From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 AE0631422DD; Sun, 24 Aug 2025 09:03:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756026203; cv=none; b=bgByGdevg8W79A3pSxCi1HF3j9DSGLC6LzpF2TmNDFpiDKvFDppVUeyZhA/gi63ZJl2zf1nOtxxppUwdkKqha+nlZI/IDDV72Ti0WjWfkYTtF2d8BUKsya02PYTq84Xl+8D4+btcEtAmEih0l4cWaueZL+9odC0zb6E1cNqBd10= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756026203; c=relaxed/simple; bh=aKK+a5Rtq2g2c4ZYWeMrcXzRrs5bD2smvrtbxPiNkFg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=hdiJiY+LFCE+aZ2V6DMwG3QxnbQeEddNtxyxCCjk4hEQuxiLyEVllNLnbJMwO8ZZohwLWD1WmNAzdTAQrqDUtTRcxoSMqvDgsH7vBmv2LK6mJa/NKrjSAm8lE8w3nB/13Lo8LiYBbrLmSofdQ7SSmPfd3HMYYi9NMKzrMA32LoY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RiasseGH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RiasseGH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4A7BEC4CEEB; Sun, 24 Aug 2025 09:03:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756026203; bh=aKK+a5Rtq2g2c4ZYWeMrcXzRrs5bD2smvrtbxPiNkFg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=RiasseGHLltxvDNCMxwushOE4q4tUe/6u5UQN1v/gkJ0M74FjyqY8DKO4qfztpd68 MJnyFvww6ZFVdUtvJWIWCbc2WpJYJTI28Fx/n2T1CFoySwuU4O7YTgSgRVQ6eDzc2f QSGS5AxJfPYg7DYZZQdbPzQlM0jzOHlQV3kyo5dWlSvHUrsLtX8FVsC3dBLIZBdTLD N1spvrCXKE/UzIFhY346cQt4Mu3ct/atUsImruSwSVTQMczp1QL7pbSuw+RwVNRCRO c8QCaCqtRIyQ5LgM/TnncY/jcMfWQVqAFLOrcAtm+hUHQuTssiSPC9GsLqrKILMUJD yFtCnBXhKxErQ== Message-ID: Date: Sun, 24 Aug 2025 11:03:18 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 3/4] dt-bindings: usb: microchip,usb2514: add support for port vbus-supply To: Marco Felsch Cc: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Fabio Estevam , Matthias Kaehlcke , Liam Girdwood , Mark Brown , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, kernel@pengutronix.de References: <20250821-v6-16-topic-usb-onboard-dev-v3-0-6d2b38a5d818@pengutronix.de> <20250821-v6-16-topic-usb-onboard-dev-v3-3-6d2b38a5d818@pengutronix.de> <20250822-maize-elk-of-growth-2a30bb@kuoka> <20250822103005.c7ba7dclbgdadyw7@pengutronix.de> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 22/08/2025 12:30, Marco Felsch wrote: >> The binding does not list ports now, but lists hard-wired devices, so my >> question is now: is this per hard-wired device or per port (even if port >> is hot-pluggable)? > > Sorry but I don't get you. The binding lists the regulators required to > enable/disable the hub downstream port VBUS. These regulators are Is the port an external facing connector or a hard-wired USB device (please read the binding)? > controlled by an external party e.g. the CPU instead of the USB hub > itself. The connection from the CPU to the regulator which controlls the > +5V usb-connector pin is hard-wired, yes. I speak about USB devices. Best regards, Krzysztof