linux-kernel - Re: [PATCH v4 1/6] ASoC: dt-bindings: sophgo,cv1800b: add I2S/TDM controller

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Message-ID: <556a380d-8e05-4533-979d-fe1d08e00887@kernel.org>
Date: Tue, 20 Jan 2026 20:21:49 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: "Anton D. Stavinskii" <stavinsky@...il.com>,
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Chen Wang <unicorn_wang@...look.com>,
 Inochi Amaoto <inochiama@...il.com>, Jaroslav Kysela <perex@...ex.cz>,
 Takashi Iwai <tiwai@...e.com>, Paul Walmsley <pjw@...nel.org>,
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Alexandre Ghiti <alex@...ti.fr>
Cc: linux-sound@...r.kernel.org, devicetree@...r.kernel.org,
 sophgo@...ts.linux.dev, linux-kernel@...r.kernel.org,
 linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v4 1/6] ASoC: dt-bindings: sophgo,cv1800b: add I2S/TDM
 controller

On 20/01/2026 20:06, Anton D. Stavinskii wrote:
> There are 4 TDM controllers on the SoC. Each controller can receive or
> transmit data over DMA. The dma it self has 8 channels.
> Each channel can be connected only to a specific i2s node. But each
> of dma channel can have multiple purposes so in order to save dma
> channels the configurations allows to use tx and rx, only rx, only tx
> or none channels. I2S controller without channels can be useful in
> configuration where I2S is used as clock source only and doesn't
> produce any data.
> 
> Signed-off-by: Anton D. Stavinskii <stavinsky@...il.com>
> ---
>  .../bindings/sound/sophgo,cv1800b-i2s.yaml         | 67 ++++++++++++++++++++++
>  1 file changed, 67 insertions(+)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>

Best regards,
Krzysztof