From patchwork Wed Oct 19 14:25:38 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 9384125 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 1F0E9608A7 for ; Wed, 19 Oct 2016 14:26:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 127F629A38 for ; Wed, 19 Oct 2016 14:26:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0753729A46; Wed, 19 Oct 2016 14:26:02 +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 EE12F29A38 for ; Wed, 19 Oct 2016 14:26:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S942116AbcJSOZ6 (ORCPT ); Wed, 19 Oct 2016 10:25:58 -0400 Received: from galahad.ideasonboard.com ([185.26.127.97]:35128 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S941798AbcJSOZz (ORCPT ); Wed, 19 Oct 2016 10:25:55 -0400 Received: from localhost.localdomain (37-136-126-33.rev.dnainternet.fi [37.136.126.33]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id 31A7E20091; Wed, 19 Oct 2016 16:25:01 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1476887101; bh=baANPhW3/b1exHtZXDG7Jzcw0RbEKGMnmo+pdUWzT0M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G5YXyS4xJZV1HmMYveHzwMgVrPJD7EW4sR4jGEZFK4GzopZBp2ykdgCJOObf4kbKk e9SWY2dpUontEcGlw4L64BbtNtU6ZVARLdK4fLSN7YEYuqUN4Re0EsKb6KXItAvA3Y Tsdq67JJg8EXd+1dnr7fYbAQqvIqvNN2aQ+J23qo= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 3/8] drm: bridge: lvds-encoder: Add thine, thc63lvdm83d compatible string Date: Wed, 19 Oct 2016 17:25:38 +0300 Message-Id: <1476887143-24831-4-git-send-email-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.7.3 In-Reply-To: <1476887143-24831-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> References: <1476887143-24831-1-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. Cc: devicetree@vger.kernel.org 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 33e8025c8a6d..f3026ad82fe1 100644 --- a/drivers/gpu/drm/bridge/lvds-encoder.c +++ b/drivers/gpu/drm/bridge/lvds-encoder.c @@ -184,6 +184,7 @@ 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);