Re: [PATCH v4 1/3] dt-bindings: mmc: renesas,sdhi: Document RZ/V2H(P) support
From: Wolfram Sang
Date: Wed Jul 03 2024 - 05:38:17 EST
On Wed, Jun 26, 2024 at 02:23:39PM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>
> The SD/MMC block on the RZ/V2H(P) ("R9A09G057") SoC is similar to that
> of the R-Car Gen3, but it has some differences:
> - HS400 is not supported.
> - It supports the SD_IOVS bit to control the IO voltage level.
> - It supports fixed address mode.
>
> To accommodate these differences, a SoC-specific 'renesas,sdhi-r9a09g057'
> compatible string is added.
>
> A 'vqmmc-regulator' object is introduced to handle the power enable (PWEN)
> and voltage level switching for the SD/MMC.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Can we have an example here? I can read DTS snippets better than YAML
code :/ Also wondering about the "regulator-compatible" property but
maybe the example makes the problem clear?
Attachment:
signature.asc
Description: PGP signature