay,vcnl3020.yaml
>> > @@ -0,0 +1,65 @@
>> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> > +%YAML 1.2
>> > +---
>> > +$id:
>http://devicetree.org/schemas/iio/proximity/vishay,vcnl3020.yaml#
>> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> > +
>> > +title: Integrated Proximity Sensor With Infrared Emitter
>> > +
>> > +maintainers:
>> > + - Ivan Mikhaylov <i.mikhaylov@xxxxxxxxx>
>> > +
>> > +description: |
>> > + The VCNL3020 is a fully integrated proximity sensor. Fully
>integrated
>> > means
>> > + that the infrared emitter is included in the package. It has
>16-bit
>> > + resolution. It includes a signal processing IC and features
>standard I2C
>> > + communication interface. It features an interrupt function.
>> > +
>> > + Specifications about the devices can be found at:
>> > + https://www.vishay.com/docs/84150/vcnl3020.pdf
>> > +
>> > +properties:
>> > + compatible:
>> > + enum:
>> > + - vishay,vcnl3020
>> > +
>> > + reg:
>> > + maxItems: 1
>> > +
>> > + interrupts:
>> > + maxItems: 1
>> > +
>> > + vdd-supply:
>> > + description: Regulator that provides power to the sensor
>> > +
>> > + vddio-supply:
>> > + description: Regulator that provides power to the bus
>> > +
>> > + vishay,led-current-microamp:
>> > + description:
>> > + IR LED current value with valid Range = 0 to 20d. e.g. 0 = 0
>mA,
>> > + 1 = 10 mA, 20 = 200 mA. LED Current is limited to 200 mA for
>values
>> > + higher than decimal 20. The drive current for the LED used
>in
>> > proximity
>> > + sensing.
>>
>> This text is really confusing. Just let the enum speak for itself and
>leave
>> text as
>> something short like
>>
>> "The driver current for the LED used in proximity sensing. "
>>
>> Units and values are clear already.
>>
>
>Jonathan, just to double check, for preventing further problems with
>misunderstanding, is that what you want?
>
> vishay,led-current-microamp:
> description:
> The driver current for the LED used in proximity sensing.
>
> enum: [0..200000] <- just for shortening
> default: 20000
>
>Thanks.
Yes
J
--
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