RE: [PATCH 2/3] dt-bindings: hwmon: pmbus: Support for onsemi's FD5121
From: Selvamani Rajagopal
Date: Wed Jun 24 2026 - 20:37:18 EST
> -----Original Message-----
> From: Guenter Roeck <groeck7@xxxxxxxxx> On Behalf Of Guenter Roeck
> Subject: Re: [PATCH 2/3] dt-bindings: hwmon: pmbus: Support for onsemi's FD5121
>
>
> One of the problems here is that the chip datasheet is not public,
Agree on both points. No datasheets on our website. And chips not available through distributors. Little
early in the process. I am working with our product team to see how to move forward. So, there will be some
delay in giving next patch. Thanks for your feedback. I have all the information to send a cleaner, hopefully
acceptable patch,
> so we can not verify what this actually is. The only available
> public document appears to be the "onsemi FD512x Ax Digital Controller
> User Manual" which describes the chip as follows.
>
> "The FD512x Digital Controller is a programmable device designed
> for machine vendors to configure their equipment at the factory."
>
> That really does not explain anything at all, and actually looks like
> an AI generated summary with the AI not understanding what it is talking
> about. According to the onsemi web page, the chip does not exist,
> and it appears that it is not available to buy from any distributors
> either.
>
> Guenter
>