From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758549AbcILNXJ (ORCPT ); Mon, 12 Sep 2016 09:23:09 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:54919 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756816AbcILNXH (ORCPT ); Mon, 12 Sep 2016 09:23:07 -0400 Subject: Re: [PATCH 01/26] dt-bindings: display: display-timing: Add property to configure sync drive edge To: Rob Herring References: <20160901112320.15246-1-peter.ujfalusi@ti.com> <20160901112320.15246-2-peter.ujfalusi@ti.com> <20160912130520.GA9582@rob-hp-laptop> CC: , , , , , , Mark Rutland , From: Peter Ujfalusi Message-ID: <57580a7f-2462-3fb9-bb87-ff8387f7be38@ti.com> Date: Mon, 12 Sep 2016 16:22:53 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <20160912130520.GA9582@rob-hp-laptop> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/12/16 16:05, Rob Herring wrote: > On Thu, Sep 01, 2016 at 02:22:55PM +0300, Peter Ujfalusi wrote: >> 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 >> --- >> Documentation/devicetree/bindings/display/panel/display-timing.txt | 6 ++++++ >> 1 file changed, 6 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/display/panel/display-timing.txt b/Documentation/devicetree/bindings/display/panel/display-timing.txt >> index e1d4a0b59612..1436292e7a56 100644 >> --- a/Documentation/devicetree/bindings/display/panel/display-timing.txt >> +++ b/Documentation/devicetree/bindings/display/panel/display-timing.txt >> @@ -32,6 +32,12 @@ 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/ > > rising edge of what? pixel clk? Yes, pixel clk, I have copied and modified the 'pixelclk-active' option. Probably it would be better to state it explicitly. > >> + sample sync on falling edge >> + - active low = drive sync on falling edge/ >> + sample sync on rising edge >> + - 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 >> -- >> 2.9.3 >> -- Péter