linux-kernel - Re: [PATCH 3/6] dt-bindings: usb: maxim,max33359: Add supply property for VBUS in OTG mode

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Message-ID: <1be015d7-201b-4e3a-a71a-130162205e5e@google.com>
Date: Wed, 26 Nov 2025 12:27:15 -0800
From: Amit Sunil Dhamne <amitsd@...gle.com>
To: André Draszik <andre.draszik@...aro.org>,
 Krzysztof Kozlowski <krzk@...nel.org>
Cc: Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Badhri Jagan Sridharan <badhri@...gle.com>,
 Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
 Peter Griffin <peter.griffin@...aro.org>,
 Tudor Ambarus <tudor.ambarus@...aro.org>,
 Alim Akhtar <alim.akhtar@...sung.com>, linux-kernel@...r.kernel.org,
 linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-usb@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-samsung-soc@...r.kernel.org, RD Babiera <rdbabiera@...gle.com>,
 Kyle Tso <kyletso@...gle.com>
Subject: Re: [PATCH 3/6] dt-bindings: usb: maxim,max33359: Add supply property
 for VBUS in OTG mode


On 11/26/25 8:18 AM, André Draszik wrote:
> On Tue, 2025-11-25 at 12:13 -0800, Amit Sunil Dhamne wrote:
>> Hi Krzysztof,
>>
>> On 11/23/25 11:53 PM, Krzysztof Kozlowski wrote:
>>> On Sun, Nov 23, 2025 at 08:35:50AM +0000, Amit Sunil Dhamne wrote:
>>>> Add a regulator supply property for VBUS when usb is in OTG mode.
>>>>
>>>> Signed-off-by: Amit Sunil Dhamne <amitsd@...gle.com>
>>>> Reviewed-by: Badhri Jagan Sridharan <badhri@...gle.com>
>>>> ---
>>>>    Documentation/devicetree/bindings/usb/maxim,max33359.yaml | 4 ++++
>>>>    1 file changed, 4 insertions(+)
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/usb/maxim,max33359.yaml
>>>> b/Documentation/devicetree/bindings/usb/maxim,max33359.yaml
>>>> index 3de4dc40b791..a529f18c4918 100644
>>>> --- a/Documentation/devicetree/bindings/usb/maxim,max33359.yaml
>>>> +++ b/Documentation/devicetree/bindings/usb/maxim,max33359.yaml
>>>> @@ -32,6 +32,9 @@ properties:
>>>>        description:
>>>>          Properties for usb c connector.
>>>>    
>>>> +  otg-vbus-supply:
>>> How is the pin or supply called in the datasheet?
>> The pin that supplies the VBUS power in OTG is referred to as Vchgin in
> I think that should be chgin (without V prefix)

Right, it's just CHGIN. These CHGIN pins source the USB VBUS power in 
OTG mode.

>
>> the datasheet.
> Cheers,
> Andre'