[0/3] spi: sophgo: add Sophgo SPI NOR controller driver

Message

Longbin Li Feb. 24, 2025, 10:11 a.m. UTC

Add SPI NOR driver for Sophgo, including read, write operations.
This driver is only suitable for NOR flash.

Longbin Li (3):
  dt-bindings: spi: add Sophgo SPI NOR controller driver
  spi: sophgo: add Sophgo SPI NOR controller driver
  riscv: dts: sophgo: add Sophgo SPI NOR controller driver

 .../bindings/spi/spi-sophgo-nor.yaml          |  52 ++
 .../boot/dts/sophgo/sg2044-sophgo-sd3-10.dts  |  18 +
 arch/riscv/boot/dts/sophgo/sg2044.dtsi        |  24 +
 drivers/spi/Kconfig                           |   9 +
 drivers/spi/Makefile                          |   1 +
 drivers/spi/spi-sophgo-nor.c                  | 501 ++++++++++++++++++
 6 files changed, 605 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/spi-sophgo-nor.yaml
 create mode 100644 drivers/spi/spi-sophgo-nor.c

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2.48.1