From patchwork Tue Jun 12 14:26:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 928350 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=jmondi.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="pRNo453H"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 414shN3ygwz9ryk for ; Wed, 13 Jun 2018 00:29:08 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5qt6U5MgcxROXYiYMhFLJgYziMJgtnqLo+usanru1mE=; b=pRNo453HLoqsy+ Plf3U8ScPXVsyW564GLL3BANVdKA1q8Plrqwk8yRLjj2K36zloCRY8692x2pCMkCZti4muc178bwj IenPS/jt8NyhhPy3orqlQvyHd9QYfYp8M7d3qyEsYzOtbVHNh4SkKtAxv4A0QxOglJOqKZRQiSqXT n25ZpG/FDX8Xw5yYCGOWZkgVLkZys9VBJICgXW2kwUupudspu2t0zAOvbGr6O8hgmAg22+2Ed4oTg v5ciJUNmxX3+nTVddVFDXt8hld2/2Ul1E8V/ofYE3OO45w4PAl7gFc364ebvuxK8oUv/c3O19aMjI HOEwsbe4Yh65jxPqDQ4Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fSkIB-000098-Bj; Tue, 12 Jun 2018 14:29:03 +0000 Received: from relay1-d.mail.gandi.net ([217.70.183.193]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fSkG3-0007Fc-DO for linux-arm-kernel@lists.infradead.org; Tue, 12 Jun 2018 14:26:55 +0000 X-Originating-IP: 2.224.242.101 Received: from w540.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101]) (Authenticated sender: jacopo@jmondi.org) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 32103240020; Tue, 12 Jun 2018 14:26:47 +0000 (UTC) From: Jacopo Mondi To: niklas.soderlund@ragnatech.se, laurent.pinchart@ideasonboard.com, horms@verge.net.au, geert@glider.be Subject: [PATCH v4 5/6] media: rcar-vin: Handle data-enable polarity Date: Tue, 12 Jun 2018 16:26:05 +0200 Message-Id: <1528813566-17927-6-git-send-email-jacopo+renesas@jmondi.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1528813566-17927-1-git-send-email-jacopo+renesas@jmondi.org> References: <1528813566-17927-1-git-send-email-jacopo+renesas@jmondi.org> MIME-Version: 1.0 X-Spam-Level: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180612_072651_602638_00B37D80 X-CRM114-Status: UNSURE ( 8.81 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [217.70.183.193 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [217.70.183.193 listed in wl.mailspike.net] -0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, robh+dt@kernel.org, hans.verkuil@cisco.com, sakari.ailus@linux.intel.com, Jacopo Mondi , mchehab@kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org 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 --- drivers/media/platform/rcar-vin/rcar-dma.c | 5 +++++ 1 file changed, 5 insertions(+) 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; } /*