Re: [PATCH 5/5] arm64: dts: qcom: qrb2210-rb1: add HDMI/I2S audio playback support

[Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>]

On 2.03.2025 3:49 AM, Alexey Klimov wrote:
> Add sound node and dsp-related pieces to enable HDMI+I2S audio playback
> support on Qualcomm QR2210 RB1 board. That is the only sound output
> supported for now.
> 
> The audio playback is verified using the following commands:
> amixer -c0 cset iface=MIXER,name='SEC_MI2S_RX Audio Mixer MultiMedia1' 1
> aplay -D hw:0,0 /usr/share/sounds/alsa/Front_Center.wav
> 
> Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> Signed-off-by: Alexey Klimov <alexey.klimov@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 49 ++++++++++++++++++++++++++++++++
>  1 file changed, 49 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
> index 7a789b41c2f1887f0c41ae24da2e2fe8915ab13c..e547537cffdbc13cfd21b8b8b7210b62996ff431 100644
> --- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
> +++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
> @@ -186,6 +186,47 @@ vph_pwr: regulator-vph-pwr {
>  		regulator-always-on;
>  		regulator-boot-on;
>  	};
> +
> +	sound {
> +		compatible = "qcom,qrb2210-rb1-sndcard", "qcom,qrb4210-rb2-sndcard";
> +		pinctrl-0 = <&lpi_i2s2_active>;
> +		pinctrl-names = "default";
> +		model = "Qualcomm-RB1-WSA8815-Speakers-DMIC0";
> +		audio-routing = "MM_DL1", "MultiMedia1 Playback",
> +				"MM_DL2", "MultiMedia2 Playback";
> +
> +		mm1-dai-link {
> +			link-name = "MultiMedia1";
> +
> +			cpu {
> +				sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>;
> +			};
> +		};
> +
> +		mm2-dai-link {
> +			link-name = "MultiMedia2";
> +
> +			cpu {
> +				sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA2>;
> +			};
> +		};
> +
> +		hdmi-i2s-dai-link {
> +			link-name = "HDMI/I2S Playback";
> +
> +			cpu {
> +				sound-dai = <&q6afedai SECONDARY_MI2S_RX>;
> +			};
> +
> +			platform {
> +				sound-dai = <&q6routing>;
> +			};
> +
> +			codec {
> +				sound-dai = <&lt9611_codec 0>;
> +			};

"codec" < "cpu" < "platform"

with that:

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>

Konrad