From patchwork Tue May 29 15:05:56 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 10436003 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 8CA0560327 for ; Tue, 29 May 2018 15:06:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7E581286F9 for ; Tue, 29 May 2018 15:06:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7310028796; Tue, 29 May 2018 15:06:51 +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=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable 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 33AB4286F9 for ; Tue, 29 May 2018 15:06:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936716AbeE2PGq (ORCPT ); Tue, 29 May 2018 11:06:46 -0400 Received: from relay11.mail.gandi.net ([217.70.178.231]:43931 "EHLO relay11.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935454AbeE2PGl (ORCPT ); Tue, 29 May 2018 11:06:41 -0400 Received: from w540.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101]) (Authenticated sender: jacopo@jmondi.org) by relay11.mail.gandi.net (Postfix) with ESMTPSA id DE80A100016; Tue, 29 May 2018 17:06:36 +0200 (CEST) From: Jacopo Mondi To: niklas.soderlund@ragnatech.se, laurent.pinchart@ideasonboard.com, horms@verge.net.au, geert@glider.be Cc: Jacopo Mondi , mchehab@kernel.org, sakari.ailus@linux.intel.com, hans.verkuil@cisco.com, robh+dt@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH v3 5/8] media: rcar-vin: Handle data-enable polarity Date: Tue, 29 May 2018 17:05:56 +0200 Message-Id: <1527606359-19261-6-git-send-email-jacopo+renesas@jmondi.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1527606359-19261-1-git-send-email-jacopo+renesas@jmondi.org> References: <1527606359-19261-1-git-send-email-jacopo+renesas@jmondi.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Handle data-enable signal polarity. If the polarity is not specifically requested to be active low, use the active high default. Signed-off-by: Jacopo Mondi Acked-by: Niklas Söderlund --- v3: - use new property to set the CES bit --- drivers/media/platform/rcar-vin/rcar-dma.c | 5 +++++ 1 file changed, 5 insertions(+) -- 2.7.4 diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index d2b7002..9145b56 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -123,6 +123,7 @@ /* Video n Data Mode Register 2 bits */ #define VNDMR2_VPS (1 << 30) #define VNDMR2_HPS (1 << 29) +#define VNDMR2_CES (1 << 28) #define VNDMR2_FTEV (1 << 17) #define VNDMR2_VLV(n) ((n & 0xf) << 12) @@ -698,6 +699,10 @@ static int rvin_setup(struct rvin_dev *vin) /* Vsync Signal Polarity Select */ if (!(vin->parallel->mbus_flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)) dmr2 |= VNDMR2_VPS; + + /* Data Enable Polarity Select */ + if (vin->parallel->mbus_flags & V4L2_MBUS_DATA_ENABLE_LOW) + dmr2 |= VNDMR2_CES; } /*