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Subject[PATCH v9 0/5] spi: cadence-quadspi: Add QSPI controller support for Intel LGM SoC
Date
Add QSPI controller support for Intel LGM SoC. 

Patches to move move bindings over to
"Documentation/devicetree/bindings/spi/" directory and also added compatible
Support for Intel platform.

dt-bindings: spi: cadence-qspi: Add support for Intel lgm-qspi
(earlier patch mail thread and Ack-by)
link: "https://lore.kernel.org/lkml/5d6d1b85.1c69fb81.96938.0315@mx.google.com/"

Reference:
https://lkml.org/lkml/2020/6/1/50
---
v9:
- Vignesh review comments address and update
- Retain the patchv4 move the binding documentation from mtd to spi
directory.
- Add intel's compatible string over the legacy documentation
- Remove unused variable, CQSPI_SUPPORTS_MULTI_CHIPSELECT macro and check
- YAML convertion patch alone dropped
v8:
- As Mark suggested to add the dt-bindings documentation patches
end of the series , so dropped.
v7:
- Rob's review comments address and fixed dt-schema warning
- Pratyush review comments address and update
- DAC bit reset to 0 and 1 (enable/disable)
- tested QSI-NOR flash mx25l12805d on LGM soc, it's working after disable DAC
- Linus suggested to use 'num-cs' prperty instead of 'num-chipselect'
v6:
- Rob's review comments update
- add compatible string in properly aligned
- remove cadence-qspi extra comaptible string in example
v5:
- Rob's review comments update
- const with single compatible string kept
v4:
- Rob's review comments update
- remove '|' no formatting to preserve
- child node attributes follows under 'properties' under '@[0-9a-f]+$'.
v3:
- Pratyush review comments update
- CQSPI_SUPPORTS_MULTI_CHIPSELECT macro used instead of cqspi->use_direct_mode
- disable DAC support placed in end of controller_init
v2:
- Rob's review comments update for dt-bindings
- add 'oneOf' for compatible selection
- drop un-neccessary descriptions
- add the cdns,is-decoded-cs and cdns,rclk-en properties as schema
- remove 'allOf' in not required place
- add AdditionalProperties false
- add minItems/maxItems for qspi reset attributes

resend-v1:
- As per Mark's suggestion , reorder the patch series 1-3 driver
support patches, series 4-6 dt-bindings patches.
v1:
- initial version

Ramuthevar Vadivel Murugan (5):
spi: cadence-quadspi: Add QSPI support for Intel LGM SoC
spi: cadence-quadspi: Disable the DAC for Intel LGM SoC
spi: cadence-quadspi: Add multi-chipselect support for Intel LGM SoC
spi: Move cadence-quadspi.txt to Documentation/devicetree/bindings/spi
dt-bindings: spi: cadence-qspi: Add support for Intel lgm-qspi

.../bindings/{mtd => spi}/cadence-quadspi.txt | 1 +
drivers/spi/Kconfig | 2 +-
drivers/spi/spi-cadence-quadspi.c | 24 ++++++++++++++++++----
3 files changed, 22 insertions(+), 5 deletions(-)
rename Documentation/devicetree/bindings/{mtd => spi}/cadence-quadspi.txt (97%)

--
2.11.0

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