From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 97E55606A333 for ; Tue, 10 Nov 2026 10:41:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=MBT6XQ9e; dkim=fail reason="signature verification failed" (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=KKaAoDLQ DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; 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Tue, 10 Nov 2026 10:41:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794307288; bh=1JSKtyJeBKbXkGGW3NfSoidRzUvmtli6dOhv6QjYw5M=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=KKaAoDLQblsfg/eXiGJP3JUJ9YUD4F8xzGF+0WunmkTv+sjD2MOjUuWEcM0/0A0Mr 5z1erOsZmE1vTY9P4QCJ1bIwii8UFYwT/1mBUONKGPFyctYMlLYczbyC23+2TtmRGW h92sF1r4sWebrF84u/4K4foJNDcqPbQs+81j+mbDHUhHH+fGmelGrQl7CwgKacBSD0 fYWp9bzrmKmf9QMVkW1MAvHH2Z1HyzYM0ct3EIHF6qSGkPRqE1gZ0wB72raRFz/40G J6QHn6GqrqbGXTqVgxFzFVGhyzNAXGq66STt1QhUIk661wVHmQmG+r8MHUSTiN30RN Lh8enkyahzXfw== Message-ID: Date: Tue, 10 Nov 2026 11:41:22 +0100 X-Archived-By: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/4] arm64: dts: rockchip: Describe the USB3 Type-A connector on Orange Pi 5/5B To: aiyengar1990@gmail.com, Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Alan Stern Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org References: <20261110-usb-port-pairing-v1-0-9307e29d2ed2@gmail.com> <20261110-usb-port-pairing-v1-4-9307e29d2ed2@gmail.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" X-Spam-Status: No, score=-10.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On 10/11/2026 08:20, Arun Iyengar via B4 Relay wrote: > From: Arun Iyengar > > The upper Type-A port of the Orange Pi 5 and 5B has its USB 2.0 lines > on USB 2.0 host 1 (EHCI/OHCI) and its SuperSpeed lanes on the > SuperSpeed-only USB 3.0 host 2 (xHCI). The lower Type-A port is USB 2.0 > only, on host 0. > > Describe the upper port as a usb-a-connector linked to both > controllers, so that the USB core pairs the EHCI root hub port with the > xHCI SuperSpeed port. Without that, a USB 3 device plugged in at boot > is enumerated by the EHCI before the xHCI is up and stays at high > speed. > > VBUS of the port is not switched (the vendor DT has it on an always-on > 5 V rail), so it is described as coming from vcc5v0_sys. > > Signed-off-by: Arun Iyengar > --- DTS cannot be combined in this patchset and must be split. Don't mix patches from independent subsystems when you send something explicitly targeting only one subsystem. See also: Documentation/devicetree/bindings/submitting-patches.rst Best regards, Krzysztof _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip