From patchwork Mon May 21 17:27:41 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 10416037 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C9F5A600CC for ; Mon, 21 May 2018 17:29:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BBA6628986 for ; Mon, 21 May 2018 17:29:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B023C28992; Mon, 21 May 2018 17:29:44 +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=unavailable 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 45B9428986 for ; Mon, 21 May 2018 17:29:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753314AbeEUR3a (ORCPT ); Mon, 21 May 2018 13:29:30 -0400 Received: from relay4-d.mail.gandi.net ([217.70.183.196]:44089 "EHLO relay4-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753247AbeEUR16 (ORCPT ); Mon, 21 May 2018 13:27:58 -0400 X-Originating-IP: 2.224.242.101 Received: from w540.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101]) (Authenticated sender: jacopo@jmondi.org) by relay4-d.mail.gandi.net (Postfix) with ESMTPSA id EBB35E0007; Mon, 21 May 2018 19:27:57 +0200 (CEST) From: Jacopo Mondi To: niklas.soderlund@ragnatech.se, laurent.pinchart@ideasonboard.com, horms@verge.net.au, geert@glider.be Cc: Jacopo Mondi , linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH v2 2/4] dt-bindings: media: rcar-vin: Document data-active Date: Mon, 21 May 2018 19:27:41 +0200 Message-Id: <1526923663-8179-3-git-send-email-jacopo+renesas@jmondi.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1526923663-8179-1-git-send-email-jacopo+renesas@jmondi.org> References: <1526923663-8179-1-git-send-email-jacopo+renesas@jmondi.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Document 'data-active' property in R-Car VIN device tree bindings. Signed-off-by: Jacopo Mondi v1 -> v2: - HSYNC is used in place of data enable signal only when running with explicit synchronizations. - The property is no more mandatory when running with embedded synchronizations, and default is selected. --- Documentation/devicetree/bindings/media/rcar_vin.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/media/rcar_vin.txt b/Documentation/devicetree/bindings/media/rcar_vin.txt index dab3118..2c144b4 100644 --- a/Documentation/devicetree/bindings/media/rcar_vin.txt +++ b/Documentation/devicetree/bindings/media/rcar_vin.txt @@ -64,6 +64,12 @@ from local SoC CSI-2 receivers (port1) depending on SoC. If both HSYNC and VSYNC polarities are not specified, embedded synchronization is selected. + - data-active: data enable signal line polarity (CLKENB pin). + 0/1 for LOW/HIGH respectively. If not specified and running with + embedded synchronization, the default is active high. If not + specified and running with explicit synchronization, HSYNC is used + as data enable signal. + - port 1 - sub-nodes describing one or more endpoints connected to the VIN from local SoC CSI-2 receivers. The endpoint numbers must use the following schema.