linux-kernel - Re: [PATCH 0/3] arm64: dts: imx8m: support more sample rates

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Message-ID: <CAEnQRZC=qApo9C0zBDQoxpV56atLeXpoxZdyBuQ=o2y59YJEqA@mail.gmail.com>
Date: Wed, 16 Jul 2025 10:55:49 +0300
From: Daniel Baluta <daniel.baluta@...il.com>
To: Shengjiu Wang <shengjiu.wang@....com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, 
	shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de, 
	festevam@...il.com, devicetree@...r.kernel.org, imx@...ts.linux.dev, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	shengjiu.wang@...il.com
Subject: Re: [PATCH 0/3] arm64: dts: imx8m: support more sample rates

On Wed, Jul 16, 2025 at 9:11 AM Shengjiu Wang <shengjiu.wang@....com> wrote:
>
> The wm8524 codec is connected to the SAI interface. There are two audio
> plls on i.MX8MQ, i.MX8MM, i.MX8MN, one pll can be the clock source of
> 44kHz series rates, another pll can be clock source of 48kHz series rates.
>
> Shengjiu Wang (3):
>   arm64: dts: imx8mm-evk: support more sample rates for wm8524 card
>   arm64: dts: imx8mq-evk: support more sample rates for wm8524 card
>   arm64: dts: imx8mn-evk: support more sample rates for wm8524 card

Hi Shengjiu,

I think it would be useful to specify which are the current supported rates
and which will be the ones supported after your patch  (in the commit messages).

On NXP BSP you can run:

../../unit_tests/Audio/mxc_alsa_hw_params.out hw:X,Y p r

to get the rates.