This series adds dt-bindings and a driver for Socionext F_OSPI controller for connecting an SPI Flash memory over up to 8-bit wide bus. The controller supports up to 4 chip selects. Changes since v1: - Drop vendor-specific properties for devices from host dt-bindings - Drop a function to parse vendor-specific properties - Fix wrong maximum addr.bytes (5 to 4) Kunihiko Hayashi (2): dt-bindings: spi: Add Socionext F_OSPI controller bindings spi: Add Socionext F_OSPI SPI flash controller driver .../bindings/spi/socionext,f-ospi.yaml | 57 ++ drivers/spi/Kconfig | 9 + drivers/spi/Makefile | 1 + drivers/spi/spi-sn-f-ospi.c | 703 ++++++++++++++++++ 4 files changed, 770 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/socionext,f-ospi.yaml create mode 100644 drivers/spi/spi-sn-f-ospi.c -- 2.25.1