linux-kernel - Re: [PATCH v2 02/13] dt-bindings: remoteproc: qcom: pas: Add QMP bindings

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Message-ID: <cbf3f5b190f9ea15a2246dc836513b46@codeaurora.org>
Date:   Tue, 22 Jun 2021 12:53:17 +0530
From:   Sibi Sankar <sibis@...eaurora.org>
To:     Rob Herring <robh@...nel.org>
Cc:     bjorn.andersson@...aro.org, mathieu.poirier@...aro.org,
        swboyd@...omium.org, ulf.hansson@...aro.org, rjw@...ysocki.net,
        agross@...nel.org, ohad@...ery.com, linux-arm-msm@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dianders@...omium.org,
        rishabhb@...eaurora.org, sidgup@...eaurora.org
Subject: Re: [PATCH v2 02/13] dt-bindings: remoteproc: qcom: pas: Add QMP
 bindings

Hey Rob,
Thanks for the review.

On 2021-06-19 01:55, Rob Herring wrote:
> On Mon, Jun 07, 2021 at 09:09:21PM +0530, Sibi Sankar wrote:
>> Add Qualcomm Mailbox Protocol (QMP) binding to replace the power 
>> domains
>> exposed by the AOSS QMP node.
>> 
>> Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
>> ---
>> 
>> v2:
>>  * Drop R-b from Rob/Stephen due to yaml conversion.
>> 
>>  .../devicetree/bindings/remoteproc/qcom,adsp.yaml  | 40 
>> +++++++++++++++-------
>>  1 file changed, 27 insertions(+), 13 deletions(-)
>> 
>> diff --git 
>> a/Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml 
>> b/Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml
>> index 9ea05e608bc1..b6396bc07388 100644
>> --- a/Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml
>> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml
>> @@ -89,6 +89,10 @@ properties:
>>      maxItems: 1
>>      description: Reference to the reserved-memory for the Hexagon 
>> core
>> 
>> +  qcom,qmp:
> 
> Is there more than one QMP? If not just search for the QMP node and you
> can avoid the ABI issue at least partially.

yeah there is just one qmp node
used by all remote processors and
we just search for the qmp node.

> 
>> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> 
> There's more than 1 cell? What's in them?

Just a single cell i.e. handle to the
qmp node. I'll fix this in the re-spin.

> 
>> +    description: Reference to the AOSS side-channel message RAM.
>> +
>>    qcom,smem-states:
>>      $ref: /schemas/types.yaml#/definitions/phandle-array
>>      description: States used by the AP to signal the Hexagon core
>> @@ -359,13 +363,11 @@ allOf:
>>        properties:
>>          power-domains:
>>            items:
>> -            - description: Load State power domain
>>              - description: CX power domain
>>              - description: MX power domain
>>              - description: MSS power domain
>>          power-domain-names:
>>            items:
>> -            - const: load_state
>>              - const: cx
>>              - const: mx
>>              - const: mss
>> @@ -381,12 +383,7 @@ allOf:
>>        properties:
>>          power-domains:
>>            items:
>> -            - description: Load State power domain
>>              - description: CX power domain
>> -        power-domain-names:
>> -          items:
>> -            - const: load_state
>> -            - const: cx
>> 
>>    - if:
>>        properties:
>> @@ -399,12 +396,10 @@ allOf:
>>        properties:
>>          power-domains:
>>            items:
>> -            - description: Load State power domain
>>              - description: CX power domain
>>              - description: MSS power domain
>>          power-domain-names:
>>            items:
>> -            - const: load_state
>>              - const: cx
>>              - const: mss
>> 
>> @@ -439,12 +434,10 @@ allOf:
>>        properties:
>>          power-domains:
>>            items:
>> -            - description: Load State power domain
>>              - description: LCX power domain
>>              - description: LMX power domain
>>          power-domain-names:
>>            items:
>> -            - const: load_state
>>              - const: lcx
>>              - const: lmx
>> 
>> @@ -458,12 +451,10 @@ allOf:
>>        properties:
>>          power-domains:
>>            items:
>> -            - description: Load State power domain
>>              - description: CX power domain
>>              - description: MXC power domain
>>          power-domain-names:
>>            items:
>> -            - const: load_state
>>              - const: cx
>>              - const: mxc
>> 
>> @@ -499,6 +490,29 @@ allOf:
>>              - const: mss_restart
>>              - const: pdc_reset
>> 
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            enum:
>> +              - qcom,sc7180-mpss-pas
>> +              - qcom,sm8150-adsp-pas
>> +              - qcom,sm8150-cdsp-pas
>> +              - qcom,sm8150-mpss-pas
>> +              - qcom,sm8150-slpi-pas
>> +              - qcom,sm8250-adsp-pas
>> +              - qcom,sm8250-cdsp-pas
>> +              - qcom,sm8250-slpi-pas
>> +              - qcom,sm8350-adsp-pas
>> +              - qcom,sm8350-cdsp-pas
>> +              - qcom,sm8350-mpss-pas
>> +              - qcom,sm8350-slpi-pas
>> +    then:
>> +      properties:
>> +        qcom,qmp:
>> +          items:
>> +            - description: Reference to the AOSS side-channel message 
>> RAM.
>> +
>>  examples:
>>    - |
>>      #include <dt-bindings/clock/qcom,rpmcc.h>
>> --
>> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora 
>> Forum,
>> a Linux Foundation Collaborative Project
>> 
>> 

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project.