From nobody Tue Feb 10 01:35:56 2026 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 029291DA116 for ; Mon, 2 Dec 2024 16:35:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733157343; cv=none; b=JwnFRkk2b8StzO8VyjjCvpbXO1Y0NVdfe8NOxAyxDR7styYUmLhPVB1hkrvR3ZkIFMqceCHNmkCOApjbhIquxNP6f3/NbcwDD0lv82nb2RRZYlnogOrb1oJZuffASftZIb7ezb4mi3q5qK8PiMXUCMJ+aET7WmuXc6MPIRHurMA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733157343; c=relaxed/simple; bh=4Znxh2vezX6ykUQvILB+ITgVuJR4RNnDtKVTVonUfCM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TldyM/EWuhJNALuTRVDIA2cSeN2FXj3wcs6JSi39gG9uifcA6+2AeQi/CXUPIkdYA0uWn1SLouXrWO60fzp5yqklBrqunU5WdDLzRHgArGdlKB4KgfNs9aTxpX6wPln5TZ4q9YK1izXZfm31zkgHoBshSGNGA/erd64m5MVhy10= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from dude04.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::ac]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1tI9Od-0004Mi-9G; Mon, 02 Dec 2024 17:35:39 +0100 From: Jonas Rebmann Date: Mon, 02 Dec 2024 17:35:22 +0100 Subject: [PATCH 3/3] mtd: mchp48l640: add support for Fujitsu MB85RS128TY FRAM Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241202-mb85rs128ty-v1-3-a660b6490dc8@pengutronix.de> References: <20241202-mb85rs128ty-v1-0-a660b6490dc8@pengutronix.de> In-Reply-To: <20241202-mb85rs128ty-v1-0-a660b6490dc8@pengutronix.de> To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Schocher Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, David Jander , kernel@pengutronix.de, Jonas Rebmann X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1626; i=jre@pengutronix.de; h=from:subject:message-id; bh=Urh+tFnbGE+nh11saAIXFyyQDAFGEwL1Wkf7BzXgzas=; b=owGbwMvMwCF2ZcYT3onnbjcwnlZLYkj3fXgzdP6VVf5/r4Q8v5EWVvvFfdKX60tZebdavct8c m2d32pmho5SFgYxDgZZMUWWWDU5BSFj/+tmlXaxMHNYmUCGMHBxCsBEPi5kZDj+7dDCEw6upvy1 zg66lTx/2/VXVdtVF/9IkDV3fdfr2MTwV1533eQ50pqf9Do0MkPDZjWyhR1cc23eqhldnhIPHJz jGAA= X-Developer-Key: i=jre@pengutronix.de; a=openpgp; fpr=0B7B750D5D3CD21B3B130DE8B61515E135CD49B5 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::ac X-SA-Exim-Mail-From: jre@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org From: David Jander The Fujitsu FRAM chips use the same command set as Microchip EERAM. The only differences are that the Fujitsu FRAM chips don't really have a page size limit, nor do they automatically reset the WEL bit. Signed-off-by: David Jander Signed-off-by: Jonas Rebmann --- drivers/mtd/devices/mchp48l640.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/mtd/devices/mchp48l640.c b/drivers/mtd/devices/mchp48l= 640.c index 4cdd24aaed416fc7e40a8060b5c7eaf6684fc6d5..7584d0ba93969d79ba3d9c7a97b= c63bd0e5ef327 100644 --- a/drivers/mtd/devices/mchp48l640.c +++ b/drivers/mtd/devices/mchp48l640.c @@ -303,6 +303,12 @@ static const struct mchp48_caps mchp48l640_caps =3D { .auto_disable_wel =3D true, }; =20 +static const struct mchp48_caps mb85rs128ty_caps =3D { + .size =3D SZ_16K, + .page_size =3D 256, + .auto_disable_wel =3D false, +}; + static int mchp48l640_probe(struct spi_device *spi) { struct mchp48l640_flash *flash; @@ -361,6 +367,10 @@ static const struct of_device_id mchp48l640_of_table[]= =3D { .compatible =3D "microchip,48l640", .data =3D &mchp48l640_caps, }, + { + .compatible =3D "fujitsu,mb85rs128ty", + .data =3D &mb85rs128ty_caps, + }, {} }; MODULE_DEVICE_TABLE(of, mchp48l640_of_table); @@ -370,6 +380,10 @@ static const struct spi_device_id mchp48l640_spi_ids[]= =3D { .name =3D "48l640", .driver_data =3D (kernel_ulong_t)&mchp48l640_caps, }, + { + .name =3D "mb85rs128ty", + .driver_data =3D (kernel_ulong_t)&mb85rs128ty_caps, + }, {} }; MODULE_DEVICE_TABLE(spi, mchp48l640_spi_ids); --=20 2.39.5