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 3C2C92571A2 for ; Mon, 11 Aug 2025 06:02:48 +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=1754892171; cv=none; b=c+QErLL1+ztTp7c5gYF1vmEYv/H1cDprjSM59C6HhYfad/VO0x1p+iLeBire+f4qJpGL8tFIjNEALsGLX/Rc4EebswlOEuwxBEeofXoQgEWnid86b+EDjf00u6uqecCcScAjFg8mkjln4I9qwkbdGNggXU27pXvVGOqt6Qao9AM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754892171; c=relaxed/simple; bh=ZFBlkt78UmRm+gXtvrZt5z41fpWRCwXqQVvW8KPeHq4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=U4t95TUahqhXNn9imHeS624TGG+ngcceLsVBVP6ZpZKdLCBQHx45xMt0Nb1cK6t0+Tuni6O/oqC63745BzA+mMeiw5VGkuOwAeINcP760KmfQpxMMltxpTyESZBmVKc/qEJOL5ajcednlePAig1d5FLuNEbvHBcpxXcxjAn9uFo= 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 [223.64.69.45]) by gateway (Coremail) with SMTP id _____8CxLGuCh5loRkI+AQ--.52802S3; Mon, 11 Aug 2025 14:02:42 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.69.45]) by front1 (Coremail) with SMTP id qMiowJAxE+R8h5loyFRCAA--.51398S2; Mon, 11 Aug 2025 14:02:38 +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 v2 0/8] mtd: rawnand: loongson: Add Loongson-2K nand controller support Date: Mon, 11 Aug 2025 14:02:24 +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:qMiowJAxE+R8h5loyFRCAA--.51398S2 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoWxJr17ZF4fXF47KF4DGryfGrX_yoW8tF4fpa y3u3y3GF1DJF43AFZ09a48Cr1rZFyfJ39rJwsxW348C39xW345XryjyF1rtFWxurWSqryU ZFyfGF48GF4DCFgCm3ZEXasCq-sJn29KB7ZKAUJUUUU3529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUB2b4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r126r13M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVWxJr0_GcWln4kS14v26r126r1DM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12 xvs2x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q 6rW5McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64 vIr41lc7CjxVAaw2AFwI0_Jw0_GFyl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_ Jr0_Gr1l4IxYO2xFxVAFwI0_JF0_Jw1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8Gjc xK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0 cI8IcVAFwI0_Gr0_Xr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8V AvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E 14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxUc66wDUUUU 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. ------- V2: Based on linux-mtd/nand/next. Patch (5/8): - Add Acked-by tag from Rob, thanks; Patch (7/8): - Update reg-names attribute description. Link to V1: https://lore.kernel.org/all/cover.1753166096.git.zhoubinbin@loongson.cn/ 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 | 56 +- 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, 1091 insertions(+), 845 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: fb2fae70e7e985c4acb1ad96110d8b98bb64a87c -- 2.47.3