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Message-Id: <20250425-fp4-usb-audio-offload-v1-5-f90f571636e4@fairphone.com>
Date: Fri, 25 Apr 2025 12:44:55 +0200
From: Luca Weiss <luca.weiss@...rphone.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Felipe Balbi <balbi@...nel.org>,
Srinivas Kandagatla <srini@...nel.org>, Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>, Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>,
Wesley Cheng <quic_wcheng@...cinc.com>,
Stephan Gerhold <stephan.gerhold@...aro.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
linux-arm-msm@...r.kernel.org, linux-sound@...r.kernel.org,
Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH 5/6] arm64: dts: qcom: sm6350: Add q6usbdai node
Add a node for q6usb which handles USB audio offloading, allowing to
play audio via a USB-C headset with lower power consumption and enabling
some other features.
Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
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@...0000 {
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 {
--
2.49.0
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