[PATCH 0/4] ASoC: Add Cadence I2S-SC and I2S-MC controller support

[Joakim Zhang (张强庆)]

Hello,

> -----Original Message-----
> From: joakim.zhang at cixtech.com <joakim.zhang at cixtech.com>
> Sent: Tuesday, September 22, 2026 7:22 PM
> To: lgirdwood at gmail.com; broonie at kernel.org; robh at kernel.org;
> krzk+dt at kernel.org; conor+dt at kernel.org; perex at perex.cz; tiwai at suse.com;
> p.zabel at pengutronix.de
> Cc: cix-kernel-upstream <cix-kernel-upstream at cixtech.com>; linux-
> sound at vger.kernel.org; devicetree at vger.kernel.org; linux-kernel at vger.kernel.org;
> linux-arm-kernel at lists.infradead.org; Joakim Zhang (张强庆)
> <joakim.zhang at cixtech.com>
> Subject: [PATCH 0/4] ASoC: Add Cadence I2S-SC and I2S-MC controller support
> 
> From: Joakim Zhang <joakim.zhang at cixtech.com>
> 
> This series adds DT bindings and ASoC CPU DAI drivers for the two Cadence I2S
> controllers integrated in the CIX SKY1 audio subsystem.
> 
> I2S-SC is a full-duplex stereo controller supporting standard I2S, left/right-justified
> and DSP formats, mono operation mapped onto the left audio channel, and TDM
> operation with up to 16 slots per frame.
> 
> I2S-MC is a multi-channel controller which moves up to 16 channels through a
> configurable set of its 8 data pins, each pin carrying two slots, and exposes a
> transmit DAI and a receive DAI which can act as clock provider or consumer
> independently.
> 
> Both drivers register the dmaengine PCM helper, select the audio reference clock
> parent for the 8 kHz or 11.025 kHz sample rate family, keep the minimum
> functional-clock to bit-clock ratio required for safe clock domain crossing, and
> support runtime and system suspend/resume with regcache restore.
> 
> Joakim Zhang (4):
>   ASoC: dt-bindings: Add Cadence I2S-SC controller
>   ASoC: cdns: Add Cadence I2S-SC controller driver
>   ASoC: dt-bindings: Add Cadence I2S-MC controller
>   ASoC: cdns: Add Cadence I2S-MC controller driver
> 

I have collected and resolved some issues. The remaining unanswered questions will be discussed further in v2. Especially regarding some issues related to the naming of "compatible" and "property".

Thanks,
Joakim