Re: [PATCH v4 1/4] mtd: spi-nor-ids: Add XMC XM25QH128C

Fabio Estevam <[email protected]> Thu, 30 Jul 2026 21:37:42 -0300

Newsgroups	gmane.comp.boot-loaders.u-boot
Message-ID	<CAOMZO5AUHUEXvM+39N8oybY_W-+cRZAw0BDENGH1e6kB3PTbfw@mail.gmail.com>

Hi Takahiro-san,

On Wed, Jul 29, 2026 at 5:59 AM <[email protected]> wrote:

> Per the datasheet, this chip supports Dual/Quad ops but for my reference,
> could you let me know if you tested 1-1-4 or 1-4-4 ops?

I checked the RK3399 SPI1 pin configuration. It only exposes CLK, CS,
TX/IO0, and RX/IO1; IO2 and IO3 are not muxed to the SPI controller.
Therefore, my test exercised 1-1-1 operations rather than either 1-1-4 or 1-4-4.

> Anyway,
> Reviewed-by: Takahiro Kuwano <[email protected]>

Thanks for the review.