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 BFF04606A882 for ; Thu, 12 Nov 2026 09:56:57 +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=1AFAiWZm; dkim=pass (2048-bit key) header.d=sntech.de header.i=@sntech.de header.a=rsa-sha256 header.s=gloria202408 header.b=Xic6RRQk DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=z6JTZh8vNDGRD9x0jZi5MafAeLnjKMbQyD95TlqG/OM=; b=1AFAiWZmLANtkqXcNzW5V7J4oi 2iMAAbQ7hI9yAQ4uSjnjEhw/sbtCg80gnuFg1Gg3eTA4HdIysXmkqZ7C/yHdp+xuDsMaoYKlOyR+q 3l3DGLbuQHWYqV2M1YoltvYnNHy+p7MK86UHfLSFi4T+2on9MOWrvtJb0cTojHmyqnJgqYZD9fuhs Q1/AWxaQhTQx9z6OV42meFKu+BK/OhBRQhHnSEf0WrBLr04BTql1F/fswudC6wmm9+FKPZt6IfZfH xFRHYc3eiLNIKxYKzPxQpkJIUD2dGFcOQC8Gd/NafapxjehxjkXjRRuOqYa/MY84VbetvKkzoyO26 IpeIV2hg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xRRY2-00000009RHt-0ABh; Thu, 12 Nov 2026 09:56:50 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xRRXr-00000009RDs-1nHL; Thu, 12 Nov 2026 09:56:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Type:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To; bh=z6JTZh8vNDGRD9x0jZi5MafAeLnjKMbQyD95TlqG/OM=; b=Xic6RRQkqxB4/7hx0qfNs4vPAH 6jnUKY/DtcS/rcmP+Jzd58MEZw/xE2ekU9owR/e2/PLQxcceHWCLf+UGK5uA0mtExyxxy3DIPjSOw YPrePb+ZSdV2E8o+LGOnvRB/DTJU7cT2q58WZeKj4bTgDkCxS4d+1UVLGKKwGeeE7sE5Hg1Tm1J/7 uxKwRBcuovEWZK5ny7FaX1SqEeLFaMVk3O4ADPVh8Lwt/TiOMwnLiB+X8VB1hqFiZ+I13/Ahz5iGv uTgJONfjj/MeC49xcJWWa6B83ezlAW5JgiA0I8htiX85JVt4TeNVfl5pUsQtE2wO7gyzTaoo+gjsP C/EoR3Cw==; From: Heiko =?UTF-8?B?U3TDvGJuZXI=?= To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , aiyengar1990@gmail.com Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Arun Iyengar Subject: Re: [PATCH v2] arm64: dts: rockchip: Mark the Orange Pi 5/5B Type-C port self-powered Date: Thu, 12 Nov 2026 10:56:32 +0100 Message-ID: In-Reply-To: <20261112-opi5-typec-self-powered-v2-1-751906d65b70@gmail.com> References: <20261112-opi5-typec-self-powered-v2-1-751906d65b70@gmail.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261112_015639_560887_9D19A39C X-CRM114-Status: GOOD ( 13.74 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 Am Donnerstag, 12. November 2026, 09:25:10 Mitteleurop=C3=A4ische Normalzei= t schrieb Arun Iyengar via B4 Relay: > From: Arun Iyengar >=20 > The board is powered from its separate power-only USB-C input. The > FUSB302 port's VBUS comes from vcc5v0_sys through a load switch, so the > board never runs from this port's VBUS. >=20 > Without self-powered, tcpm keeps Rp on CC during PORT_RESET (error > recovery), because opening CC on a port-powered device would remove its > own supply. With self-powered, the port opens CC for tErrorRecovery > whenever it resets, including at boot. A partner left in a stale state > by a warm reboot then sees a real detach. >=20 > Signed-off-by: Arun Iyengar > --- > This was patch 3 of the series "usb: typec: Find a Type-C partner > after a warm reboot on the Orange Pi 5"; it is split out of v2 of that > series so that it goes through the Rockchip tree. It does not depend on > that series to build, but without its tcpm patch ("usb: typec: tcpm: > Don't cut a pending state delay short on a re-queue" [1]) the open-CC > period at boot is cut short. As you describe this as fixing a stale state accross reboots, does applying this before the tcpm patch degrade current functionality of the device? Thanks Heiko