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 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 an audio expansion board.
For more information of audio expansion board, you can take a look at the following webpage: https://wiki.seeedstudio.com/ReSpeaker_2_Mics_Pi_HAT/
Changes since v2: - Use dt-overlay to describe sound card because need to plug the audio expansion board into the VisionFive2 board. - Modified the coding style for driver. - Moved assignment of stop_dma_first to startup function of dai_driver. - Dropped some useless macro definition. - Use loops to get/enable/disable clocks.
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.
--- v2: https://lore.kernel.org/all/20230420024118.22677-1-walker.chen@starfivetech.... v1: https://lore.kernel.org/all/20230329153320.31390-1-walker.chen@starfivetech....
Walker Chen (3): dt-bindings: sound: Add TDM for StarFive JH7110 ASoC: starfive: Add JH7110 TDM driver riscv: dts: starfive: add tdm node and sound card
.../bindings/sound/starfive,jh7110-tdm.yaml | 98 +++ MAINTAINERS | 6 + arch/riscv/boot/dts/starfive/Makefile | 3 + .../jh7110-starfive-visionfive-2-wm8960.dtso | 70 +++ .../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 | 573 ++++++++++++++++++ sound/soc/starfive/jh7110_tdm.h | 147 +++++ 12 files changed, 977 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml create mode 100644 arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2-wm8960.dtso 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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