linux-kernel - Re: [PATCH v1 2/2] arm64: dts: qcom: talos-evk: Add sound card support with DA7212 codec

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Message-ID: <150836aa-b69b-4dfa-8118-4c32f181e03a@oss.qualcomm.com>
Date: Fri, 24 Oct 2025 09:59:51 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Le Qi <le.qi@....qualcomm.com>, Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@....qualcomm.com
Subject: Re: [PATCH v1 2/2] arm64: dts: qcom: talos-evk: Add sound card
 support with DA7212 codec

On 10/24/25 4:37 AM, Le Qi wrote:
> Add the sound card node for QCS615 Talos EVK with DA7212 codec
> connected over the Primary MI2S interface. The configuration enables
> headphone playback and headset microphone capture, both of which have
> been tested to work.
> 
> The sound card integrates:
>  - DA7212 codec on I2C5
>  - Primary MI2S playback and capture DAI links
>  - Pin control for MI2S1 signals
> 
> Signed-off-by: Le Qi <le.qi@....qualcomm.com>
> ---

[...]

> +	sound {
> +		compatible = "qcom,qcs615-sndcard";
> +		model = "qcs615-snd-card";
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&mi2s1_data0>, <&mi2s1_data1>, <&mi2s1_sck>, <&mi2s1_ws>;

property-n
property-names

in this order, please

[...]

>  &tlmm {
> +	mi2s1_data0: mi2s1-data0-state {
> +		pins = "gpio110";
> +		function = "mi2s_1";
> +		drive-strength = <8>;
> +		bias-disable;
> +	};
> +
> +	mi2s1_data1: mi2s1-data1-state {
> +		pins = "gpio111";
> +		function = "mi2s_1";
> +		drive-strength = <8>;
> +		bias-disable;
> +	};
> +
> +	mi2s1_sck: mi2s1-sck-state {
> +		pins = "gpio108";
> +		function = "mi2s_1";
> +		drive-strength = <8>;
> +		bias-disable;
> +	};
> +
> +	mi2s1_ws: mi2s1-ws-state {
> +		pins = "gpio109";
> +		function = "mi2s_1";
> +		drive-strength = <8>;
> +		bias-disable;
> +	};

You can group these together (i.e. create a single entry with
pins = "gpio108", "gpio109"...)  and move them to the SoC DTSI

Konrad