[PATCH v4 0/2] mtd: devices: add support for microchip 48l640 EERAM

[Heiko Schocher]

add support for microchip 48l640 eeram connected via
SPI. Patch 1 introduces devicetree documentation
and patch 2 the driver.

Any comments to driver?

Changes in v4:
- work in comments from Rob:
  - change title to
    Microchip 48l640 (and similar) serial EERAM bindings
  - rename spi-eeram to eeram
- Add Reviewed-by tag from Rob

Changes in v3:
Add Fabio to cc
drop dev_dbg() in mchp48l640_read() as not really needed to
fix warning which kernel test robot found for
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
add Reported-by: kernel test robot <lkp at intel.com>
add Fabio to cc

Changes in v2:
as Rob helped, fix warnings from running command
'make DT_CHECKER_FLAGS=-m dt_binding_check'
- fix build warnings
- add Fabios Tested-by

Heiko Schocher (2):
  mtd: devices: add devicetree documentation for microchip 48l640
  mtd: devices: add support for microchip 48l640 EERAM

 .../bindings/mtd/microchip,mchp48l640.yaml    |  45 +++
 drivers/mtd/devices/Kconfig                   |   6 +
 drivers/mtd/devices/Makefile                  |   1 +
 drivers/mtd/devices/mchp48l640.c              | 373 ++++++++++++++++++
 4 files changed, 425 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mtd/microchip,mchp48l640.yaml
 create mode 100644 drivers/mtd/devices/mchp48l640.c

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2.31.1