Thread (9 messages) 9 messages, 2 authors, 2023-03-31

Re: [PATCH v3 0/4] ARM: dts: at91: Set sst26vf064b SPI NOR flash at its maxumum frequency

From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: 2023-03-31 10:03:19
Also in: linux-devicetree, lkml


On 3/30/23 19:53, Nicolas Ferre wrote:
On 28/03/2023 at 12:15, Tudor Ambarus wrote:
quoted
Changes in v3: Update S-o-b tag to match author's email.
Changes in v2: update value of spi-cs-setup-ns as it was changed to u32
since the first proposal.
v1 at:
https://lore.kernel.org/linux-mtd/20221117105249.115649-1-tudor.ambarus@microchip.com/ (local)

---
SPI NOR flashes have specific cs-setup time requirements without which
they can't work at frequencies close to their maximum supported
frequency,
as they miss the first bits of the instruction command. Unrecognized
commands are ignored, thus the flash will be unresponsive. Introduce the
spi-cs-setup-ns property to allow spi devices to specify their cs setup
time.
Now that it's tested:
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
to the whole series and I'll queue them on at91-dt branch and changed
your email address when doing so.

Thanks for your patches Tudor, it's appreciated! Best regards,
My pleasure, I'm happy I could help. Cheers,
ta

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