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: 9344987 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 1059E60757 for ; Thu, 22 Sep 2016 10:36:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 02D8D2A984 for ; Thu, 22 Sep 2016 10:36:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EA8DA2A981; Thu, 22 Sep 2016 10:36:25 +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=-6.9 required=2.0 tests=BAYES_00,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 8EEF92A981 for ; Thu, 22 Sep 2016 10:36:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753537AbcIVKf7 (ORCPT ); Thu, 22 Sep 2016 06:35:59 -0400 Received: from bear.ext.ti.com ([198.47.19.11]:52233 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753695AbcIVKf4 (ORCPT ); Thu, 22 Sep 2016 06:35:56 -0400 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: , , , , CC: , , , , 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 Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org 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