linux-kernel - Re: [PATCH 4/5] arm64: dts: ti: k3-am62a7-sk: Enable audio on AM62A

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Date:   Wed, 2 Aug 2023 17:10:29 +0530
From:   Jai Luthra <j-luthra@...com>
To:     Devarsh Thakkar <devarsht@...com>
CC:     Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Jayesh Choudhary <j-choudhary@...com>
Subject: Re: [PATCH 4/5] arm64: dts: ti: k3-am62a7-sk: Enable audio on AM62A

Hi Devarsh,

On Aug 02, 2023 at 16:15:12 +0530, Devarsh Thakkar wrote:
> Hi Jai,
> 
> Thanks for the patch.
> 
> On 31/07/23 18:14, Jai Luthra wrote:
> > Add nodes for audio codec and sound card, enable the audio serializer
> > (McASP1) under use and update pinmux.
> > 
> > Link: https://www.ti.com/lit/zip/sprr459
> > Signed-off-by: Jai Luthra <j-luthra@...com>
> > Reviewed-by: Jayesh Choudhary <j-choudhary@...com>
> > ---
> >  arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 77 +++++++++++++++++++++++++++++++++
> >  1 file changed, 77 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> > index 752c2f640f63..5f68d2eefe0f 100644
> > --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> > +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> > @@ -125,6 +125,41 @@ led-0 {
> >  			default-state = "off";
> >  		};
> >  	};
> > +
> > +	tlv320_mclk: clk-0 {
> > +		#clock-cells = <0>;
> > +		compatible = "fixed-clock";
> > +		clock-frequency = <12288000>;
> > +	};
> > +
> > +	codec_audio: sound {
> > +		compatible = "simple-audio-card";
> > +		simple-audio-card,name = "AM62Ax-SKEVM";
> 
> In my opinion better to give the codec name instead of board name here.

I agree, maybe calling it "sk-am62a-tlv320aic3106" would be the most 
clear option.

Running a quick ripgrep on next tree:

$ rg "simple-audio-card,name" arch/*/boot/dts/

I see a healthy mix of using both board and/or codec name here - with TI 
almost always using the board name. Maybe we can change the convention, 
but it would be a good idea to at least update SK-AM62 as well to use 
the new convention.

Is it okay with you if it is handled as a separate series?

> 
> Regards
> Devarsh

-- 
Thanks,
Jai

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