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Mon, 28 Apr 2025 00:34:26 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Mon, 28 Apr 2025 09:34:11 +0200 Message-Id: From: "Luca Weiss" To: "Wesley Cheng" , "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" , "Stephan Gerhold" Cc: <~postmarketos/upstreaming@lists.sr.ht>, , , , , "Krzysztof Kozlowski" , , Subject: Re: [PATCH 1/6] dt-bindings: usb: dwc3: Document usb-soc-be property X-Mailer: aerc 0.20.1-0-g2ecb8770224a References: <20250425-fp4-usb-audio-offload-v1-0-f90f571636e4@fairphone.com> <20250425-fp4-usb-audio-offload-v1-1-f90f571636e4@fairphone.com> In-Reply-To: On Fri Apr 25, 2025 at 11:39 PM CEST, Wesley Cheng wrote: > > > On 4/25/2025 3:44 AM, Luca Weiss wrote: >> The property usb-soc-be is used by the new SoC USB layer which is used >> for USB audio offloading on Qualcomm SoCs. > > Hi Luca, > > This property can be dropped now, as in the latest revision I added > utilizing the auxiliary device/bus now between the Q6USB backend DAI and > the vendor USB offload driver. Reduces the need to add more properties. Great, thanks for letting me know! Will remove it in v2. I see the code in sound/soc/soc-usb.c is still parsing 'usb-soc-be', is that now kept for other use cases or should that be removed as well? Regards Luca > > Thanks > Wesley Cheng > >>=20 >> Cc: Wesley Cheng >> Signed-off-by: Luca Weiss >> --- >> Documentation/devicetree/bindings/usb/snps,dwc3-common.yaml | 4 ++++ >> 1 file changed, 4 insertions(+) >>=20 >> diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3-common.yaml= b/Documentation/devicetree/bindings/usb/snps,dwc3-common.yaml >> index 6c0b8b6538246adf746fe7ccd6df936131c61444..07549dec0f74234465fa9b6a= b21871762a2f5127 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 >> =20 >> + usb-soc-be: >> + $ref: /schemas/types.yaml#/definitions/phandle >> + description: Link to the USB SoC sound backend >> + >> phys: >> minItems: 1 >> maxItems: 19 >>=20