linux-kernel - Re: [PATCH v2 06/12] dt-bindings: media: venus: Convert msm8916 to DT schema

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Date:   Thu, 19 Dec 2019 16:11:10 +0200
From:   Stanimir Varbanov <stanimir.varbanov@...aro.org>
To:     Rob Herring <robh@...nel.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>
Cc:     linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        devicetree@...r.kernel.org,
        Vikash Garodia <vgarodia@...eaurora.org>,
        dikshita@...eaurora.org
Subject: Re: [PATCH v2 06/12] dt-bindings: media: venus: Convert msm8916 to DT
 schema

Hi Rob,

Thanks for the review!

On 12/19/19 12:51 AM, Rob Herring wrote:
> On Wed, Dec 18, 2019 at 7:24 AM Stanimir Varbanov
> <stanimir.varbanov@...aro.org> wrote:
>>
>> Convert qcom,msm8916-venus Venus binding to DT schema
>>
>> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
>> ---
>>  .../bindings/media/qcom,venus-msm8916.yaml    | 115 ++++++++++++++++++
>>  1 file changed, 115 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/media/qcom,venus-msm8916.yaml
> 
> Make the filename match the compatible.
> 
>>
>> diff --git a/Documentation/devicetree/bindings/media/qcom,venus-msm8916.yaml b/Documentation/devicetree/bindings/media/qcom,venus-msm8916.yaml
>> new file mode 100644
>> index 000000000000..f82a8d968202
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/media/qcom,venus-msm8916.yaml
>> @@ -0,0 +1,115 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +
>> +%YAML 1.2
>> +---
>> +$id: "http://devicetree.org/schemas/media/qcom,venus-msm8916.yaml#"
>> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
>> +
>> +title: Qualcomm Venus video encode and decode accelerators
>> +
>> +maintainers:
>> +  - Stanimir Varbanov <stanimir.varbanov@...aro.org>
>> +
>> +description: |
>> +  The Venus IP is a video encode and decode accelerator present
>> +  on Qualcomm platforms
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - qcom,msm8916-venus
> 
> Not likely a 2nd compatible here?, so you can use 'const' instead.

I don't expect more compatibles here. I split every compatible on
separate .yaml file to make bindings clearer.

> 
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  interrupts:
>> +    maxItems: 1
>> +
>> +  power-domains:
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    maxItems: 3
>> +
>> +  clock-names:
>> +    maxItems: 3
> 
> Don't need this. Implied with the length of 'items'.
> 
>> +    items:
>> +      - const: core
>> +      - const: iface
>> +      - const: bus
>> +
>> +  iommus:
>> +    minItems: 1
>> +    maxItems: 20
>> +
>> +  memory-region:
>> +    maxItems: 1
>> +
>> +  video-decoder:
>> +    type: object
>> +
>> +    properties:
>> +      compatible:
>> +        const: "venus-decoder"
>> +
>> +    required:
>> +      - compatible
> 
>        additionalProperties: false
> 
>> +
>> +  video-encoder:
>> +    type: object
>> +
>> +    properties:
>> +      compatible:
>> +        const: "venus-encoder"
>> +
>> +    required:
>> +      - compatible
> 
> Here too.

I guess the above comments are valid for the the other DT schema
conversions in this series? If so I'll correct them as well in next version.

-- 
regards,
Stan