linux-kernel - Re: [PATCH 4/5] dt-bindings: remoteproc: qcom,glink-rpm-edge: convert to DT schema

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Date:   Wed, 8 Feb 2023 10:51:12 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] dt-bindings: remoteproc: qcom,glink-rpm-edge: convert
 to DT schema

On 07/02/2023 19:42, Rob Herring wrote:
> On Tue, Feb 07, 2023 at 10:08:51AM +0100, Krzysztof Kozlowski wrote:
>> Convert Qualcomm G-Link RPM edge binding to DT schema.  Move it to
>> remoteproc as it better suits the purpose - communication channel with
>> remote processor.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> ---
>>  .../remoteproc/qcom,glink-rpm-edge.yaml       | 92 ++++++++++++++++++
>>  .../bindings/soc/qcom/qcom,glink.txt          | 94 -------------------
>>  2 files changed, 92 insertions(+), 94 deletions(-)
>>  create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml
>>  delete mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt
>>
>> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml
>> new file mode 100644
>> index 000000000000..07cd67ec97c1
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml
>> @@ -0,0 +1,92 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/remoteproc/qcom,glink-rpm-edge.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm G-Link RPM edge
>> +
>> +description: |
>> +  Qualcomm G-Link edge, a FIFO based mechanism for communication with Resource
>> +  Power Manager (RPM) on various Qualcomm platforms.
>> +
>> +maintainers:
>> +  - Bjorn Andersson <andersson@...nel.org>
>> +
>> +properties:
>> +  compatible:
>> +    const: qcom,glink-rpm
>> +
>> +  label:
>> +    $ref: /schemas/types.yaml#/definitions/string
>> +    description:
>> +      Name of the edge, used for debugging and identification purposes. The
>> +      node name will be used if this is not present.
>> +
>> +  interrupts:
>> +    maxItems: 1
>> +
>> +  mboxes:
>> +    items:
>> +      - description: rpm_hlos mailbox in APCS
>> +
>> +  qcom,remote-pid:
>> +    $ref: /schemas/types.yaml#/definitions/uint32
>> +    description:
>> +      The identifier for the remote processor as known by the rest of the
>> +      system.
>> +
>> +  qcom,rpm-msg-ram:
>> +    $ref: /schemas/types.yaml#/definitions/phandle
>> +    description: |
>> +      RPM message memory resource (compatible:: qcom,rpm-msg-ram).
> 
> '::' is not a thing in YAML.

ack

> 
>> +
>> +  rpm-requests:
>> +    type: object
>> +    $ref: /schemas/soc/qcom/qcom,smd-rpm.yaml#
>> +    unevaluatedProperties: false
>> +    description:
>> +      Qualcomm Resource Power Manager (RPM) over G-Link
>> +
>> +    properties:
>> +      qcom,intents:
>> +        $ref: /schemas/types.yaml#/definitions/uint32-array
>> +        description:
>> +          List of (size, amount) pairs describing what intents should be
> 
> pairs? Sounds like a matrix then.

I'll fix also second appearance of this property
(bindings/soc/qcom/qcom,apr.yaml)

Best regards,
Krzysztof