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Cc: Wesley Cheng Signed-off-by: Luca Weiss --- Documentation/devicetree/bindings/usb/snps,dwc3-common.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3-common.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3-common.yaml index 6c0b8b6538246adf746fe7ccd6df936131c61444..07549dec0f74234465fa9b6ab21871762a2f5127 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3-common.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3-common.yaml @@ -38,6 +38,10 @@ properties: - description: USB2/HS PHY - description: USB3/SS PHY + usb-soc-be: + $ref: /schemas/types.yaml#/definitions/phandle + description: Link to the USB SoC sound backend + phys: minItems: 1 maxItems: 19 From patchwork Fri Apr 25 10:44:52 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Weiss X-Patchwork-Id: 884595 Received: from mail-ej1-f43.google.com (mail-ej1-f43.google.com [209.85.218.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8992C242922 for ; 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[2a02:8388:6584:6400:d322:7350:96d2:429d]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ace6e4e7b98sm118765066b.66.2025.04.25.03.46.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Apr 2025 03:46:22 -0700 (PDT) From: Luca Weiss Date: Fri, 25 Apr 2025 12:44:52 +0200 Subject: [PATCH 2/6] ASoC: dt-bindings: qcom,q6afe: Document q6usb subnode Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250425-fp4-usb-audio-offload-v1-2-f90f571636e4@fairphone.com> References: <20250425-fp4-usb-audio-offload-v1-0-f90f571636e4@fairphone.com> In-Reply-To: <20250425-fp4-usb-audio-offload-v1-0-f90f571636e4@fairphone.com> To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Felipe Balbi , Srinivas Kandagatla , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Bjorn Andersson , Konrad Dybcio , Wesley Cheng , Stephan Gerhold Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org, Luca Weiss X-Mailer: b4 0.14.2 Document the subnode for Q6USB, used for USB audio offloading. Cc: Wesley Cheng Signed-off-by: Luca Weiss --- Documentation/devicetree/bindings/sound/qcom,q6afe.yaml | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/qcom,q6afe.yaml b/Documentation/devicetree/bindings/sound/qcom,q6afe.yaml index 297aa362aa54ab41a956b3ceda73d4c7027d72a7..268f7073d7972da2ef46d36264c0f7d8f648071b 100644 --- a/Documentation/devicetree/bindings/sound/qcom,q6afe.yaml +++ b/Documentation/devicetree/bindings/sound/qcom,q6afe.yaml @@ -29,6 +29,12 @@ properties: unevaluatedProperties: false description: Qualcomm DSP audio ports + usbd: + type: object + $ref: /schemas/sound/qcom,q6usb.yaml# + unevaluatedProperties: false + description: Qualcomm DSP USB audio ports + required: - compatible - dais @@ -64,5 +70,12 @@ examples: qcom,sd-lines = <0 1 2 3>; }; }; + + usbd { + compatible = "qcom,q6usb"; + #sound-dai-cells = <1>; + iommus = <&apps_smmu 0x180f 0x0>; + qcom,usb-audio-intr-idx = /bits/ 16 <2>; + }; }; }; From patchwork Fri Apr 25 10:44:53 2025 Content-Type: text/plain; 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Signed-off-by: Luca Weiss --- Documentation/devicetree/bindings/sound/qcom,sm8250.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml index 57f62a228c262f38e703816efdcf443355052619..6f82e5cf6df30e021692015df9ad7b09d4b2c7c6 100644 --- a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml +++ b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml @@ -28,6 +28,7 @@ properties: - qcom,sm8750-sndcard - const: qcom,sm8450-sndcard - enum: + - fairphone,fp4-sndcard - fairphone,fp5-sndcard - qcom,apq8096-sndcard - qcom,qcm6490-idp-sndcard From patchwork Fri Apr 25 10:44:54 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Weiss X-Patchwork-Id: 884895 Received: from mail-ej1-f49.google.com (mail-ej1-f49.google.com [209.85.218.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EE15624A06D for ; 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Signed-off-by: Luca Weiss --- sound/soc/qcom/sm8250.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/qcom/sm8250.c b/sound/soc/qcom/sm8250.c index 43c93e24d77259f232062c7e4182a39151111c59..0025c8957abddf54d0aab6eb68acc79f031917f9 100644 --- a/sound/soc/qcom/sm8250.c +++ b/sound/soc/qcom/sm8250.c @@ -208,6 +208,7 @@ static int sm8250_platform_probe(struct platform_device *pdev) } static const struct of_device_id snd_sm8250_dt_match[] = { + { .compatible = "fairphone,fp4-sndcard", .data = "sm7225" }, { .compatible = "fairphone,fp5-sndcard", .data = "qcm6490" }, { .compatible = "qcom,qrb4210-rb2-sndcard", .data = "sm8250" }, { .compatible = "qcom,qrb5165-rb5-sndcard", .data = "sm8250" }, From patchwork Fri Apr 25 10:44:55 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Weiss X-Patchwork-Id: 884593 Received: from mail-ej1-f51.google.com (mail-ej1-f51.google.com [209.85.218.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8B85624DFE4 for ; 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Signed-off-by: Luca Weiss Reviewed-by: Dmitry Baryshkov --- arch/arm64/boot/dts/qcom/sm6350.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm6350.dtsi b/arch/arm64/boot/dts/qcom/sm6350.dtsi index 375f964e793626115609996aa25ea4e0fefe6c5e..9a1b9f02282a0cf2e39bf2ade21989dbf4362bc1 100644 --- a/arch/arm64/boot/dts/qcom/sm6350.dtsi +++ b/arch/arm64/boot/dts/qcom/sm6350.dtsi @@ -1351,6 +1351,13 @@ q6afecc: clock-controller { compatible = "qcom,q6afe-clocks"; #clock-cells = <2>; }; + + q6usbdai: usbd { + compatible = "qcom,q6usb"; + iommus = <&apps_smmu 0x100f 0x0>; + #sound-dai-cells = <1>; + qcom,usb-audio-intr-idx = /bits/ 16 <2>; + }; }; q6asm: service@7 { @@ -1988,6 +1995,7 @@ usb_1_dwc3: usb@a600000 { snps,dis-u2-entry-quirk; phys = <&usb_1_hsphy>, <&usb_1_qmpphy QMP_USB43DP_USB3_PHY>; phy-names = "usb2-phy", "usb3-phy"; + usb-soc-be = <&q6usbdai>; usb-role-switch; ports { From patchwork Fri Apr 25 10:44:56 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Weiss X-Patchwork-Id: 884894 Received: from mail-ej1-f50.google.com (mail-ej1-f50.google.com [209.85.218.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 949AB24886C for ; 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[2a02:8388:6584:6400:d322:7350:96d2:429d]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ace6e4e7b98sm118765066b.66.2025.04.25.03.46.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Apr 2025 03:46:27 -0700 (PDT) From: Luca Weiss Date: Fri, 25 Apr 2025 12:44:56 +0200 Subject: [PATCH 6/6] arm64: dts: qcom: sm7225-fairphone-fp4: Enable USB audio offload support Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250425-fp4-usb-audio-offload-v1-6-f90f571636e4@fairphone.com> References: <20250425-fp4-usb-audio-offload-v1-0-f90f571636e4@fairphone.com> In-Reply-To: <20250425-fp4-usb-audio-offload-v1-0-f90f571636e4@fairphone.com> To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Felipe Balbi , Srinivas Kandagatla , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Bjorn Andersson , Konrad Dybcio , Wesley Cheng , Stephan Gerhold Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org, Luca Weiss X-Mailer: b4 0.14.2 Enable USB audio offloading which allows to play audio via a USB-C headset with lower power consumption and enabling some other features. This can be used like the following: $ amixer -c0 cset name='USB_RX Audio Mixer MultiMedia1' On $ aplay --device=plughw:0,0 test.wav Compared to regular playback to the USB sound card no interrupts should appear on the xhci-hcd interrupts during playback, instead the ADSP will be handling the playback. Signed-off-by: Luca Weiss --- arch/arm64/boot/dts/qcom/sm6350.dtsi | 3 ++ arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts | 37 +++++++++++++++++++++++ 2 files changed, 40 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm6350.dtsi b/arch/arm64/boot/dts/qcom/sm6350.dtsi index 9a1b9f02282a0cf2e39bf2ade21989dbf4362bc1..ade69296cbc99eab3ee6dc020f2064d102a3b115 100644 --- a/arch/arm64/boot/dts/qcom/sm6350.dtsi +++ b/arch/arm64/boot/dts/qcom/sm6350.dtsi @@ -2956,6 +2956,9 @@ wifi: wifi@18800000 { }; }; + sound: sound { + }; + thermal-zones { aoss0-thermal { thermal-sensors = <&tsens0 0>; diff --git a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts index 71e87ab929551b339216a5fa583833ed8661a606..0f8e0a988db0d32384f39537731c77344ec50cf2 100644 --- a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts +++ b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts @@ -19,6 +19,7 @@ #include #include #include +#include #include #include "sm7225.dtsi" #include "pm6150l.dtsi" @@ -955,6 +956,12 @@ channel@644 { }; }; +&q6asmdai { + dai@0 { + reg = ; + }; +}; + &qup_uart1_cts { /* * Configure a bias-bus-hold on CTS to lower power @@ -1023,6 +1030,35 @@ &sdhc_2 { status = "okay"; }; +&sound { + compatible = "fairphone,fp4-sndcard"; + model = "Fairphone 4"; + + mm1-dai-link { + link-name = "MultiMedia1"; + + cpu { + sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>; + }; + }; + + usb-dai-link { + link-name = "USB Playback"; + + cpu { + sound-dai = <&q6afedai USB_RX>; + }; + + codec { + sound-dai = <&q6usbdai USB_RX>; + }; + + platform { + sound-dai = <&q6routing>; + }; + }; +}; + &tlmm { gpio-reserved-ranges = <13 4>, <56 2>; @@ -1178,6 +1214,7 @@ &usb_1 { &usb_1_dwc3 { maximum-speed = "super-speed"; dr_mode = "otg"; + num-hc-interrupters = /bits/ 16 <3>; }; &usb_1_dwc3_hs_out {