| From: |
| Longbin Li <looong.bin-AT-gmail.com> |
| To: |
| Mark Brown <broonie-AT-kernel.org>, Rob Herring <robh-AT-kernel.org>, Krzysztof Kozlowski <krzk+dt-AT-kernel.org>, Conor Dooley <conor+dt-AT-kernel.org>, Paul Walmsley <paul.walmsley-AT-sifive.com>, Palmer Dabbelt <palmer-AT-dabbelt.com>, Albert Ou <aou-AT-eecs.berkeley.edu>, Chen Wang <unicorn_wang-AT-outlook.com>, Inochi Amaoto <inochiama-AT-gmail.com> |
| Subject: |
| [PATCH v2 0/2] spi: sophgo: add Sophgo SPI NOR controller driver |
| Date: |
| Tue, 04 Mar 2025 16:35:41 +0800 |
| Message-ID: |
| <20250304083548.10101-1-looong.bin@gmail.com> |
| Cc: |
| Longbin Li <looong.bin-AT-gmail.com>, linux-spi-AT-vger.kernel.org, devicetree-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, linux-riscv-AT-lists.infradead.org, sophgo-AT-lists.linux.dev |
| Archive-link: |
| Article |
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]
---
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
