Re: [PATCH v3 1/1] schemas: i2c: Introduce I2C bus extensions
From: Herve Codina
Date: Fri Aug 29 2025 - 07:08:42 EST
Hi Wolfram,
On Fri, 29 Aug 2025 12:58:06 +0200
Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
> Hi Hervé,
>
> > the only solution I see is to parse the full DT in order to find extension
> > nodes when we need to register adapter children (adapter probe() step).
> >
> > A matching extension node will be a node where:
> > 1) compatible = "i2c-bus-extension"
> > 2) "i2c-parent" phandle points to the expected adapter.
>
> Would that be so bad? It will not be done often, or?
Ok I will propose a binding update in that sense (dtschema repo) and an
implementation (kernel repo).
Best regards,
Hervé