Re: [PATCH] mtd: spi-nor: cypress: Add support for CY15V104QSN

From: Marc Kleine-Budde

Date: Mon May 04 2026 - 08:06:21 EST


On 29.04.2026 16:14:38, Michael Walle wrote:
> Hi Fabian,
>
> On Wed Apr 29, 2026 at 3:58 PM CEST, Fabian Pflug wrote:
> > Infineon CY15V104QSN is an FRAM Chip with Quad-SPI interface, a size of
> > 4Mb and a nominal Voltage of 1.8V
> > It should be the same as CY15B104QSN, just with a different Voltage
> > range. (3.0V)
>
> Please have a look at the at25 driver. This isn't a flash as it
> doesn't have (not even an emulated) erase command and there are no
> erase blocks. (And I really like to get rid of the NO_ERASE flag.)

Thanks for the tip. It Works.

regards,
Marc

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