linux-kernel - Re: [PATCH v4 1/2] ASoC: dt-bindings: fsl,xcvr: Add compatible string for i.MX95

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Message-ID: <171743017410.508888.18301786325836336214.robh@kernel.org>
Date: Mon, 3 Jun 2024 10:56:16 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Shengjiu Wang <shengjiu.wang@....com>
Cc: robh+dt@...nel.org, Xiubo.Lee@...il.com, conor+dt@...nel.org,
	broonie@...nel.org, nicoleotsuka@...il.com,
	alsa-devel@...a-project.org, linuxppc-dev@...ts.ozlabs.org,
	devicetree@...r.kernel.org, festevam@...il.com,
	linux-sound@...r.kernel.org, shengjiu.wang@...il.com,
	krzysztof.kozlowski+dt@...aro.org, tiwai@...e.com,
	lgirdwood@...il.com, perex@...ex.cz, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/2] ASoC: dt-bindings: fsl,xcvr: Add compatible
 string for i.MX95


On Wed, 29 May 2024 16:40:01 +0800, Shengjiu Wang wrote:
> Add compatible string "fsl,imx95-xcvr" for i.MX95 platform.
> 
> The difference between each platform is in below table.
> 
> +---------+--------+----------+--------+
> |  SOC	  |  PHY   | eARC/ARC | SPDIF  |
> +---------+--------+----------+--------+
> | i.MX8MP |  V1    |  Yes     |  Yes   |
> +---------+--------+----------+--------+
> | i.MX93  |  N/A   |  N/A     |  Yes   |
> +---------+--------+----------+--------+
> | i.MX95  |  V2    |  N/A     |  Yes   |
> +---------+--------+----------+--------+
> 
> On i.MX95, there are two PLL clock sources, they are the parent
> clocks of the XCVR root clock. one is for 8kHz series rates, named
> as 'pll8k', another one is for 11kHz series rates, named as 'pll11k'.
> They are optional clocks, if there are such clocks, then the driver
> can switch between them to support more accurate sample rates.
> 
> As 'pll8k' and 'pll11k' are optional, then add 'minItems: 4' for
> clocks and clock-names properties.
> 
> On i.MX95, the 'interrupts' configuration has the same constraint
> as i.MX93.
> 
> Only on i.MX8MP, the 'resets' is required, but for i.MX95 and i.MX93
> there is no such hardware setting.
> 
> Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
> ---
>  .../devicetree/bindings/sound/fsl,xcvr.yaml   | 32 ++++++++++++++++++-
>  1 file changed, 31 insertions(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>