Re: [PATCH v3 2/3] dt-bindings: soc: ti: am645-system-controller: add child nodes used by main domain

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On 13.08.24 17:40, Conor Dooley wrote:
> On Tue, Aug 13, 2024 at 08:04:59AM +0200, Jan Kiszka wrote:
>> From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
>>
>> Expand bindings to cover both the MCU and the main usage of the AM654
>> system controller.
>>
>> Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
>> ---
>>  .../soc/ti/ti,am654-system-controller.yaml    | 25 +++++++++++++++++++
>>  1 file changed, 25 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/soc/ti/ti,am654-system-controller.yaml b/Documentation/devicetree/bindings/soc/ti/ti,am654-system-controller.yaml
>> index e79803e586ca..5a689ec3c5c9 100644
>> --- a/Documentation/devicetree/bindings/soc/ti/ti,am654-system-controller.yaml
>> +++ b/Documentation/devicetree/bindings/soc/ti/ti,am654-system-controller.yaml
>> @@ -29,11 +29,36 @@ properties:
>>  
>>    ranges: true
>>  
>> +  mux-controller:
>> +    type: object
>> +    ref: /schemas/mux/reg-mux.yaml#
>> +    description:
>> +      This is the SERDES lane control mux.
>> +
>>  patternProperties:
>>    "^phy@[0-9a-f]+$":
>>      type: object
>>      $ref: /schemas/phy/ti,phy-gmii-sel.yaml#
>>  
>> +  "^clock@[0-9a-f]+$":
> 
> Could you explain to me why these are all patternProperties? Why are the
> addresses of these things not fixed for an am654?
> 

I could indeed spell out dss-oldi-io-ctrl@41e0 and
clock-controller@4140, and their addresses are likely fixed, indeed. But
there are also clock@4080 and clock@4090 - should I duplicate their
object descriptions while moving them to the regular properties?

Jan

>> +    type: object
>> +    $ref: /schemas/soc/ti/ti,am654-serdes-ctrl.yaml#
>> +
>> +  "^dss-oldi-io-ctrl@[0-9a-f]+$":
>> +    type: object
>> +    $ref: /schemas/mfd/syscon.yaml#
>> +    properties:
>> +      compatible:
>> +        items:
>> +          - const: ti,am654-dss-oldi-io-ctrl
>> +          - const: syscon
>> +
>> +  "^clock-controller@[0-9a-f]+$":
>> +    type: object
>> +    $ref: /schemas/clock/ti,am654-ehrpwm-tbclk.yaml#
>> +    description:
>> +      Clock provider for TI EHRPWM nodes.
>> +
>>  required:
>>    - compatible
>>    - reg
>> -- 
>> 2.43.0
>>

-- 
Siemens AG, Technology
Linux Expert Center





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