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

Sibi Sankar
2021-06-22T07:23:32Z

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@codeaurora.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.