Re: [PATCH 1/2] dt-bindings: at24: add ST M24C32-D Additional Write lockable page

Marek Vasut
2023-10-12T12:51:25Z

On 10/12/23 13:57, Rob Herring wrote:
> On Tue, Oct 10, 2023 at 09:09:25PM +0200, Marek Vasut wrote:
>> The ST M24C32-D behaves as a regular M24C32, except for the -D variant
>> which uses up another I2C address for Additional Write lockable page.
>> This page is 32 Bytes long and can contain additional data. Document
>> compatible string for it, so users can describe that page in DT. Note
>> that users still have to describe the main M24C32 area separately as
>> that is on separate I2C address from this page.
>
> So 2 nodes for 1 device? Wouldn't it make more sense for the 1 node to
> have 2 addresses?

It would, if the 32 Byte Additional Write lockable page was somehow
related to the main area, but it doesn't seem to be, except that they
are both on single chip.