From patchwork Thu Aug 8 11:22:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keguang Zhang via B4 Relay X-Patchwork-Id: 818224 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 010901891AC; Thu, 8 Aug 2024 11:22:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723116155; cv=none; b=jORDfHwajQA4FTQI78If7L2WJqeTdCgJLvoM04fA52fRuNYcMuFysu+vx4Kz4Q7AYE3cXGoi4o2TO91MdM9LkI4SN07QVxgc1fkftdi9lLr2CZaiDPfUtchFDunS7UNruh+BzZyBil7hCmH8HKg7KFub/WM4CffOyn18KUrBf7s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723116155; c=relaxed/simple; bh=nMJ5ipPoSCdCFITUI50B1DzMLqNTR5+6qqFehLh2juA=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=Ypd16OXCEGhMv2QHfm3ja3PSE9XUbXQ/IEyzZWtkz2JILjGd+45sJQdm2cXd3dZkyu6+PrNaNav0vk7qeb8oVcZNjaC35pH345WZ41Hil153HIkJAM9qLpADvGedUdBBuJvE9IllcKUtzgc0cWPrL1dXgMCBlkxOb137jdSFv2c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nr3n7KQ2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nr3n7KQ2" Received: by smtp.kernel.org (Postfix) with ESMTPS id 8CF06C32782; Thu, 8 Aug 2024 11:22:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723116154; bh=nMJ5ipPoSCdCFITUI50B1DzMLqNTR5+6qqFehLh2juA=; h=From:Subject:Date:To:Cc:Reply-To:From; b=nr3n7KQ2+kM4cwrQfrHGiZhMd4ZA0TutIyGIvhnJmoHdHFt/PhTTpL2YHc27umXOg mVnHwq9xTt8B6GmXJUshhiggxB/X8uefBjGdY1gcBlCELUD80sfmgAMxt5X7NidLWs z5mfl5yX2KNUbjDOkIrw2YbHK2G1YZSnWM7Cu0+swKt9BoQYhI8ZXye/wU+DvT2NLk 3wwc9CBCtlBEjrAmxNF85LKeYeCN1WXg5cJB+BT1SuUJQozleISOIVvNlTrJ8WZmZu 8/xRueOPd96XPkRVqi/hXG1lFFE70D7gERNGddLsM+7uoYJKU/puxD63oHf2WWEH0F HFKiXfev8RI1g== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 769E1C3DA4A; Thu, 8 Aug 2024 11:22:34 +0000 (UTC) From: Keguang Zhang via B4 Relay Subject: [PATCH v8 0/2] Add support for Loongson-1 NAND Date: Thu, 08 Aug 2024 19:22:18 +0800 Message-Id: <20240808-loongson1-nand-v8-0-c96dea418b41@gmail.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAGqqtGYC/2WOzWrDMBAGXyXo3DWrn2jtnvIeoQdhr2zRWCpSY tIGv3vlkNLQXha+w8zOTRTOgYt43d1E5iWUkGId7ctO9JOLI0MY6hYKlUEtLZxSimNJUUJ0cYC u1YoGIkZvRYU+MvtwvQuPb3X7nGY4T5ndj0bivl5llNQNdUgg4Z3HS/3VfG0fD+Pswqnp07z5p lDOKX/e+xa7WR8piv6mLBYQyHdayp49KnwybSkL/eJG4z+cKm6RWuq1NN6ZZ3xd129Tf1ndKwE AAA== To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-media@vger.kernel.org, Keguang Zhang X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1723116152; l=2926; i=keguang.zhang@gmail.com; s=20231129; h=from:subject:message-id; bh=nMJ5ipPoSCdCFITUI50B1DzMLqNTR5+6qqFehLh2juA=; b=WB92qpooblzVPCarQF1A6FPBQnb0XnrAJ63g7qCkxT/suSwku8yX8VdaX8mMH9VODx+DbYpiq Pb5ZboQF8kRCSSQIZ4JjCPwzhzr7BrZ9/cmJf+dTMtp2F0vzqZ0Eyu4 X-Developer-Key: i=keguang.zhang@gmail.com; a=ed25519; pk=FMKGj/JgKll/MgClpNZ3frIIogsh5e5r8CeW2mr+WLs= X-Endpoint-Received: by B4 Relay for keguang.zhang@gmail.com/20231129 with auth_id=102 X-Original-From: Keguang Zhang Reply-To: keguang.zhang@gmail.com Add the driver and dt-binding document for Loongson-1 NAND. Changes in v8: - Add a description part. - Adjust the compatible because the match data for ls1c-nfc differs from ls1b-nfc. - Mark 'nand-use-soft-ecc-engine' and 'nand-ecc-algo' as mandatory. - Delete the superfluous blank lines. - Drop NAND_MONOLITHIC_READ and add support for real subpage read instead. - Simplify the logic of ls1b_nand_parse_address() and ls1c_nand_parse_address(). - Split ls1x_nand_set_controller() into ls1x_nand_parse_instructions() and ls1x_nand_trigger_op(). - Implement ls1x_nand_op_cmd_mapping() to convert the opcodes instead of forcing them. - Add ls1x_nand_check_op(). - Remove struct ls1x_nand after moving its members to struct ls1x_nfc. - Add the prefix 'LS1X_' for all registers and their bits. - Drop the macros: nand_readl() and nand_writel(). - Some minor fixes and improvements. - Link to v7: https://lore.kernel.org/r/20240430-loongson1-nand-v7-0-60787c314fa4@gmail.com Changes in v7: - Rename the file to loongson,ls1b-nfc.yaml - Rename the Kconfig dependency to LOONGSON1_APB_DMA - Link to v6: https://lore.kernel.org/r/20240327-loongson1-nand-v6-0-7f9311cef020@gmail.com Changes in v6: - Amend Kconfig - Add the dt-binding document - Modify nand_read_subpage() to allow subpage read by a single operation - Add DT support for driver - Use DT data instead of platform data - Remove MAX_ID_SIZE - Remove case NAND_OP_CMD_INSTR in ls1x_nand_set_controller() - Move ECC configuration to ls1x_nand_attach_chip() - Rename variable "nand" to "ls1x" - Rename variable "nc" to "nfc" - Some minor fixes - Link to v5: https://lore.kernel.org/all/20210520224213.7907-1-keguang.zhang@gmail.com Changes in v5: - Update the driver to fit the raw NAND framework. - Implement exec_op() instead of legacy cmdfunc(). - Use dma_request_chan() instead of dma_request_channel(). - Some minor fixes and cleanups. Changes in v4: - Retrieve the controller from nand_hw_control. Changes in v3: - Replace __raw_readl/__raw_writel with readl/writel. - Split ls1x_nand into two structures: ls1x_nand_chip and ls1x_nand_controller. Changes in v2: - Modify the dependency in Kconfig due to the changes of DMA module. Signed-off-by: Keguang Zhang --- Keguang Zhang (2): dt-bindings: mtd: Add Loongson-1 NAND Controller mtd: rawnand: Add Loongson-1 NAND Controller driver .../devicetree/bindings/mtd/loongson,ls1b-nfc.yaml | 75 ++ drivers/mtd/nand/raw/Kconfig | 7 + drivers/mtd/nand/raw/Makefile | 1 + drivers/mtd/nand/raw/loongson1_nand.c | 818 +++++++++++++++++++++ 4 files changed, 901 insertions(+) --- base-commit: 222a3380f92b8791d4eeedf7cd750513ff428adf change-id: 20240316-loongson1-nand-98327d77e0f6 Best regards,