From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 82499C48BC3 for ; Wed, 21 Feb 2024 11:52:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: MIME-Version:List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe :List-Id:In-Reply-To:References:Cc:Subject:To:From:Message-Id:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=b72RJOYhmZGqPO4s+3n4FzewpWFY8izovcEc4sQ513U=; b=NC00NX0VOhdtRncmJvvB+p6uWe fPMNm7+HrzjUv6xzrLUo63tREOPtDXCqBJpYd5prAbJVKfXVRGJQfsGdtFv8JGKrxqA1AJF7PagFV qIPhD3O5UV0+S881WDprpeJOi59HcmaQtxaS+x65uaGAKMpuSg9MO2b4hrWxVUyxwdsXemOY5dLCv YlHgzXQEvMikIabP7Rjcd7BuRn9HT0TysvbA7UrNgD5CeSGVCYnVyuyBiEpkFLlFL19rMiIgSwq52 1D/8eT0BB3wJdZmyhHIdnseUw2QoFAGv5odv6OYp50EmY/K+dP83i3d+oVB8sgZxHCb61Pn2jY/1G 3CetT8Qw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rcl9W-00000000lep-3aaJ; Wed, 21 Feb 2024 11:52:42 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rcl9T-00000000leO-0tKN for linux-mtd@lists.infradead.org; Wed, 21 Feb 2024 11:52:40 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id B5B986139D; Wed, 21 Feb 2024 11:52:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E2660C433C7; Wed, 21 Feb 2024 11:52:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708516358; bh=lZLENxtHLbI6QbQIsmJDLuLCaCc5Gu/ruskB21Fbjd4=; h=Date:From:To:Subject:Cc:References:In-Reply-To:From; b=JahR6DaOk3I/CcusIGmx+XzxI0zXtyxmcIprdjvc2Su2RQEF0iJ38GgOpZO+/fllm ZlUuKfJYvaAWKqs6fuMTPGBm6V0CN3JYis4ZvmNj8+9j6nBxSak9RoIfM7oh1Dchn+ zzYjv8P82bkaHQPmRH9Oj1RgSKtZ8pj3jLGYhi/iosspHIczcmhcFk2+vvcoQd1kRm lBuR3myQY5ir/Pj+5N89EIkh43E1kkaFR5ixa8aT5UyYiCLiz3MNfSzO4Wvp5sz0aR Y2aBmqsHCU8U7zOoFLDTrlV5Qj1yysP6yMQYyjCLck2fjyUfWYn7EoMh5fiAAUFe4y 7rI7jd9Z+20tQ== Date: Wed, 21 Feb 2024 12:52:25 +0100 Message-Id: From: "Michael Walle" To: "Pratyush Yadav" Subject: Re: [PATCH v7] dt-bindings: mtd: spi-nor: add optional interrupts property Cc: "Josua Mayer" , "Tudor Ambarus" , "Miquel Raynal" , "Richard Weinberger" , "Vignesh Raghavendra" , "Rob Herring" , "Krzysztof Kozlowski" , "Conor Dooley" , , "Takahiro Kuwano" , "Takahiro Kuwano" , "Yazan Shhady" , "Rob Herring" , , X-Mailer: aerc 0.16.0 References: <20240219-mtd-flash-interrupt-binding-v7-1-206e30a656fa@solid-run.com> In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240221_035239_362594_9F1C768F X-CRM114-Status: GOOD ( 17.93 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="===============8685593498432560222==" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org --===============8685593498432560222== Content-Type: multipart/signed; boundary=c688cecef0f4ae5165c98d85f84090b76ef48c63c8e86034169e62c2a33d; micalg=pgp-sha256; protocol="application/pgp-signature" --c688cecef0f4ae5165c98d85f84090b76ef48c63c8e86034169e62c2a33d Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 On Wed Feb 21, 2024 at 11:48 AM CET, Pratyush Yadav wrote: > On Wed, Feb 21 2024, Michael Walle wrote: > > > [+ 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 = host. > >> > 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 witho= ut=20 > >> registration: > >> https://www.infineon.com/cms/en/product/memories/nor-flash/semper-nor-= flash-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 > > I found this datasheet [0] for S28H flash family from Infineon on > Google. These are SPI NOR flashes. In pinout you can see there is an > INT# signal. The signal description says: "System Interrupt (INT#). When > LOW, the device is indicating that an internal event has occurred." > Further in section 4.1.1.5 "INT# Output" it says: > > HL-T/HS-T supports INT# output pin to indicate to the host system > that an event has occurred within the flash device. The user can > configure the INT# output pin to transition to the active (LOW) > state when: > > - 2-bit ECC error is detected > - 1-bit ECC error is detected > - Transitioning from the Busy to the Ready state > > [0] https://www.infineon.com/dgdl/Infineon-S28HS256T_S28HS512T_S28HS01GT_= S28HL256T_S28HL512T_S28HL01GT_256-Mb_(32-MB)_512-Mb_(64-MB)_1-Gb_(128-MB)_H= S-T_(1.8-V)_HL-T_(3.0-V)_Semper_Flash_with_Octal_Interface-DataSheet-v03_00= -EN.pdf?fileId=3D8ac78c8c7d0d8da4017d0ee6bca96f97&da=3Dt Okay then, Acked-by: Michael Walle -michael --c688cecef0f4ae5165c98d85f84090b76ef48c63c8e86034169e62c2a33d Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iIgEABYIADAWIQQCnWSOYTtih6UXaxvNyh2jtWxG+wUCZdXj+RIcbXdhbGxlQGtl cm5lbC5vcmcACgkQzcodo7VsRvvNcAEApra9rSm1MfAkhRbVfkHLU/6D/SWddatA gXpTpAKirOoBALjzfbDua3ec+2dO1vFKuvOuC4AdReQxdnr3bRXO4SYB =rxHh -----END PGP SIGNATURE----- --c688cecef0f4ae5165c98d85f84090b76ef48c63c8e86034169e62c2a33d-- --===============8685593498432560222== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ --===============8685593498432560222==--