Re: [PATCH 0/5] Add support for Battery Status & Battery Caps AMS in TCPM

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On 20/03/2025 22:11, Amit Sunil Dhamne wrote:
> On 3/16/25 9:52 AM, Krzysztof Kozlowski wrote:
>> On 15/03/2025 01:49, Amit Sunil Dhamne wrote:
>>> Hi Krzysztof,
>>>
>>> Thanks for the review!
>>>
>>> On 3/13/25 1:50 AM, Krzysztof Kozlowski wrote:
>>>> On Wed, Mar 12, 2025 at 04:42:00PM -0700, Amit Sunil Dhamne wrote:
>>>>> Support for Battery Status & Battery Caps messages in response to
>>>>> Get_Battery_Status & Get_Battery_Cap request is required by USB PD devices
>>>>> powered by battery, as per "USB PD R3.1 V1.8 Spec", "6.13 Message
>>>>> Applicability" section. This patchset adds support for these AMSes
>>>>> to achieve greater compliance with the spec.
>>>> Which board uses it? I would be happy to see that connection between
>>>> batteries and USB connector on the schematics of some real device. How
>>>> does it look like?
>>> Any board that uses a USB Type-C connector that supplies power into or
>> If you keep responding like this, you will got nowhere, so let me
>> re-iterate:
>>
>> Which upstream DTS (or upstream supported hardware) is going to use this
>> binding, so I can see how you are going to implement it there in the
>> entire system?
> 
> This is for maxim,max33359 Type-C controller.

Stop deflecting the questions. max33359 is not a board. I already asked
two times.

Apparently admitting "no upstream users" is impossible, so let's state
the obvious:

There are no upstream users of this.

> 
> This would property would have been present for the connector present in 
> the typec device for gs101-oriole board (that uses the max33359 
> controller).


But it is not.


> 
> However, I will be exploring existing bindings to describe the 
> relationship for now.
> 
>>> out of a battery while operating in sink or source mode respectively.
>>> The VBUS is connected to the (battery + buck boost IC's CHGin/Vin) or a
>>> companion IFPMIC connected to a battery.  In our board we have USB
>>> Connector <-> IFPMIC <-> Battery.
>> Which board is that?
> 
> gs101-oriole board.


Then why this is not used? The board was released some years ago, so I
do not see a problem in using it.

Best regards,
Krzysztof




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