linux-kernel - Re: [PATCH 2/3] dt-bindings: Document ltrf216a light sensor bindings

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Date:   Sun, 27 Mar 2022 22:49:20 -0400
From:   Gabriel Krisman Bertazi <krisman@...labora.com>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     Shreeya Patel <shreeya.patel@...labora.com>, lars@...afoo.de,
        robh+dt@...nel.org, Zhigang.Shi@...eon.com,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...labora.com,
        alvaro.soliverez@...labora.com
Subject: Re: [PATCH 2/3] dt-bindings: Document ltrf216a light sensor bindings

Jonathan Cameron <jic23@...nel.org> writes:

> On Fri, 25 Mar 2022 16:00:13 +0530
> Shreeya Patel <shreeya.patel@...labora.com> wrote:
>
>> Add devicetree bindings for ltrf216a ambient light sensor
>> 
>> Signed-off-by: Shreeya Patel <shreeya.patel@...labora.com>
> Hi Shreeya,
>
> As we are making this Zhigang Shi's problem to maintain, I'm 
> looking for an ack.  Bit mean otherwise :)

Alternatively, Shreeya could take over the maintainership of this
schema, since she wrote it. :)

>
> Except for the deprecated part this could just have gone in
> trivial-bindings.yaml.
>
> I guess you don't need it for your existing board, but best
> practice would probably include ensuring whatever supplies
> the device needs are here so that platforms that don't enable
> them by default can turn them on.
>
> Also, there is an interrupt according to the datasheet linked
> from patch 3 and that should definitely be in the binding
> even if the driver isn't using it.
>
> Jonathan
>
>
>> ---
>>  .../bindings/iio/light/liteon,ltrf216a.yaml   | 42 +++++++++++++++++++
>>  1 file changed, 42 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/iio/light/liteon,ltrf216a.yaml
>> 
>> diff --git a/Documentation/devicetree/bindings/iio/light/liteon,ltrf216a.yaml b/Documentation/devicetree/bindings/iio/light/liteon,ltrf216a.yaml
>> new file mode 100644
>> index 000000000000..275d86a0353a
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/iio/light/liteon,ltrf216a.yaml
>> @@ -0,0 +1,42 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/iio/light/liteon,ltrf216a.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: LTRF216A Ambient Light Sensor
>> +
>> +maintainers:
>> +  - Zhigang Shi <Zhigang.Shi@...eon.com>
>> +
>> +description: |
>> +  Ambient sensing with an i2c interface.
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - liteon,ltrf216a
>> +      - ltr,ltrf216a
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    i2c {
>> +
>> +        #address-cells = <1>;
>> +        #size-cells = <0>;
>> +
>> +        light-sensor@53 {
>> +                compatible = "ltr,ltrf216a";
>> +                reg = <0x53>;
>> +        };
>> +    };
>> +...
>

-- 
Gabriel Krisman Bertazi