[PATCH 0/4] ASoC: rt5575: Add the codec driver for the ALC5575

[PATCH 0/4] ASoC: rt5575: Add the codec driver for the ALC5575

[Oder Chiou]

Hi all,

This patch series adds support for the Realtek ALC5575 audio codec.

Changes in v11:
- Patch 1/4:
  - minor fixes
- Patch 2/4:
  - change of_find_spi_controller_by_node() gating to CONFIG_OF
- Patch 3/4:
  - nothing
- Patch 4/4:
  - achieve reverse-christmas-tree notation
  - remove formal version check
  - revise check whether the firmware boots from SPI or not
  - minor fixes

Changes in v10:
- Patch 1/3:
  - export of_find_spi_controller_by_node()
- Patch 2/3:
  - remove realtek,rt5575-use-spi
  - add spi-parent for firmware-loading
- Patch 3/3:
  - use of_find_spi_controller_by_node() to get the SPI controller and add
    the spi device for firmware-loading
- Link to v10: https://lore.kernel.org/all/20251216071853.3929135-1-oder_chiou@realtek.com/

Changes in v9:
- Patch 1/2:
  - modify the comment
  - change the compatible name to "realtek,rt5575-use-spi"
- Patch 2/2:
  - remove the standalone rt5575_spi_driver module and integrate its
    functionality into the I2C driver
  - move the SPI firmware-loading function to rt5575-spi.c
  - use the match data to distinguish between w/wo flash
  - minor fixes
- Link to v9: https://lore.kernel.org/all/20251211110130.2925541-1-oder_chiou@realtek.com/

Changes in v8:
- Patch 1/2:
  - remove the variable rt5575_spi_ready
  - use the multiple compatible names to distinguish between w/wo flash
- Patch 2/2:
  - add compatible enum "realtek,rt5575-with-spi"
- Link to v8: https://lore.kernel.org/all/20251201105926.1714341-1-oder_chiou@realtek.com/

Changes in v7:
- Patch 1/2:
  - add a caption for the tristates
  - remove the redundant enum of the SPI command
  - add the error log in the request firmware failure
  - change the function name rt5575_spi_fw_loaded to rt5575_fw_load_by_spi
  - minor fixes
- Patch 2/2:
  - modify commit message
- Link to v7: https://lore.kernel.org/all/20251121084112.743518-1-oder_chiou@realtek.com/

Changes in v6:
- Patch 1/2:
  - modify commit message
  - add select SND_SOC_RT5575 to config SND_SOC_RT5575_SPI in the Kconfig
  - revise the boiler plate in the head of the file
  - sort the include files
  - use a structure to transfer the spi data
  - use the poll() related function instead the for-loop
  - revise the UUID to the private ID
  - minor fixes
- Patch 2/2:
  - modify description
- Link to v6: https://lore.kernel.org/all/20251031073245.3629060-1-oder_chiou@realtek.com/

Changes in v2 to v5:
- Patch 1/2:
  - move the firmware to the subdirectory
  - remove the empty functions
  - remove the cache_type in the regmap_config
  - add the error log in the run firmware failure
- Patch 2/2:
  - nothing
- Link to v5: https://lore.kernel.org/all/20251015103404.3075684-1-oder_chiou@realtek.com/

Oder Chiou (4):
  spi: export of_find_spi_controller_by_node()
  spi: change of_find_spi_controller_by_node() gating to CONFIG_OF
  ASoC: dt-bindings: realtek,rt5575: add support for ALC5575
  ASoC: rt5575: Add the codec driver for the ALC5575

 .../bindings/sound/realtek,rt5575.yaml        |  61 +++
 drivers/spi/spi.c                             |  23 +-
 include/linux/spi/spi.h                       |   9 +
 sound/soc/codecs/Kconfig                      |  10 +
 sound/soc/codecs/Makefile                     |   3 +
 sound/soc/codecs/rt5575-spi.c                 | 118 ++++++
 sound/soc/codecs/rt5575-spi.h                 |  27 ++
 sound/soc/codecs/rt5575.c                     | 352 ++++++++++++++++++
 sound/soc/codecs/rt5575.h                     |  58 +++
 9 files changed, 651 insertions(+), 10 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/sound/realtek,rt5575.yaml
 create mode 100644 sound/soc/codecs/rt5575-spi.c
 create mode 100644 sound/soc/codecs/rt5575-spi.h
 create mode 100644 sound/soc/codecs/rt5575.c
 create mode 100644 sound/soc/codecs/rt5575.h

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2.52.0