Re: [PATCH v3 1/7] dt-bindings: soc: qcom: Add qcom,pbs bindings

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On 17/08/2023 18:26, Rob Herring wrote:
> On Tue, Aug 15, 2023 at 10:36:39PM +0200, Krzysztof Kozlowski wrote:
>> On 15/08/2023 01:59, Anjelique Melendez wrote:
>>> Add binding for the Qualcomm Programmable Boot Sequencer device.
>>>
>>> Signed-off-by: Anjelique Melendez <quic_amelende@xxxxxxxxxxx>
>>> ---
>>>  .../bindings/soc/qcom/qcom,pbs.yaml           | 46 +++++++++++++++++++
>>>  1 file changed, 46 insertions(+)
>>>  create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,pbs.yaml
>>>
>>> diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,pbs.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,pbs.yaml
>>> new file mode 100644
>>> index 000000000000..b502ca72266a
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,pbs.yaml
>>> @@ -0,0 +1,46 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/soc/qcom/qcom,pbs.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Qualcomm Technologies, Inc. Programmable Boot Sequencer
>>> +
>>> +maintainers:
>>> +  - Anjelique Melendez <quic_amelende@xxxxxxxxxxx>
>>> +
>>> +description: |
>>> +  The Qualcomm Technologies, Inc. Programmable Boot Sequencer (PBS)
>>> +  supports triggering power up and power down sequences for clients
>>> +  upon request.
>>> +
>>> +properties:
>>> +  compatible:
>>> +    items:
>>> +      - enum:
>>> +          - qcom,pmi632-pbs
>>> +      - const: qcom,pbs
>>> +
>>> +  reg:
>>> +    maxItems: 1
>>> +
>>> +required:
>>> +  - compatible
>>> +  - reg
>>> +
>>> +additionalProperties: false
>>> +
>>> +examples:
>>> +  - |
>>> +    #include <dt-bindings/spmi/spmi.h>
>>> +
>>> +    pmic@0 {
>>
>> This should be rather just "pmic", because the examples have
>> address-cells=1 and size-cells=1, which is not correct in this context.
> 
> But there's a 'reg' property so you can't drop the unit-address. The bus 
> node (spmi) needs to be added.

reg also can be dropped. I am not sure whether parent PMIC bus is
important here.

Best regards,
Krzysztof




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