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Subject[PATCH v3 00/13] spi: atmel-quadspi: introduce sam9x60 qspi controller
From: Tudor Ambarus <>

Patches from 1 to 11 are minor fixes or cosmetics.
Patches 12 and 13 introduce the sam9x60 qspi controller.

sam9x60 qspi controller tested with sst26vf064b jedec,spi-nor flash.
Backward compatibility test done on sama5d2 qspi controller and
mx25l25635e jedec,spi-nor flash.

The patches are generated on top of for-next branch.

- update smm value when different.
- treat just regular spi transfers when introducing sam9x60 qspi IP.
Mem transfers will be added together with dirmap support.
- reorganize the code and change ops functions pointers to avoid code
- rename aq->clk to aq->pclk to indicate that it's a peripheral clock.
- drop unused and NOP transfer macros.
- add Suggested-by tags, reword some commits.

- cache MR value,
- drop iomem wrappers,
- make "pclk" clock-name mandatory even for sama5d2,
- rework clock handling,
- reorder setting of register values in set_cfg() calls,
- collect R-b tags.

Tudor Ambarus (13):
spi: atmel-quadspi: cache MR value to avoid a write access
spi: atmel-quadspi: order header files inclusion alphabetically
spi: atmel-quadspi: drop wrappers for iomem accesses
spi: atmel-quadspi: fix naming scheme
spi: atmel-quadspi: remove unnecessary cast
spi: atmel-quadspi: return appropriate error code
spi: atmel-quadspi: switch to SPDX license identifiers
spi: atmel-quadspi: drop unused and NOP transfer macros
dt-bindings: spi: atmel-quadspi: update example to new clock binding
dt-bindings: spi: atmel-quadspi: make "pclk" mandatory
spi: atmel-quadspi: add support for named peripheral clock
dt-bindings: spi: atmel-quadspi: QuadSPI driver for Microchip SAM9X60
spi: atmel-quadspi: add support for sam9x60 qspi controller

.../devicetree/bindings/spi/atmel-quadspi.txt | 12 +-
drivers/spi/atmel-quadspi.c | 402 ++++++++++++++-------
2 files changed, 288 insertions(+), 126 deletions(-)


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