linux-kernel - Re: [PATCHv3 1/2] dt-bindings: usb: typec: anx7688: start a binding document

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Date: Mon, 8 Apr 2024 13:59:12 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Ondřej Jirman <megi@....cz>, Pavel Machek
 <pavel@....cz>, phone-devel@...r.kernel.org,
 kernel list <linux-kernel@...r.kernel.org>, fiona.klute@....de,
 martijn@...xit.nl, samuel@...lland.org, heikki.krogerus@...ux.intel.com,
 gregkh@...uxfoundation.org, linux-usb@...r.kernel.org, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, devicetree@...r.kernel.org
Subject: Re: [PATCHv3 1/2] dt-bindings: usb: typec: anx7688: start a binding
 document

On 08/04/2024 13:52, Ondřej Jirman wrote:
> On Mon, Apr 08, 2024 at 01:24:03PM GMT, Krzysztof Kozlowski wrote:
>> On 08/04/2024 13:21, Pavel Machek wrote:
>>> Hi!
>>>
>>>>> Add binding for anx7688 usb type-c bridge. I don't have a datasheet,
>>>>> but I did best I could.
>>>>>
>>>>> Signed-off-by: Pavel Machek <pavel@....cz>
>>>>
>>>> ...
>>>>
>>>>> +  cabledet-gpios:
>>>>> +    maxItems: 1
>>>>> +    description: GPIO controlling CABLE_DET (C3) pin.
>>>>> +
>>>>> +  avdd10-supply:
>>>>> +    description: 1.0V power supply going to AVDD10 (A4, ...) pins
>>>>> +
>>>>> +  dvdd10-supply:
>>>>> +    description: 1.0V power supply going to DVDD10 (D6, ...) pins
>>>>> +
>>>>> +  avdd18-supply:
>>>>> +    description: 1.8V power supply going to AVDD18 (E3, ...) pins
>>>>> +
>>>>> +  dvdd18-supply:
>>>>> +    description: 1.8V power supply going to DVDD18 (G4, ...) pins
>>>>> +
>>>>> +  avdd33-supply:
>>>>> +    description: 3.3V power supply going to AVDD33 (C4, ...) pins
>>>>> +
>>>>> +  i2c-supply: true
>>>>> +  vconn-supply: true
>>>>
>>>> There are no such supplies like i2c and vconn on the schematics.
>>>>
>>>> I think this represents some other part of component which was added
>>>> here only for convenience.
>>>
>>> Can you give me pointer to documentation you are looking at?
>>
>> The schematics you linked in the document at the beginning. Page 13. Do
>> you see these pins there? I saw only VCONN1_EN, but that's not a supply.
> 
> The supply is U1308.

That's not a supply to anx7688.

Best regards,
Krzysztof