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SubjectRe: [PATCH v3 1/2] dt-bindings: soundwire: add bindings for Qcom controller
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On 15/10/2019 12:35, Rob Herring wrote:
> On Mon, Oct 14, 2019 at 12:34 PM Srinivas Kandagatla
> <srinivas.kandagatla@linaro.org> wrote:
>>
>> Thanks Rob for taking time to review,
>>
>> On 14/10/2019 18:12, Rob Herring wrote:
>>> On Fri, Oct 11, 2019 at 04:44:22PM +0100, Srinivas Kandagatla wrote:
>>>> This patch adds bindings for Qualcomm soundwire controller.
>>>>
>>>> Qualcomm SoundWire Master controller is present in most Qualcomm SoCs
>>>> either integrated as part of WCD audio codecs via slimbus or
>>>> as part of SOC I/O.
>>>>
>>>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
>>>> ---
>>>> .../bindings/soundwire/qcom,sdw.txt | 167 ++++++++++++++++++
>>>> 1 file changed, 167 insertions(+)
>>>> create mode 100644 Documentation/devicetree/bindings/soundwire/qcom,sdw.txt
>>>
>>> Next time, do a DT schema.
>>>
>> Sure! I can do that in next version!
>
> I meant the next binding you write, not v4. However, ...
>
> [...]
>
>>>> += SoundWire devices
>>>> +Each subnode of the bus represents SoundWire device attached to it.
>>>> +The properties of these nodes are defined by the individual bindings.
>>>
>>> Is there some sort of addressing that needs to be defined?
>>>
>> Thanks, Looks like I missed that here.
>>
>> it should be something like this,
>>
>> #address-cells = <2>;
>> #size-cells = <0>;
>>
>> Will add the in next version.
>
> You need a common soundwire binding for this. You also need to define
> the format of 'reg' and unit addresses. And it needs to be a schema.
> So perhaps this binding too should be.

We already have a common SoundWire bindings in mainline for this

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/soundwire/soundwire-controller.yaml?h=v5.4-rc3

Should this binding just make a reference to it instead of duplicating
this same info here?

--srini


>
> Rob
>

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