add spi nor support for cv1800 series

Jingbao Qiu (2):
  dt-bindings: mtd: add sophgo spi-nor-controller
  spi: add support for sophgo spi-nor controller

 .../bindings/spi/sophgo,spi-cv1800-nor.yaml   |  33 ++
 drivers/spi/Kconfig                           |   9 +
 drivers/spi/Makefile                          |   1 +
 drivers/spi/spi-sophgo-cv1800.c               | 370 ++++++++++++++++++
 4 files changed, 413 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/sophgo,spi-cv1800-nor.yaml
 create mode 100644 drivers/spi/spi-sophgo-cv1800.c


base-commit: 4cece764965020c22cff7665b18a012006359095
-- 
2.25.1