From patchwork Fri May 9 08:31:10 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 4140771 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0A84ABFF02 for ; Fri, 9 May 2014 08:33:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0122D202E6 for ; Fri, 9 May 2014 08:33:34 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D7792202DD for ; Fri, 9 May 2014 08:33:32 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WigDS-0001vv-Jx; Fri, 09 May 2014 08:31:38 +0000 Received: from arroyo.ext.ti.com ([192.94.94.40]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WigDP-0001mu-3p for linux-arm-kernel@lists.infradead.org; Fri, 09 May 2014 08:31:35 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id s498VDw0023676; Fri, 9 May 2014 03:31:13 -0500 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id s498VDIi025445; Fri, 9 May 2014 03:31:13 -0500 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.174.1; Fri, 9 May 2014 03:31:12 -0500 Received: from [192.168.2.6] (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id s498VBbc002344; Fri, 9 May 2014 03:31:11 -0500 Message-ID: <536C924E.5000307@ti.com> Date: Fri, 9 May 2014 11:31:10 +0300 From: Tomi Valkeinen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Tony Lindgren Subject: Re: [PATCH 3/4] OMAPDSS: panel-sharp-ls037v7dw01: add device tree support References: <1398815562-24113-1-git-send-email-tony@atomide.com> <1398815562-24113-4-git-send-email-tony@atomide.com> <5369EAE7.3030705@ti.com> <20140507150343.GA9502@atomide.com> <536A5920.1020908@ti.com> <20140507175919.GH9502@atomide.com> <20140508233300.GI2198@atomide.com> In-Reply-To: <20140508233300.GI2198@atomide.com> X-Enigmail-Version: 1.6 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140509_013135_349791_07732FD7 X-CRM114-Status: GOOD ( 24.83 ) X-Spam-Score: -5.7 (-----) Cc: devicetree@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP On 09/05/14 02:33, Tony Lindgren wrote: > * Tony Lindgren [140507 11:00]: >> * Tomi Valkeinen [140507 09:03]: >>> On 07/05/14 18:03, Tony Lindgren wrote: >>>> >>>> BTW, I'm also personally fine with all five gpios showing in a single >>>> gpios property, I'm not too exited about naming anything in DT.. >>> >>> I don't have a strong opinion here. I don't have much experience with >>> DT, especially with making bindings compatible with other ones. >>> >>> I'd just forget the simple-panel, and have single gpio array. >> >> Well if it's a don't care flag for both of us, let's try to use >> the existing standard for simple-panel.txt and add mode-gpios >> property. I'll post a patch for that. > > Here's an updated version using enable-gpios, reset-gpios and > mode-gpios. So it follows simple-panel.txt and adds mode-gpios > that's currently specific to this panel only. > > Also updated for -EPROBE_DEFER handling, tested that by changing > one of the GPIOs to be a twl4030 GPIO. To speed things up a bit, I made the changes I suggested. Compile tested only. From f8360778e8bc96096cbb1793a18a8c240376ca09 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Mon, 28 Apr 2014 20:22:21 -0700 Subject: [PATCH] OMAPDSS: panel-sharp-ls037v7dw01: add device tree support Add device tree support for sharp-ls037v7dw01 panel. Signed-off-by: Tony Lindgren Signed-off-by: Tomi Valkeinen --- .../bindings/video/sharp,ls037v7dw01.txt | 44 ++++++++++ .../omap2/displays-new/panel-sharp-ls037v7dw01.c | 95 +++++++++++++++++++++- 2 files changed, 136 insertions(+), 3 deletions(-) create mode 100644 Documentation/devicetree/bindings/video/sharp,ls037v7dw01.txt diff --git a/Documentation/devicetree/bindings/video/sharp,ls037v7dw01.txt b/Documentation/devicetree/bindings/video/sharp,ls037v7dw01.txt new file mode 100644 index 000000000000..2a60fd9a2607 --- /dev/null +++ b/Documentation/devicetree/bindings/video/sharp,ls037v7dw01.txt @@ -0,0 +1,44 @@ +SHARP LS037V7DW01 TFT-LCD panel +=================================== + +Required properties: +- compatible: "sharp,ls037v7dw01" + +Optional properties: +- label: a symbolic name for the panel +- enable-gpios: a GPIO spec for the optional enable pin + this pin is the INI pin as specified in the LS037V7DW01.pdf file. +- reset-gpios: a GPIO spec for the optional reset pin + this pin is the RESB pin as specified in the LS037V7DW01.pdf file. +- mode-gpios: a GPIO + ordered MO, LR, and UD as specified in the LS037V7DW01.pdf file. + +Required nodes: +- Video port for DPI input + +This panel can have zero to five GPIOs to configure +to change configuration between QVGA and VGA mode +and the scan direction. As these pins can be also +configured with external pulls, all the GPIOs are +considered optional with holes in the array. + +Example +------- + +Example when connected to a omap2+ based device: + +lcd0: display { + compatible = "sharp,ls037v7dw01"; + power-supply = <&lcd_3v3>; + enable-gpios = <&gpio5 24 GPIO_ACTIVE_HIGH>; /* gpio152, lcd INI */ + reset-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>; /* gpio155, lcd RESB */ + mode-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH /* gpio154, lcd MO */ + &gpio1 2 GPIO_ACTIVE_HIGH /* gpio2, lcd LR */ + &gpio1 3 GPIO_ACTIVE_HIGH>; /* gpio3, lcd UD */ + + port { + lcd_in: endpoint { + remote-endpoint = <&dpi_out>; + }; + }; +}; diff --git a/drivers/video/fbdev/omap2/displays-new/panel-sharp-ls037v7dw01.c b/drivers/video/fbdev/omap2/displays-new/panel-sharp-ls037v7dw01.c index 8adde628ad38..91eeb2ec93a8 100644 --- a/drivers/video/fbdev/omap2/displays-new/panel-sharp-ls037v7dw01.c +++ b/drivers/video/fbdev/omap2/displays-new/panel-sharp-ls037v7dw01.c @@ -12,15 +12,18 @@ #include #include #include +#include +#include #include #include - +#include #include