From patchwork Tue Nov 29 09:04:38 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 9451223 X-Patchwork-Delegate: geert@linux-m68k.org 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 DE4D46071E for ; Tue, 29 Nov 2016 09:05:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CD230212D9 for ; Tue, 29 Nov 2016 09:05:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C1DBF27CF9; Tue, 29 Nov 2016 09:05:21 +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=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, 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 158D6212D9 for ; Tue, 29 Nov 2016 09:05:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756444AbcK2JFK (ORCPT ); Tue, 29 Nov 2016 04:05:10 -0500 Received: from galahad.ideasonboard.com ([185.26.127.97]:60491 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753367AbcK2JFG (ORCPT ); Tue, 29 Nov 2016 04:05:06 -0500 Received: from avalon.bb.dnainternet.fi (dfj612ybrt5fhg77mgycy-3.rev.dnainternet.fi [IPv6:2001:14ba:21f5:5b00:2e86:4862:ef6a:2804]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id 08F7221118; Tue, 29 Nov 2016 10:04:31 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1480410272; bh=i5VYubwdLcmNrjS2XPXWDLhgwRkC+VFocsSypSaa3/w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dWV/4CtrGidLghOLpoTpsuPGATGAzXpSX9zH5mkwzKlN6UqfUUXGHowmV8tE0ZmqY vtgqEkuTdMR+fa9gOTS/kgK4sjK11aRSssSVMdmFmxCfpj5Ye97xL+NTi3XkGMSDzh muwfLqqJGoas71eAKAiEZcj6KGAseHV/1CR8TRoM= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org, Archit Taneja Subject: [PATCH v3 08/13] drm: bridge: lvds-encoder: Add thine, thc63lvdm83d compatible string Date: Tue, 29 Nov 2016 11:04:38 +0200 Message-Id: <1480410283-28698-9-git-send-email-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.7.3 In-Reply-To: <1480410283-28698-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> References: <1480410283-28698-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The THC63LVDM83D is a transparent LVDS encoder. Unlike dumb LVDS encoders it can be controlled through a few pins (power down, LVDS swing, clock edge selection) and requires power supplies. However, on several boards where the device is used neither the control pins nor the power supply are controllable. To avoid developing a separate device-specific driver add a "thine,thc63lvdm83d" compatible entry to the lvds-encoder driver. This will allow supporting many THC63LVDM83D-based boards easily, while allowing future development of an thc63lvdm83d driver when needed without breaking backward compatibility. Signed-off-by: Laurent Pinchart --- drivers/gpu/drm/bridge/lvds-encoder.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/bridge/lvds-encoder.c b/drivers/gpu/drm/bridge/lvds-encoder.c index 576770ea8d7e..16c5ac77824a 100644 --- a/drivers/gpu/drm/bridge/lvds-encoder.c +++ b/drivers/gpu/drm/bridge/lvds-encoder.c @@ -198,6 +198,7 @@ static int lvds_encoder_remove(struct platform_device *pdev) static const struct of_device_id lvds_encoder_match[] = { { .compatible = "lvds-encoder" }, + { .compatible = "thine,thc63lvdm83d" }, {}, }; MODULE_DEVICE_TABLE(of, lvds_encoder_match);