[PATCH v2 0/2] Introduce Socionext F_OSPI SPI flash controller

From: Kunihiko Hayashi
Date: Sun Nov 20 2022 - 20:48:29 EST


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

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2.25.1