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([2001:19f0:ac00:4eb8:5400:5ff:fe30:7df3]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-223504dc3b7sm90597735ad.173.2025.03.04.00.36.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Mar 2025 00:36:22 -0800 (PST) From: Longbin Li To: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Chen Wang , Inochi Amaoto Cc: Longbin Li , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, sophgo@lists.linux.dev Subject: [PATCH v2 0/2] spi: sophgo: add Sophgo SPI NOR controller driver Date: Tue, 4 Mar 2025 16:35:41 +0800 Message-ID: <20250304083548.10101-1-looong.bin@gmail.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add SPI NOR driver for Sophgo, including read, write operations. This driver is only suitable for NOR flash. --- Changes in v2: Fixed following issues as per comments from Yixun Lan, Chen Wang, Inochi Amaoto, thanks. - Replaced "sophgo" to "sg2044" to avoid conflicts with other drivers. - Improve driver code: - Improve coding style. - Removed the [PATCH 3/3] in previous submission that based on the baseline not submitted. - Added error handler to destroy mutex if probe fail. Changes in v1: You can simply review or test the patches at the link [1]. Link: https://lore.kernel.org/linux-riscv/20250224101213.26003-1-looong.bin@gmail.com/ [1] --- Longbin Li (2): dt-bindings: spi: add SG2044 SPI NOR controller driver spi: sophgo: add SG2044 SPI NOR controller driver .../bindings/spi/spi-sg2044-nor.yaml | 52 ++ drivers/spi/Kconfig | 9 + drivers/spi/Makefile | 1 + drivers/spi/spi-sg2044-nor.c | 500 ++++++++++++++++++ 4 files changed, 562 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-sg2044-nor.yaml create mode 100644 drivers/spi/spi-sg2044-nor.c -- 2.48.1