[v2,0/4] Add TDM audio on StarFive JH7110

This patchset adds TDM audio driver for the StarFive JH7110 SoC. The
first patch adds device tree binding for TDM module. The second patch
adds the item for JH7110 audio board to the dt-binding of StarFive
SoC-based boards. The third patch adds tdm driver support for JH7110
SoC. The last patch adds device node of tdm and sound card to JH7110 dts.

The series has been tested on the VisionFive 2 board by plugging the
raspberry pie audio board. 

For more information of raspberry pie audio board, you can take a look
at the following webpage:
https://wiki.seeedstudio.com/ReSpeaker_2_Mics_Pi_HAT/

The last patch should be applied after the following patchset:
https://lore.kernel.org/all/20230411135558.44282-1-xingyu.wu@starfivetech.com/

Changes since v1:
- Rebased on Linux 6.3-rc4.
- Added the dts file dedicated to describe audio card.
- Added the item for JH7110 audio board to the dt-binding of StarFive
  SoC-based boards.

---
v1: https://lore.kernel.org/all/20230329153320.31390-1-walker.chen@starfivetech.com/

Walker Chen (4):
  dt-bindings: sound: Add TDM for StarFive JH7110
  dt-bindings: riscv: Add item for StarFive JH7110 audio board
  ASoC: starfive: Add JH7110 TDM driver
  riscv: dts: starfive: add tdm node and sound card

 .../devicetree/bindings/riscv/starfive.yaml   |   1 +
 .../bindings/sound/starfive,jh7110-tdm.yaml   |  98 +++
 MAINTAINERS                                   |   6 +
 arch/riscv/boot/dts/starfive/Makefile         |   1 +
 .../starfive/jh7110-starfive-audio-card.dts   |  67 ++
 .../jh7110-starfive-visionfive-2.dtsi         |  40 ++
 arch/riscv/boot/dts/starfive/jh7110.dtsi      |  21 +
 sound/soc/Kconfig                             |   1 +
 sound/soc/Makefile                            |   1 +
 sound/soc/starfive/Kconfig                    |  15 +
 sound/soc/starfive/Makefile                   |   2 +
 sound/soc/starfive/jh7110_tdm.c               | 579 ++++++++++++++++++
 sound/soc/starfive/jh7110_tdm.h               | 155 +++++
 13 files changed, 987 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml
 create mode 100644 arch/riscv/boot/dts/starfive/jh7110-starfive-audio-card.dts
 create mode 100644 sound/soc/starfive/Kconfig
 create mode 100644 sound/soc/starfive/Makefile
 create mode 100644 sound/soc/starfive/jh7110_tdm.c
 create mode 100644 sound/soc/starfive/jh7110_tdm.h


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