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 2033772610; Mon, 15 Sep 2025 20:58:50 +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=1757969931; cv=none; b=WXe2c2GbmzXRmxEyW1Ab7jNpI9hrAU5nbkrmZDLVnj4cvyrIrkob8GMQAwrRh5Jy7W2iymxm5b8Ox3nCE96GDo6AHKax9lEhVvM03oV8pUsAcIsukmA6QlT/gDO5+mxjI1qFPqTCXuXwDT8aUPL5AGft0iFdY0zHyZjma7fx1+s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757969931; c=relaxed/simple; bh=t9q3ouWsJp0hUNsNL8ForeCLdz8chqTcTMColwepR+I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=O1RO9THAUZG2Oq7kvlMC9nJ/LP/xAFJASnFF1qfRme+SL/gLIbs1b5YtJ1b1HBP4aD2qchNWCrzNDr+mB1F5gnQr8ga0e3FIgTVho+PlrxzK1pE4sNKOyluPdy+9BOEVyLRVFJ/9lrHx20h+fxwOiR+JPdjyTyXelRasc9ZiRpg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bZeXzPDG; 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="bZeXzPDG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 84527C4CEF1; Mon, 15 Sep 2025 20:58:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757969930; bh=t9q3ouWsJp0hUNsNL8ForeCLdz8chqTcTMColwepR+I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bZeXzPDGOjtQmsgL6BNUGp11/XFVSj8f0i3/LRMiyfD8MEe8UesDcuoM3C3dkBFJ7 nxZhoZVjUuOquQ3Fx/Pj2/HhMGg/asr3PHst9jXU23roHPb5t4Q6XGTsQg4+P6NLsz gB3RHDugh1TqeIXQ6IYU9YLmLCoKYZb+XEfxnMdAEUhP+2R69G1EH26XJUmHwtq6fN 0VJCPCdZra5sWkYKF0vKqUtrMzHRkXUY2J1MNwBxIyRpIX/z2hS7xqBpAU5tti/TJS ty06y5cPs6on3u4SCYqe9/fWcvstjskIqglYue9N0XX9wvfI4ZGiE2NQ3NRs6Zhddq 6cRt08SVesvig== Date: Mon, 15 Sep 2025 15:58:49 -0500 From: Rob Herring To: Marco Felsch Cc: Greg Kroah-Hartman , 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 Subject: Re: [PATCH v4 3/5] dt-bindings: usb: usb-device: add usb hub port vbus-supply suppport Message-ID: <20250915205849.GA3379566-robh@kernel.org> References: <20250911-v6-16-topic-usb-onboard-dev-v4-0-1af288125d74@pengutronix.de> <20250911-v6-16-topic-usb-onboard-dev-v4-3-1af288125d74@pengutronix.de> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250911-v6-16-topic-usb-onboard-dev-v4-3-1af288125d74@pengutronix.de> On Thu, Sep 11, 2025 at 10:22:44PM +0200, Marco Felsch wrote: > Some PCB designs don't use the dedicated USB hub port power control GPIO > to control the port VBUS supply. Instead host managed GPIOs are used to > control the VBUS supply. > > Signed-off-by: Marco Felsch > --- > Documentation/devicetree/bindings/usb/usb-device.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/usb-device.yaml b/Documentation/devicetree/bindings/usb/usb-device.yaml > index 09fceb469f10525e9dcdb91435b142b0d21964b8..2f891a05ab9bca095eb881c5f601ac27ac63b542 100644 > --- a/Documentation/devicetree/bindings/usb/usb-device.yaml > +++ b/Documentation/devicetree/bindings/usb/usb-device.yaml > @@ -53,6 +53,12 @@ properties: > "#size-cells": > const: 0 > > + vbus-supply: > + description: USB hub port VBUS supply. > + The host managed regulator which controlls the USB hub port VBUS. This controls With that, Reviewed-by: Rob Herring (Arm) > + regulator is only required if the hub internal control signals aren't > + used to control the VBUS regulators. > + > patternProperties: > "^interface@[0-9a-f]{1,2}(,[0-9a-f]{1,2})$": > type: object > > -- > 2.47.3 >