From patchwork Thu Mar 27 17:27:59 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marco Felsch X-Patchwork-Id: 876701 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A17B0218EBE for ; Thu, 27 Mar 2025 17:28:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743096530; cv=none; b=GC7FutfOJlebXhK2CfqNDwb3CITe1Nd3cR+lU6xIUAV+eMdBNUg62n9kPhUpN4B3gdAFRMMqkOMJwCU7mQDuc92TIEtNVDmtcCK/ihsL9Ju+Z8jPcIE6ZsJCN5F32hmAWZsPfrrxIMB19WocW60Ihj6qa6C77W5hv3+8akvzWoY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743096530; c=relaxed/simple; bh=Ewb3hGLmllHwmqOj+nkzsevSgEtBKa46vN6xsQyAXtU=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=Y69rFmHQZo649gNkE9dJpcVq87eqesl8OF91Kc/qgMrTZVVuMoJcxAok+qmffh37H5kpI86sMBz1tDhRgxucDsKfs5bnQfYUKs22dQimvcYLP9Ffj9aTLyimHjmocEjmIYP69R/+ZP5Mz5DPL9AGlNzSEjut3A2JaLAKGbL2Mnc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1txr1m-0002hN-Uv; Thu, 27 Mar 2025 18:28:26 +0100 From: Marco Felsch To: gregkh@linuxfoundation.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, mka@chromium.org, lgirdwood@gmail.com, broonie@kernel.org, festevam@denx.de, stern@rowland.harvard.edu Cc: kernel@pengutronix.de, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/4] Add ext. port vbus handling for onboard-dev Date: Thu, 27 Mar 2025 18:27:59 +0100 Message-Id: <20250327172803.3404615-1-m.felsch@pengutronix.de> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::28 X-SA-Exim-Mail-From: m.felsch@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-usb@vger.kernel.org Hi, this small series is the successor of [1]. The intend of this series is to make it possible to switch the vbus of the downstream ports of an onboard-dev hub via ext. regulators controlled via the host. The approach from v1 was not sufficient since it caused compile errors. We indentified the issue and went with idea-3 [2] to fix this. Regards, Marco [1] https://lore.kernel.org/all/20240807-b4-v6-10-topic-usb-onboard-dev-v1-0-f33ce21353c9@pengutronix.de/ [2] https://lore.kernel.org/all/wtvhsdo2zefehkgfcp2cfdl2uht4lcrytyjyhwjhnpcyvx4kd2@iurrw554aegh/ Marco Felsch (4): usb: port: track the disabled state usb: hub: add infrastructure to pass onboard_dev port features dt-bindings: usb: microchip,usb2514: add support for port vbus-supply usb: misc: onboard_dev: add ext-vbus-supply handling .../bindings/usb/microchip,usb2514.yaml | 6 ++ drivers/usb/core/hub.c | 55 ++++++++++- drivers/usb/core/hub.h | 4 + drivers/usb/core/port.c | 6 ++ drivers/usb/misc/onboard_usb_dev.c | 95 +++++++++++++++++++ drivers/usb/misc/onboard_usb_dev.h | 3 + include/linux/usb.h | 3 + 7 files changed, 170 insertions(+), 2 deletions(-)