linux-kernel - Re: [PATCH V2 3/4] dt-bindings: power: reset: qcom-pon: Convert qcom PON binding to yaml

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Date:   Tue, 27 Apr 2021 11:45:44 +0530
From:   skakit@...eaurora.org
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        David Collins <collinsd@...eaurora.org>, kgunda@...eaurora.org,
        Vinod Koul <vkoul@...nel.org>,
        Courtney Cavin <courtney.cavin@...ymobile.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH V2 3/4] dt-bindings: power: reset: qcom-pon: Convert qcom
 PON binding to yaml

Hi Sebastian,

On 2021-04-09 13:48, skakit@...eaurora.org wrote:
> Hi Sebastian,
> 
> On 2021-04-08 18:30, Sebastian Reichel wrote:
>> Hi,
>> 
>> On Thu, Apr 08, 2021 at 05:01:08PM +0530, satya priya wrote:
>>> Convert qcom PON binding from .txt to .yaml format.
>>> 
>>> Signed-off-by: satya priya <skakit@...eaurora.org>
>>> ---
>> 
>> Thanks for doing this.
>> 
>>> Changes in V2:
>>>  - As per Rob's comments, converted the main PON binding and added in 
>>> V2.
>>> 
[...]
>>> +  reg:
>>> +    description: Specifies the physical address of the pon register
>> 
>> That description is obvious and pointless. Instead add
>> 
>> maxItems: 1
>> 
> 
> Okay.
> 
>>> +  pwrkey:
>>> +    type: object
>>> +    $ref: "../../input/qcom,pm8941-pwrkey.yaml#"
>>> +
>>> +  resin:
>>> +    type: object
>>> +    $ref: "../../input/qcom,pm8941-pwrkey.yaml#"
>>> +
>>> +required:
>>> +  - compatible
>>> +  - reg
>>> +
>>> +additionalProperties: true
>> 
>> Instead of allowing arbitrary properties, only valid modes
>> should be allowed. So drop additionalProperties and do this
>> instead:
>> 
>> allOf:
>>   - $ref: reboot-mode.yaml#
>> 
>> unevaluatedProperties: false
>> 
> 
> Okay.
> 

I am not able to use 'allOf' to refer reboot-mode.yaml as some of the 
properties do not match with reboot-mode.yaml properties. Can we use 
oneOf like below?

oneOf:
   - $ref: "reboot-mode.yaml#"
   - $ref: "../../input/qcom,pm8941-pwrkey.yaml#"

Also, If I drop additionalProperties I am getting below error.

kernel/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml: 
'additionalProperties' is a required property

Thanks,
Satya Priya