From patchwork Thu Nov 8 02:10:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thinh Nguyen X-Patchwork-Id: 994615 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=synopsys.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=synopsys.com header.i=@synopsys.com header.b="g5hj2xEV"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42r6FW0phzz9sC7 for ; Thu, 8 Nov 2018 13:10:39 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728561AbeKHLnq (ORCPT ); Thu, 8 Nov 2018 06:43:46 -0500 Received: from smtprelay.synopsys.com ([198.182.47.9]:39434 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728445AbeKHLnp (ORCPT ); Thu, 8 Nov 2018 06:43:45 -0500 Received: from mailhost.synopsys.com (mailhost2.synopsys.com [10.13.184.66]) by smtprelay.synopsys.com (Postfix) with ESMTP id 3A85C24E0DB1; Wed, 7 Nov 2018 18:10:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1541643038; bh=uOhHSNUF7LZRg+MHndUggm7smXwhgOYEwikXVL6tdcI=; h=Date:In-Reply-To:References:From:Subject:To:CC:From; b=g5hj2xEVFaKAzWxwKBZ+QqeOKogLK3buFZyLvj90earhmj9ihy65xM2yLSWJjrL2A wucKUlGFw7ytGdpfskxfm5USsAnnEcx1Pz6fWDjED2RbxVs1HvZMSjriyXa24Lo6kL LGS+y/N2p3qo5DAW7l61nksvjkowtwlqGKM8Rn2xfReg6v5DNj2QJeta2cgF+RgA9g 4nvUdDGPPoIminpli/B48pK/Ie92Sy9fr7U3drV/djUcrTkHmH0OB9ccYBvYPvKKGO NleumtnbO49M3WNXxoIj3F59S5uvwt9B1OG7DiO5u6UZBiUezOFpQGuE0+Q1gBJtpz YZVVf55I5hCxg== Received: from US01WEHTC2.internal.synopsys.com (us01wehtc2.internal.synopsys.com [10.12.239.237]) by mailhost.synopsys.com (Postfix) with ESMTP id F2D423D0A; Wed, 7 Nov 2018 18:10:37 -0800 (PST) Received: from US01WEHTC1.internal.synopsys.com (10.12.239.236) by US01WEHTC2.internal.synopsys.com (10.12.239.237) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 7 Nov 2018 18:10:38 -0800 Received: from te-lab16 (10.13.184.20) by us01wehtc1.internal.synopsys.com (10.12.239.236) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 7 Nov 2018 18:10:36 -0800 Received: by te-lab16 (sSMTP sendmail emulation); Wed, 07 Nov 2018 18:10:36 -0800 Date: Wed, 7 Nov 2018 18:10:36 -0800 Message-ID: <9aa6ae1c68f7936f5f145c8f770348d76106b865.1541642865.git.thinhn@synopsys.com> In-Reply-To: References: From: Thinh Nguyen Subject: [PATCH 2/3] usb: dwc3: Add a property to disable USB2 LPM To: Felipe Balbi , , , Rob Herring , Mark Rutland CC: John Youn MIME-Version: 1.0 X-Originating-IP: [10.13.184.20] Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add an option to disable USB2 LPM from host. There maybe cases where the user does not want to enable USB2 LPM (e.g. USB2 LPM is broken). Signed-off-by: Thinh Nguyen --- Documentation/devicetree/bindings/usb/dwc3.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt index 636630fb92d7..7e33e53e7c29 100644 --- a/Documentation/devicetree/bindings/usb/dwc3.txt +++ b/Documentation/devicetree/bindings/usb/dwc3.txt @@ -37,6 +37,7 @@ Optional properties: - phy-names: from the *Generic PHY* bindings; supported names are "usb2-phy" or "usb3-phy". - resets: a single pair of phandle and reset specifier + - snps,usb2-lpm-disable: indicate if we don't want to enable USB2 HW LPM - snps,usb3_lpm_capable: determines if platform is USB3 LPM capable - snps,disable_scramble_quirk: true when SW should disable data scrambling. Only really useful for FPGA builds.