linux-kernel - [PATCH v2 0/2] spi: sophgo: add Sophgo SPI NOR controller driver

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Message-ID: <20250304083548.10101-1-looong.bin@gmail.com>
Date: Tue,  4 Mar 2025 16:35:41 +0800
From: Longbin Li <looong.bin@...il.com>
To: Mark Brown <broonie@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Chen Wang <unicorn_wang@...look.com>,
	Inochi Amaoto <inochiama@...il.com>
Cc: Longbin Li <looong.bin@...il.com>,
	linux-spi@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	sophgo@...ts.linux.dev
Subject: [PATCH v2 0/2] spi: sophgo: add Sophgo SPI NOR controller driver

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