[PATCH v8 00/10] ASoC: mediatek: Add support for MT8196 SoC

Cyril Chao
2026-03-24T01:57:50Z

This series of patches adds support for Mediatek AFE of MT8196 SoC.
Patches are based on broonie tree "for-next" branch.

This v8 series is based on the v7 version posted by <darren.ye@mediatek.com>:
Link: <https://patchwork.kernel.org/project/alsa-devel/cover/20250822125301.12333-1-darren.ye@mediatek.com/>

Changes since v7:
- Fix sparse warning in mt8196-nau8825 machine driver
(reported by kernel test robot <lkp@intel.com>)
- Reorder DT bindings patches before the driver patches so that the
bindings land first and match the dependencies in the ASoC drivers
- Replace the deprecated pcm_construct/pcm_destruct callbacks with
pcm_new/pcm_free to follow the latest ASoC core API

Changes since v6:
- optimize mtk_afe_pcm_pointer interface and improved logic checks.
- update mt8196_afe_private structure by removing unused member variables.
- only reference clocks directly supplied to afe and set required frequencies directly.
- update adda driver according to reviewer suggestions.
- update i2s driver according to reviewer suggestions.
- update tdm driver according to reviewer suggestions.
- optimize platform driver and update widget rotues.
- move the sof route from platform driver to the machine driver, and moved pinctrl to platform driver.
- update the afe yaml file to remove unnecessary clock references.

Changes since v5:
- restore the commit message for mediatek,mt8196-afe.yaml and only remove the string document.
- add reviewed owner for mediatek,mt8196-nau8825.yaml.
- use SND_JACK_AVOUT as jack status.
- use GENMASK_ULL to support 64-bit address masks.
- modify the afe platform and i2s dai driver code based on reviewer's suggestions.

Changes since v4:
- modify the mediatek,mt8196-afe.yaml commit message and add reviewed owner.
- modify the mediatek,mt8196-nau8825.yaml commit message.
- modify the audio common code based on reviewer's suggestions.
- add reviewed and tested owners in the audio common code submission message.
- fix cm update cnt calculation issue.

Changes since v3:
- the AFE TOP CG index is added to the common header.
- remove the audsys clk register and directly read and write to the regmap of afe cg clk.
- modify the clk logic according to the suggestions.
- remove the macro definition of MTKAIF4
- remove the tdm cg event and directly read and write the tdm cg reg form the widget.
- remove the i2s and cm cg event and directly read and write cg reg.
- afe hopping and f26m clk cg are placed in remap_register_patch and enable.
- the yaml file is modified according to the suggestions.
- replace SND_SOC_DAIFMT_CBS_CFS with SND_SOC_DAIFMT_CBC_CFC.

Changes since v2:
- remove the mtk_memif_set_channel interface modify.
- remove duplicate definitions from the header file.
- move the afe gate clk to the audio driver for management and registration
and manage the afe clk gate in each dai driver.
- delete the useless clk source.
- the i2s driver adds i2s clk gate management, removes the additional dts
configuration of i2s4.
- the afe and i2s dai driver,memif and irq data structs are encapsulated using
macros to reduce the amount of code.
- the volatile reg is modified as suggested.
- mt6681 codec is not supported, the mt6681 keyword is removed.
- the name of the machine driver is changed from mt8196-mt6681.c to mt8196-nau8825.c
- remove the i2s4 configuration from mt8196-afe.yaml and make the modifications as suggested.
- change the mt8196-mt6681.yaml to mt8196-nau8825.yaml and make the modifications as suggested.

Changes since v1:
- modify mtk_memif_set_channel and mtk_afe_pcm_pointer interfaces
are improved to support mt8196.
- remove duplicate definitions in the mt8196 common header file.
- cm logic is merge into the afe platform driver.
- modify afe clk to return judgment logic and remove useless clk sources.
- refactor the mt8196 adda dai driver.
- remove the gpio module and use SND_SOC_DAPM_PINCTRL to manage it.
- removes CONNSYS_I2S related functions that are not supported in i2s dai driver.
- fixed mt8196-afe.yaml and mt8196-mt6681.yaml syntax issues.
- modify log printing in all modules.
- optimize the header file included for machine driver.

Darren Ye (10):
ASoC: mediatek: common: modify mtk afe platform driver for mt8196
ASoC: mediatek: mt8196: add common header
ASoC: mediatek: mt8196: support audio clock control
ASoC: mediatek: mt8196: support ADDA in platform driver
ASoC: mediatek: mt8196: support I2S in platform driver
ASoC: mediatek: mt8196: support TDM in platform driver
ASoC: dt-bindings: mediatek,mt8196-afe: add audio AFE
ASoC: mediatek: mt8196: add platform driver
ASoC: dt-bindings: mediatek,mt8196-nau8825: Add audio sound card
ASoC: mediatek: mt8196: add machine driver with nau8825

.../bindings/sound/mediatek,mt8196-afe.yaml | 113 +
.../sound/mediatek,mt8196-nau8825.yaml | 100 +
sound/soc/mediatek/Kconfig | 30 +
sound/soc/mediatek/Makefile | 1 +
.../mediatek/common/mtk-afe-platform-driver.c | 56 +-
.../mediatek/common/mtk-afe-platform-driver.h | 2 +
sound/soc/mediatek/mt8196/Makefile | 14 +
sound/soc/mediatek/mt8196/mt8196-afe-clk.c | 581 +
sound/soc/mediatek/mt8196/mt8196-afe-clk.h | 64 +
sound/soc/mediatek/mt8196/mt8196-afe-common.h | 205 +
sound/soc/mediatek/mt8196/mt8196-afe-pcm.c | 2497 ++++
sound/soc/mediatek/mt8196/mt8196-dai-adda.c | 845 ++
sound/soc/mediatek/mt8196/mt8196-dai-i2s.c | 2613 ++++
sound/soc/mediatek/mt8196/mt8196-dai-tdm.c | 675 +
.../mediatek/mt8196/mt8196-interconnection.h | 121 +
sound/soc/mediatek/mt8196/mt8196-nau8825.c | 870 ++
sound/soc/mediatek/mt8196/mt8196-reg.h | 12068 ++++++++++++++++
17 files changed, 20837 insertions(+), 18 deletions(-)
create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt8196-afe.yaml
create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt8196-nau8825.yaml
create mode 100644 sound/soc/mediatek/mt8196/Makefile
create mode 100644 sound/soc/mediatek/mt8196/mt8196-afe-clk.c
create mode 100644 sound/soc/mediatek/mt8196/mt8196-afe-clk.h
create mode 100644 sound/soc/mediatek/mt8196/mt8196-afe-common.h
create mode 100644 sound/soc/mediatek/mt8196/mt8196-afe-pcm.c
create mode 100644 sound/soc/mediatek/mt8196/mt8196-dai-adda.c
create mode 100644 sound/soc/mediatek/mt8196/mt8196-dai-i2s.c
create mode 100644 sound/soc/mediatek/mt8196/mt8196-dai-tdm.c
create mode 100644 sound/soc/mediatek/mt8196/mt8196-interconnection.h
create mode 100644 sound/soc/mediatek/mt8196/mt8196-nau8825.c
create mode 100644 sound/soc/mediatek/mt8196/mt8196-reg.h

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2.45.2