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Sun, 26 Nov 2023 22:02:22 -0800 (PST) Message-ID: <53e1f6e6-a28e-45af-991e-75b283a21b34@broadcom.com> Date: Sun, 26 Nov 2023 22:02:20 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/3] ARM: dts: bcm2711-rpi-cm4-io: Enable xHCI host To: Stefan Wahren , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Mathias Nyman Cc: bcm-kernel-feedback-list@broadcom.com, Cyril Brulebois , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20231126025612.12522-1-wahrenst@gmx.net> From: Justin Chen In-Reply-To: <20231126025612.12522-1-wahrenst@gmx.net> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231126_220225_757866_5D9E7A0C X-CRM114-Status: GOOD ( 14.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8633794271335650856==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============8633794271335650856== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000b36009060b1c0b20" --000000000000b36009060b1c0b20 Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/25/23 6:56 PM, Stefan Wahren wrote: > In contrast to the Raspberry Pi 4, the Compute Module 4 or the IO board > does not have a VL805 USB 3.0 host controller, which is connected via > PCIe. Instead, the BCM2711 on the Compute Module provides the built-in > xHCI. > Does this work? I maintain this built-in xHCI controller internally. I wasn't aware the Compute Module uses this block. This block is held in reset and needs a bit toggled to get things going. Florian, just to confirm, this is our "brcm,xhci-brcm-v2" block correct? Justin > Stefan Wahren (3): > dt-bindings: usb: xhci: Add optional power-domains > ARM: dts: bcm2711: Add generic xHCI > ARM: dts: bcm2711-rpi-cm4-io: Enable xHCI host > > Documentation/devicetree/bindings/usb/generic-xhci.yaml | 3 +++ > arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts | 9 ++++++++- > arch/arm/boot/dts/broadcom/bcm2711-rpi.dtsi | 5 +++++ > arch/arm/boot/dts/broadcom/bcm2711.dtsi | 9 +++++++++ > 4 files changed, 25 insertions(+), 1 deletion(-) > > -- > 2.34.1 > --000000000000b36009060b1c0b20 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQagYJKoZIhvcNAQcCoIIQWzCCEFcCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3BMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE 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