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Date: Wed, 21 Feb 2024 10:23:25 +0100
Message-Id: <CZANBUQ2RJ3N.DO07Z9VFJCBZ@kernel.org>
Cc: "Yazan Shhady" <yazan.shhady@solid-run.com>, "Rob Herring"
 <robh@kernel.org>, <devicetree@vger.kernel.org>,
 <linux-kernel@vger.kernel.org>
From: "Michael Walle" <mwalle@kernel.org>
To: "Josua Mayer" <josua@solid-run.com>, "Tudor Ambarus"
 <tudor.ambarus@linaro.org>, "Pratyush Yadav" <pratyush@kernel.org>, "Miquel
 Raynal" <miquel.raynal@bootlin.com>, "Richard Weinberger" <richard@nod.at>,
 "Vignesh Raghavendra" <vigneshr@ti.com>, "Rob Herring"
 <robh+dt@kernel.org>, "Krzysztof Kozlowski"
 <krzysztof.kozlowski+dt@linaro.org>, "Conor Dooley" <conor+dt@kernel.org>,
 <linux-mtd@lists.infradead.org>, "Takahiro Kuwano" <tkuw584924@gmail.com>,
 "Takahiro Kuwano" <Takahiro.Kuwano@infineon.com>
Subject: Re: [PATCH v7] dt-bindings: mtd: spi-nor: add optional interrupts
 property
References: <20240219-mtd-flash-interrupt-binding-v7-1-206e30a656fa@solid-run.com> <CZAM553H2H56.2TDN36QEL90XX@kernel.org> <a0144c5b-4095-4a0c-84b6-93dfe9631a6b@solid-run.com>
In-Reply-To: <a0144c5b-4095-4a0c-84b6-93dfe9631a6b@solid-run.com>
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[+ Takahiro]

Hi,

On Wed Feb 21, 2024 at 10:13 AM CET, Josua Mayer wrote:
> Hi,
>
> Am 21.02.24 um 09:27 schrieb Michael Walle:
> > Hi,
> >
> > On Mon Feb 19, 2024 at 3:41 PM CET, Josua Mayer wrote:
> >> Some spi flash memories have an interrupt signal which can be used for
> >> signalling on-chip events such as busy status or ecc errors to the hos=
t.
> > Do you have an example? Maybe one with a public datasheet?
>
> My example is Infineon S28HS512T, however datasheet download requires=20
> user account.
>
> S26HS512T has interrupt line, too, and datasheet is downloadable without=
=20
> registration:
> https://www.infineon.com/cms/en/product/memories/nor-flash/semper-nor-fla=
sh-family/semper-nor-flash/#!documents

Thanks, as far as I can see, both are hyperbus flashes. I'm asking
because I'm not aware of any SPI NOR flash with an interrupt line.=20

-michael

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