[PATCH v5 0/2] spi: realtek: Add support for RTD1625 SPI NOR Flash Controller

Hi all,

This patch series introduces support for the Realtek RTD1625 SPI NOR Flash
controller.

Thansk,
Yu-Chun
---
Changes in v5:

Patch 2:
- Fix the initialization and teardown sequences based on Philipp's
suggestions.
- Add the check for unsupported multi-byte stateless commands in
rtk_spi_supports_op().
- Move the hardware workaround for 4-byte mode switching to rtk_spi_exec_op().

v4: https://lore.kernel.org/lkml/20260909125701.273314-1-eleanor.lin@realtek.com/ (local)
v3: https://lore.kernel.org/lkml/20260908111640.2032749-1-eleanor.lin@realtek.com/ (local)
v2: https://lore.kernel.org/lkml/20260906145755.1230079-1-eleanor.lin@realtek.com/ (local)
v1: https://lore.kernel.org/lkml/20260904031252.244280-1-eleanor.lin@realtek.com/ (local)

Jyan Chou (2):
  dt-bindings: spi: Add Realtek RTD1625 SPI NOR support
  spi: spi-mem: Add Realtek SPI NOR flash controller driver

 .../bindings/spi/realtek,rtd1625-nor.yaml     |  65 ++
 MAINTAINERS                                   |   6 +
 drivers/spi/Kconfig                           |  10 +
 drivers/spi/Makefile                          |   1 +
 drivers/spi/spi-rtk-nor.c                     | 624 ++++++++++++++++++
 5 files changed, 706 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/realtek,rtd1625-nor.yaml
 create mode 100644 drivers/spi/spi-rtk-nor.c

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2.43.0