Re: [PATCH v2 2/7] dt-bindings: clock: renesas,r9a06g032-sysctrl: Add h2mode property

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On 15/11/2022 14:05, Krzysztof Kozlowski wrote:
> On 14/11/2022 12:15, Herve Codina wrote:
>> Add the h2mode property to force the USBs mode ie:
>>  - 2 hosts
>> or
>>  - 1 host and 1 device
>>
>> Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx>
>> ---
>>  .../bindings/clock/renesas,r9a06g032-sysctrl.yaml      | 10 ++++++++++
>>  1 file changed, 10 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.yaml b/Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.yaml
>> index 95bf485c6cec..f9e0a58aa4fb 100644
>> --- a/Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.yaml
>> +++ b/Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.yaml
>> @@ -39,6 +39,16 @@ properties:
>>    '#power-domain-cells':
>>      const: 0
>>  
>> +  renesas,h2mode:
>> +    description: |
>> +      Configure the USBs mode.
>> +        - <0> : the USBs are in 1 host and 1 device mode.
>> +        - <1> : the USBs are in 2 host mode.
>> +      If the property is not present, the value used is the one already present
>> +      in the CFG_USB register (from reset or set by the bootloader).
>> +    $ref: /schemas/types.yaml#/definitions/uint32
>> +    enum: [0, 1]
> 
> 0/1 are quite cryptic. Why not making it a string which is easy to read
> and understand? Can be something like "two-hosts" and "one-host". Or
> anything you find more readable...

...but actually you should rather make it a property of your USB
controller, not clock controller. You have two controllers and we have a
generic property for them - dr_mode.

Best regards,
Krzysztof




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