From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 234C92DA751 for ; Tue, 22 Jul 2025 09:10:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753175454; cv=none; b=hBss2L8YDRVXP+4YNqdnoh+D0gzXVrh9l9SLRplfBxNIfy5Ooi2wOAsWF04X2Jsnsg1b9XCpV4d3Vq2VfxJOr50tiQM3080tIoduibtDSbP/LfOaDgQPZ/Q+ZKTHvaxo7bcfiYEBmbgkJe9uGa1YF2HEj1XLRgjVJjwXc1+29Xw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753175454; c=relaxed/simple; bh=mVjKQgZfplp8Rbpz5r9JMrSON999RaUKNUbVPI2VShI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=jwe7c7kHTGNQKmZJnlSd2ce7P6ycHRNKK2+wm5EU473Efm+WBOwXQ9QzfhR4Xs5myUgJyAAxvyei5qr1eBf5GroZmHcoKq5cGFT5jH7WpwXYErWFB0ftdI/2nW4tHQL01KaCftDXiwDNOFUyb/VVYeq5VNUHoZbrhOkIqAGLP0E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [223.64.68.193]) by gateway (Coremail) with SMTP id _____8Ax3eKYVX9oFX8vAQ--.58643S3; Tue, 22 Jul 2025 17:10:48 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.68.193]) by front1 (Coremail) with SMTP id qMiowJAxQMKUVX9oprIhAA--.38699S2; Tue, 22 Jul 2025 17:10:46 +0800 (CST) From: Binbin Zhou To: Binbin Zhou , Huacai Chen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Keguang Zhang , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Cc: Huacai Chen , Xuerui Wang , loongarch@lists.linux.dev, devicetree@vger.kernel.org, linux-mtd@lists.infradead.org, Binbin Zhou Subject: [PATCH v1 0/8] mtd: rawnand: loongson: Add Loongson-2K nand controller support Date: Tue, 22 Jul 2025 17:10:31 +0800 Message-ID: X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:qMiowJAxQMKUVX9oprIhAA--.38699S2 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoWxJr17ZF4fXF47KF4DGryfGrX_yoW8ZF4Upa ya93y3GF1DJFW3AF909a48Cr4rZFyfJ3srJwsxW348C39rX345XryjyF1rtFWxurWSqryU ZFyfGF4xGF4DGFgCm3ZEXasCq-sJn29KB7ZKAUJUUUU3529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUBYb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v2 6F4UJVW0owAaw2AFwI0_JF0_Jw1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0c Ia020Ex4CE44I27wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_JF0_ Jw1lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwI xGrwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWU JVW8JwCFI7km07C267AKxVWUAVWUtwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4 vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IY x2IY67AKxVWUCVW8JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k26c xKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAF wI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU8svtJUUUUU== Hi all: This patchset adds support for the Loongson-2K0500/Loongson-2K1000 NAND controllers, which are similar to the Loongson-1C NAND controller. They support a maximum capacity of 16GB FLASH per chip, with a maximum page size of 8KB. The chip supports up to 4 chip selects and 4 RDY signals. The key difference between the Loongson-2K NAND controllers is that the Loongson-2K1000 explicitly configures the DMA controller routing, while the Loongson-2K0500 defaults to using APBDMA0. Summary of the patchset: Ptach 1-2: Rename all prefixes from ls1x to loongson Patch 3: Add 6-byte NAND ID reading Patch 4: Add chip select support Patch 5-6: Add Loongson-2K0500 NAND controller support Patch 7-8: Add Loongson-2K1000 NAND controller support Thanks. Binbin Zhou (7): mtd: rawnand: loongson1: Rename the prefix from ls1x to loongson mtd: rawnand: loongson: Rename loongson1 to loongson mtd: rawnand: loongson: Add nand chip select support dt-bindings: mtd: loongson,ls1b-nand-controller: Document the Loongson-2K0500 NAND controller mtd: rawnand: loongson: Add Loongson-2K0500 NAND controller support dt-bindings: mtd: loongson,ls1b-nand-controller: Document the Loongson-2K1000 NAND controller mtd: rawnand: loongson: Add Loongson-2K1000 NAND controller support Keguang Zhang (1): mtd: rawnand: loongson: Add 6-byte NAND ID reading support .../mtd/loongson,ls1b-nand-controller.yaml | 64 +- MAINTAINERS | 2 +- drivers/mtd/nand/raw/Kconfig | 8 +- drivers/mtd/nand/raw/Makefile | 2 +- .../mtd/nand/raw/loongson-nand-controller.c | 1032 +++++++++++++++++ .../mtd/nand/raw/loongson1-nand-controller.c | 836 ------------- 6 files changed, 1096 insertions(+), 848 deletions(-) create mode 100644 drivers/mtd/nand/raw/loongson-nand-controller.c delete mode 100644 drivers/mtd/nand/raw/loongson1-nand-controller.c base-commit: 9358bdb9f9f54d94ceafc650deffefd737d19fdd -- 2.47.3