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From: Mark Brown <broonie@kernel.org>
To: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
	Yixun Lan <dlan@kernel.org>,
	Jinmei Wei <weijinmei@linux.spacemit.com>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	linux-sound@vger.kernel.org, linux-riscv@lists.infradead.org,
	spacemit@lists.linux.dev, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH 5/7] ASoC: dt-bindings: add fixed-sample-rate property for SpacemiT K1/K3
Date: Wed, 29 Apr 2026 11:18:40 +0900	[thread overview]
Message-ID: <afFqgF6ZRwYdfUmL@sirena.co.uk> (raw)
In-Reply-To: <20260429-k3-i2s-v1-5-2fe99db11ecb@linux.spacemit.com>

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On Wed, Apr 29, 2026 at 09:38:50AM +0800, Troy Mitchell wrote:
> Add the optional spacemit,fixed-sample-rate property. When multiple I2S
> controllers share a common bclk, this property constrains all
> controllers to the same sample rate. This applies to both K1 and K3
> SoCs and is only needed when two or more I2S controllers are active
> simultaneously.

This doesn't seem controller specific, it should be factored out into
the core - the same issue will apply with any system sharing a BCLK.

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WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
	Yixun Lan <dlan@kernel.org>,
	Jinmei Wei <weijinmei@linux.spacemit.com>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	linux-sound@vger.kernel.org, linux-riscv@lists.infradead.org,
	spacemit@lists.linux.dev, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH 5/7] ASoC: dt-bindings: add fixed-sample-rate property for SpacemiT K1/K3
Date: Wed, 29 Apr 2026 11:18:40 +0900	[thread overview]
Message-ID: <afFqgF6ZRwYdfUmL@sirena.co.uk> (raw)
In-Reply-To: <20260429-k3-i2s-v1-5-2fe99db11ecb@linux.spacemit.com>


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On Wed, Apr 29, 2026 at 09:38:50AM +0800, Troy Mitchell wrote:
> Add the optional spacemit,fixed-sample-rate property. When multiple I2S
> controllers share a common bclk, this property constrains all
> controllers to the same sample rate. This applies to both K1 and K3
> SoCs and is only needed when two or more I2S controllers are active
> simultaneously.

This doesn't seem controller specific, it should be factored out into
the core - the same issue will apply with any system sharing a BCLK.

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  reply	other threads:[~2026-04-29  2:18 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-29  1:38 [PATCH 0/7] ASoC: spacemit: bug fixes, refactoring, and K3 SoC support Troy Mitchell
2026-04-29  1:38 ` Troy Mitchell
2026-04-29  1:38 ` [PATCH 1/7] ASoC: spacemit: fix RX DMA params not set when TX is running Troy Mitchell
2026-04-29  1:38   ` Troy Mitchell
2026-04-29  2:28   ` Mark Brown
2026-04-29  2:28     ` Mark Brown
2026-04-29  7:56     ` Troy Mitchell
2026-04-29  7:56       ` Troy Mitchell
2026-04-29  2:35   ` Mark Brown
2026-04-29  2:35     ` Mark Brown
2026-04-29  8:03     ` Troy Mitchell
2026-04-29  8:03       ` Troy Mitchell
2026-04-29  1:38 ` [PATCH 2/7] ASoC: spacemit: move hw constraints from hw_params to startup Troy Mitchell
2026-04-29  1:38   ` Troy Mitchell
2026-04-29  1:38 ` [PATCH 3/7] ASoC: spacemit: adjust FIFO trigger threshold to half FIFO size Troy Mitchell
2026-04-29  1:38   ` Troy Mitchell
2026-04-29  1:38 ` [PATCH 4/7] ASoC: dt-bindings: add SpacemiT K3 SoC compatible Troy Mitchell
2026-04-29  1:38   ` Troy Mitchell
2026-05-06  1:40   ` Rob Herring (Arm)
2026-05-06  1:40     ` Rob Herring (Arm)
2026-04-29  1:38 ` [PATCH 5/7] ASoC: dt-bindings: add fixed-sample-rate property for SpacemiT K1/K3 Troy Mitchell
2026-04-29  1:38   ` Troy Mitchell
2026-04-29  2:18   ` Mark Brown [this message]
2026-04-29  2:18     ` Mark Brown
2026-04-29  8:06     ` Troy Mitchell
2026-04-29  8:06       ` Troy Mitchell
2026-04-29  1:38 ` [PATCH 6/7] ASoC: spacemit: add fixed-sample-rate constraint support Troy Mitchell
2026-04-29  1:38   ` Troy Mitchell
2026-04-29  1:38 ` [PATCH 7/7] ASoC: spacemit: add K3 SoC support with additional clocks Troy Mitchell
2026-04-29  1:38   ` Troy Mitchell
2026-04-29  2:32 ` [PATCH 0/7] ASoC: spacemit: bug fixes, refactoring, and K3 SoC support Mark Brown
2026-04-29  2:32   ` Mark Brown
2026-04-29  7:58   ` Troy Mitchell
2026-04-29  7:58     ` Troy Mitchell
2026-04-29  2:41 ` (subset) " Mark Brown
2026-04-29  2:41   ` Mark Brown

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