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[144.178.202.138]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-acb6ef41605sm115901966b.124.2025.04.18.06.14.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Apr 2025 06:14:03 -0700 (PDT) From: Luca Weiss Date: Fri, 18 Apr 2025 15:13:46 +0200 Subject: [PATCH v2 5/5] arm64: dts: qcom: qcm6490-fairphone-fp5: Add DisplayPort sound 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: <20250418-fp5-dp-sound-v2-5-05d65f084b05@fairphone.com> References: <20250418-fp5-dp-sound-v2-0-05d65f084b05@fairphone.com> In-Reply-To: <20250418-fp5-dp-sound-v2-0-05d65f084b05@fairphone.com> To: Srinivas Kandagatla , Banajit Goswami , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai , Bjorn Andersson , Konrad Dybcio Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Luca Weiss X-Mailer: b4 0.14.2 Add the required nodes for sound playback via a connected external display (DisplayPort over USB-C). In user space just the following route needs to be set (e.g. using ALSA UCM): amixer -c0 cset name=3D'DISPLAY_PORT_RX Audio Mixer MultiMedia1' 1 Afterwards one can play audio on the MultiMedia1 sound device, e.g.: aplay -D plughw:0,0 test.wav Signed-off-by: Luca Weiss Reviewed-by: Dmitry Baryshkov --- arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts | 31 ++++++++++++++++++= ++++ 1 file changed, 31 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts b/arch/arm6= 4/boot/dts/qcom/qcm6490-fairphone-fp5.dts index 9e8f9fb57c4723a24704a8239a86c6081910916b..e115b6a52b299ef663ccfb61478= 5f8f89091f39d 100644 --- a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts +++ b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts @@ -14,6 +14,8 @@ #include #include #include +#include +#include #include "sc7280.dtsi" #include "pm7250b.dtsi" #include "pm7325.dtsi" @@ -1147,6 +1149,35 @@ &sdhc_2 { status =3D "okay"; }; =20 +&sound { + compatible =3D "fairphone,fp5-sndcard"; + model =3D "Fairphone 5"; + + mm1-dai-link { + link-name =3D "MultiMedia1"; + + cpu { + sound-dai =3D <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>; + }; + }; + + displayport-rx-dai-link { + link-name =3D "DisplayPort Playback"; + + codec { + sound-dai =3D <&mdss_dp>; + }; + + cpu { + sound-dai =3D <&q6afedai DISPLAY_PORT_RX>; + }; + + platform { + sound-dai =3D <&q6routing>; + }; + }; +}; + &spi13 { status =3D "okay"; =20 --=20 2.49.0