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Sat, 01 Mar 2025 18:50:07 -0800 (PST) From: Alexey Klimov Date: Sun, 02 Mar 2025 02:49:55 +0000 Subject: [PATCH 5/5] 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: <20250302-rb1_hdmi_sound_first-v1-5-81a87ae1503c@linaro.org> References: <20250302-rb1_hdmi_sound_first-v1-0-81a87ae1503c@linaro.org> In-Reply-To: <20250302-rb1_hdmi_sound_first-v1-0-81a87ae1503c@linaro.org> To: Bjorn Andersson , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Srinivas Kandagatla , Liam Girdwood , Mark Brown Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, Alexey Klimov X-Mailer: b4 0.14.2 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=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 Signed-off-by: Alexey Klimov Reviewed-by: Konrad Dybcio --- 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..e547537cffdbc13cfd21b8b8b72= 10b62996ff431 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 =3D "qcom,qrb2210-rb1-sndcard", "qcom,qrb4210-rb2-sndcard"; + pinctrl-0 =3D <&lpi_i2s2_active>; + pinctrl-names =3D "default"; + model =3D "Qualcomm-RB1-WSA8815-Speakers-DMIC0"; + audio-routing =3D "MM_DL1", "MultiMedia1 Playback", + "MM_DL2", "MultiMedia2 Playback"; + + 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>; + }; + }; + + hdmi-i2s-dai-link { + link-name =3D "HDMI/I2S Playback"; + + cpu { + sound-dai =3D <&q6afedai SECONDARY_MI2S_RX>; + }; + + platform { + sound-dai =3D <&q6routing>; + }; + + codec { + sound-dai =3D <<9611_codec 0>; + }; + }; + }; }; =20 &cpu_pd0 { @@ -321,6 +362,14 @@ &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 2.47.2