From patchwork Thu Sep 22 10:35:24 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 9345579 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 CF1A2607D0 for ; Thu, 22 Sep 2016 15:30:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C18C027D0E for ; Thu, 22 Sep 2016 15:30:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B64B62AAFA; Thu, 22 Sep 2016 15:30:24 +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 4F2BF27D0E for ; Thu, 22 Sep 2016 15:30:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B79B56E8C2; Thu, 22 Sep 2016 15:29:51 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bear.ext.ti.com (unknown [198.47.19.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id 621166EBDA for ; Thu, 22 Sep 2016 13:15:36 +0000 (UTC) Received: from dflxv15.itg.ti.com ([128.247.5.124]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id u8MAZY9E019570; Thu, 22 Sep 2016 05:35:34 -0500 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id u8MAZY6K004770; Thu, 22 Sep 2016 05:35:34 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.294.0; Thu, 22 Sep 2016 05:35:33 -0500 Received: from dlep33.itg.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id u8MAZRMJ032228; Thu, 22 Sep 2016 05:35:31 -0500 From: Peter Ujfalusi To: , , , , Subject: [PATCH v2 1/3] dt-bindings: display: display-timing: Add property to configure sync drive edge Date: Thu, 22 Sep 2016 13:35:24 +0300 Message-ID: <20160922103526.24925-2-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20160922103526.24925-1-peter.ujfalusi@ti.com> References: <20160922103526.24925-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 22 Sep 2016 15:29:45 +0000 Cc: daniel.vetter@ffwll.ch, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP There are display panels which demands that the sync signal is driven on different edge than the pixel data. With the syncclk-active property we can specify the clk edge to be used to drive the sync signal. When the property is missing it indicates that the sync is driven on the same edge as the pixel data. Signed-off-by: Peter Ujfalusi CC: Rob Herring CC: Mark Rutland CC: devicetree@vger.kernel.org Acked-by: Rob Herring Reviewed-by: Tomi Valkeinen --- .../devicetree/bindings/display/panel/display-timing.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/display/panel/display-timing.txt b/Documentation/devicetree/bindings/display/panel/display-timing.txt index e1d4a0b59612..81a75893d1b8 100644 --- a/Documentation/devicetree/bindings/display/panel/display-timing.txt +++ b/Documentation/devicetree/bindings/display/panel/display-timing.txt @@ -32,6 +32,14 @@ optional properties: - active low = drive pixel data on falling edge/ sample data on rising edge - ignored = ignored + - syncclk-active: with + - active high = drive sync on rising edge/ + sample sync on falling edge of pixel + clock + - active low = drive sync on falling edge/ + sample sync on rising edge of pixel + clock + - omitted = same configuration as pixelclk-active - interlaced (bool): boolean to enable interlaced mode - doublescan (bool): boolean to enable doublescan mode - doubleclk (bool): boolean to enable doubleclock mode