On 2025/3/4 16:35, Longbin Li wrote:
Add SPI NOR driver for Sophgo, including read, write operations.
This driver is only suitable for NOR flash.
If there is a next patchset, please also replace "Sopgho" with "SG2044"
in the cover letter, including the email title.
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Changes in v2:
Fixed following issues as per comments from Yixun Lan, Chen Wang, Inochi Amaoto, thanks.
I feel like you left out Rob, and you also left out his signature in the
first patch ;)
- 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@xxxxxxxxx/ [1]
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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
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2.48.1
