From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 235653D5C12; Thu, 13 Aug 2026 09:53:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786614834; cv=none; b=sqGlDcuJkQj95Ir7rbcTj42e1KaEIrptNyj749WrHQ0KLh50AXHXC/10cvCNnvdOQ9PYy9J385QHUhRAiKYHJi8DfasdOZgc0E3UG6PF9XAxdGTlGOwLz6aOLzKSyASIvkDiXtOgf257UqgaowFDBCAslacUce259c8HdE7UoSg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786614834; c=relaxed/simple; bh=ERkzY3XKRtOcgcjvoUldK5iT4qh/eP245eOV2fHJkD4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mKAk+tcCuKoJjE210dt9CEuYd2oDaS2kbVyvVJpPMI0w7r7Tj5Dtjl+4RSxfmBQvqzmQjbffQDFy8V8lbyFmG6F2juS+z6+o7Fik4ctEHn9yzlXZXu+OIJiiaVGK01nC6y+mcNWdDaMQVXgXtD5gLK46yJatMnPw+9s5bxpfJM0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Qx1JP6NM; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Qx1JP6NM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0BF0D1F00A3A; Thu, 13 Aug 2026 09:53:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786614832; bh=TkseypEzImRBrRzDJilNZepBrSFi084HZ1yLzXcIWeo=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=Qx1JP6NMpMy4Jx0QNf0LOsQekAR8GODiRq89TX0z1rVotr30r9AHh9AqS/uxPDwsQ PbVQRTiFMiqYYsaKcQihSGIWqucsfgunLkObLDWorGLKpiOtI75/wJDc4hxPISvAaH q8HCqiG3YEd7p4Q+5L6U0iw371hgk+3ka97zSeQd6ICyKAm9R3snYW7m/1O3+/Ck0o bRJlbkRDOnPnB4OQpFFgE1J4lN7TDXNZClxSmhsM0gvd2QhORG5AzIhqq9F9cFD+OB 7/IeVPNZR8X5ZwWVT93/cRN2ziDc1wYombmpO2GoP67I2XoF6kfytqkSPCmwWL7HLn 0SZZnLFjVXsOA== Date: Thu, 13 Aug 2026 11:53:43 +0200 From: Krzysztof Kozlowski To: Dmitry Baryshkov Cc: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexander Stein , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Oleksij Rempel , Matthias Kaehlcke , Fabio Estevam , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH 4/8] dt-bindings: usb: microchip,usb2514: document the USB4604 hub Message-ID: <20260813-visionary-fiery-saluki-ef86b5@quoll> References: <20260810-msm8974-onboard-usb-v1-0-08a805768328@oss.qualcomm.com> <20260810-msm8974-onboard-usb-v1-4-08a805768328@oss.qualcomm.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260810-msm8974-onboard-usb-v1-4-08a805768328@oss.qualcomm.com> On Mon, Aug 10, 2026 at 03:42:35AM +0300, Dmitry Baryshkov wrote: > The SMSC/Microchip USB4604 HSIC hub on the APQ8074 Dragonboard has its > RESET_N pin wired to a PMIC GPIO. On this board the hub SMBus > configuration interface is not usable (the bus pull-ups are referenced > to 1.8V while the hub samples the strap against its 3.3V rail), so the > hub runs in standalone mode and only needs its reset released, which > has to be described in DT. > > Document the USB4604 device ID (0424:4604, the ID used when the > upstream port operates in HSIC mode) in the onboard hub schema. > > Assisted-by: Claude:claude-fable-5 > Signed-off-by: Dmitry Baryshkov > --- Acked-by: Krzysztof Kozlowski Best regards, Krzysztof