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Tue, 21 Oct 2025 23:07:07 -0700 (PDT) From: Alexey Klimov Date: Wed, 22 Oct 2025 07:06:43 +0100 Subject: [PATCH v3 3/3] arm64: dts: qcom: qrb2210-rb1: add HDMI/I2S audio playback support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251022-rb1_hdmi_audio-v3-3-0d38f777a547@linaro.org> References: <20251022-rb1_hdmi_audio-v3-0-0d38f777a547@linaro.org> In-Reply-To: <20251022-rb1_hdmi_audio-v3-0-0d38f777a547@linaro.org> To: Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Srinivas Kandagatla Cc: Dmitry Baryshkov , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, Alexey Klimov , Konrad Dybcio X-Mailer: b4 0.14.2 Add sound node and aDSP-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=3DMIXER,name=3D'SEC_MI2S_RX Audio Mixer MultiMedia1' 1 aplay -D hw:0,0 /usr/share/sounds/alsa/Front_Center.wav Cc: Srinivas Kandagatla Reviewed-by: Konrad Dybcio Signed-off-by: Alexey Klimov --- arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 55 ++++++++++++++++++++++++++++= ++++ 1 file changed, 55 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts= /qcom/qrb2210-rb1.dts index 67ba508e92ba1f0ef3bcf8b248eae125de059869..43af25d17aa8314354b1ecb8617= 510cdd6c857a3 100644 --- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts +++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts @@ -188,6 +188,53 @@ vph_pwr: regulator-vph-pwr { regulator-always-on; regulator-boot-on; }; + + sound { + compatible =3D "qcom,qrb2210-sndcard"; + pinctrl-0 =3D <&lpi_i2s2_active>; + pinctrl-names =3D "default"; + model =3D "Qualcomm-RB1-WSA8815-Speaker-DMIC0"; + + mm1-dai-link { + link-name =3D "MultiMedia1"; + + cpu { + sound-dai =3D <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>; + }; + }; + + mm2-dai-link { + link-name =3D "MultiMedia2"; + + cpu { + sound-dai =3D <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA2>; + }; + }; + + mm3-dai-link { + link-name =3D "MultiMedia3"; + + cpu { + sound-dai =3D <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA3>; + }; + }; + + hdmi-i2s-dai-link { + link-name =3D "HDMI/I2S Playback"; + + codec { + sound-dai =3D <<9611_codec 0>; + }; + + cpu { + sound-dai =3D <&q6afedai SECONDARY_MI2S_RX>; + }; + + platform { + sound-dai =3D <&q6routing>; + }; + }; + }; }; =20 &cpu_pd0 { @@ -323,6 +370,14 @@ &pm4125_vbus { status =3D "okay"; }; =20 +/* SECONDARY I2S uses 1 I2S SD Line for audio on LT9611UXC HDMI Bridge */ +&q6afedai { + dai@18 { + reg =3D ; + qcom,sd-lines =3D <0>; + }; +}; + &qupv3_id_0 { status =3D "okay"; }; --=20 2.47.3