Re: [PATCH 5/5] arm64: dts: qcom: qrb2210-rb1: add HDMI/I2S audio playback support
From: Alexey Klimov
Date: Thu Sep 18 2025 - 10:15:06 EST
On Tue Mar 4, 2025 at 4:56 PM GMT, Konrad Dybcio wrote:
> 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 = <<9611_codec 0>;
>> + };
>
> "codec" < "cpu" < "platform"
>
> with that:
>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Yes, you're right. I need to sort it for the next version. Thanks.
Best regards,
Alexey