spi: sophgo: add Sophgo SPI NOR controller driver

Merge series from Longbin Li <looong.bin@gmail.com>:

Add SPI NOR driver for Sophgo, including read, write operations.
This driver is only suitable for NOR flash.
This commit is contained in:
Mark Brown 2025-03-11 20:11:04 +00:00
commit 37a1fcaf01
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
4 changed files with 562 additions and 0 deletions