From patchwork Fri Mar 3 13:30:35 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 9604865 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 0EF1960234 for ; Mon, 6 Mar 2017 00:09:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0078B272F9 for ; Mon, 6 Mar 2017 00:09:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E94E627DA4; Mon, 6 Mar 2017 00:09:33 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 24607272F9 for ; Mon, 6 Mar 2017 00:09:33 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6AFE46E366; Mon, 6 Mar 2017 00:08:36 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org X-Greylist: delayed 302 seconds by postgrey-1.35 at gabe; Fri, 03 Mar 2017 13:35:46 UTC Received: from baptiste.telenet-ops.be (baptiste.telenet-ops.be [IPv6:2a02:1800:120:4::f00:13]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8320D6ED2A for ; Fri, 3 Mar 2017 13:35:46 +0000 (UTC) Received: from ayla.of.borg ([84.193.137.253]) by baptiste.telenet-ops.be with bizsmtp id rRWh1u00c5UCtCs01RWhwd; Fri, 03 Mar 2017 14:30:42 +0100 Received: from ramsan.of.borg ([192.168.97.29] helo=ramsan) by ayla.of.borg with esmtp (Exim 4.86_2) (envelope-from ) id 1cjnI9-0007q8-Pu; Fri, 03 Mar 2017 14:30:41 +0100 Received: from geert by ramsan with local (Exim 4.86_2) (envelope-from ) id 1cjnI9-0006Ze-O0; Fri, 03 Mar 2017 14:30:41 +0100 From: Geert Uytterhoeven To: Laurent Pinchart , David Airlie Subject: [PATCH] dt-bindings: drm: rcar-du: Document optional reset properties Date: Fri, 3 Mar 2017 14:30:35 +0100 Message-Id: <1488547835-25229-1-git-send-email-geert+renesas@glider.be> X-Mailer: git-send-email 2.7.4 X-Mailman-Approved-At: Mon, 06 Mar 2017 00:08:29 +0000 Cc: Mark Rutland , devicetree@vger.kernel.org, Geert Uytterhoeven , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, Rob Herring X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Document the optional properties for describing module resets, to support resetting display channels and LVDS encoders on R-Car Gen2 and Gen3. Signed-off-by: Geert Uytterhoeven --- Documentation/devicetree/bindings/display/renesas,du.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt b/Documentation/devicetree/bindings/display/renesas,du.txt index 1a02f099a0ff0a3a..7873d53764a297c2 100644 --- a/Documentation/devicetree/bindings/display/renesas,du.txt +++ b/Documentation/devicetree/bindings/display/renesas,du.txt @@ -36,6 +36,16 @@ Required Properties: When supplied they must be named "dclkin.x" with "x" being the input clock numerical index. +Optional properties: + - resets: A list of phandles + reset-specifier pairs, one for each entry in + the reset-names property. + - reset-names: Names of the resets. This property is model-dependent. + - R8A779[0123456] use one reset for a group of one or more successive + channels, and one reset per LVDS encoder (if available). The resets + must be named "du.x" with "x" being the numerical index of the lowest + channel in the group. The LVDS resets must be named "lvds.x" with "x" + being the LVDS encoder numerical index. + Required nodes: The connections to the DU output video ports are modeled using the OF graph