From patchwork Wed Jan 16 11:11:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Puschmann X-Patchwork-Id: 10765747 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B25091580 for ; Wed, 16 Jan 2019 11:12:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A1EBF2C240 for ; Wed, 16 Jan 2019 11:12:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 95E982D6F8; Wed, 16 Jan 2019 11:12:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A46942C3AA for ; Wed, 16 Jan 2019 11:12:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389710AbfAPLLi (ORCPT ); Wed, 16 Jan 2019 06:11:38 -0500 Received: from mx1.emlix.com ([46.4.235.150]:50216 "EHLO mx1.emlix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730062AbfAPLLh (ORCPT ); Wed, 16 Jan 2019 06:11:37 -0500 Received: from mailer.emlix.com (unknown [81.20.119.6]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.emlix.com (Postfix) with ESMTPS id 633FD25EF98; Wed, 16 Jan 2019 12:11:35 +0100 (CET) From: Philipp Puschmann To: gregkh@linuxfoundation.org Cc: robh+dt@kernel.org, mark.rutland@arm.com, Peter.Chen@nxp.com, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Philipp Puschmann Subject: [PATCH v3 1/2] dt-bindings: usb: ci-hdrc-usb2: add property power-active-high Date: Wed, 16 Jan 2019 12:11:32 +0100 Message-Id: <20190116111133.31326-1-philipp.puschmann@emlix.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190116105103.28842-2-philipp.puschmann@emlix.com> References: <20190116105103.28842-2-philipp.puschmann@emlix.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The i.MX6q/dl USB controller may drive the usb power line directly, but the polarity depends on the board. Reset state of the polarity is low-active so add this property to allow it to be high-active. Signed-off-by: Philipp Puschmann Reviewed-by: Rob Herring --- Changes in v3: add description --- Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt index adae82385dd6..8696e3eff6e7 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt @@ -93,6 +93,7 @@ i.mx specific properties - over-current-active-low: over current signal polarity is active low. - over-current-active-high: over current signal polarity is active high. It's recommended to specify the over current polarity. +- power-active-high: power signal polarity is high active (only for imx6q/dl) - external-vbus-divider: enables off-chip resistor divider for Vbus Example: