[PATCH v5 1/5] dt-bindings: connector: add typec-power-opmode property to usb-connector

Amelie DELAUNAY amelie.delaunay at st.com
Mon Nov 9 10:54:42 EST 2020


On 11/9/20 4:03 PM, Rob Herring wrote:
> On Fri, Nov 6, 2020 at 10:58 AM Amelie Delaunay <amelie.delaunay at st.com> wrote:
>>
>> Power operation mode may depends on hardware design, so, add the optional
>> property typec-power-opmode for usb-c connector to select the power
>> operation mode capability.
>>
>> Signed-off-by: Amelie Delaunay <amelie.delaunay at st.com>
>> ---
>> Hi Bahdri, Rob,
>>
>> I've added the exlusion with FRS property, but new FRS property name
>> should be use here so, be careful.
>>
>> ---
>>   .../bindings/connector/usb-connector.yaml     | 24 +++++++++++++++++++
>>   1 file changed, 24 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml
>> index 62781518aefc..a84464b3e1f2 100644
>> --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml
>> +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml
>> @@ -93,6 +93,24 @@ properties:
>>         - device
>>         - dual
>>
>> +  typec-power-opmode:
>> +    description: Determines the power operation mode that the Type C connector
>> +      will support and will advertise through CC pins when it has no power
>> +      delivery support.
>> +      - "default" corresponds to default USB voltage and current defined by the
>> +        USB 2.0 and USB 3.2 specifications, 5V 500mA for USB 2.0 ports and
>> +        5V 900mA or 1500mA for USB 3.2 ports in single-lane or dual-lane
>> +        operation respectively.
>> +      - "1.5A" and "3.0A", 5V 1.5A and 5V 3.0A respectively, as defined in USB
>> +        Type-C Cable and Connector specification, when Power Delivery is not
>> +        supported.
>> +    allOf:
>> +      - $ref: /schemas/types.yaml#definitions/string
>> +    enum:
>> +      - default
>> +      - 1.5A
>> +      - 3.0A
> 
> Use the enums here. Unless you want to define it as actual current as
> a numerical value.

If I understand your point correctly, I think I should remove allOf here 
and stick with what is done to describe power-role and data-role 
property. Right ?

Regards,
Amelie
> 
> Rob
> 



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