From patchwork Sat May 18 09:56:18 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 10948913 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 05FC71390 for ; Sat, 18 May 2019 09:56:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E6BFE28385 for ; Sat, 18 May 2019 09:56:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DA0752850F; Sat, 18 May 2019 09:56:58 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8706928385 for ; Sat, 18 May 2019 09:56:58 +0000 (UTC) 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=qNkUKhQxV+PvdD6fJs+5uTOcfLrh5Ogl2jIaZPy6iZQ=; b=QPb1KcZ3dQ6z7k R1WSMKn/7tnQYpjBL7wlkBii3kyr9BBGLDIdqsLm2bD8mShLHFVIsAjCApDKJywdjbtl5SZy0wLfl wdNxMPOuIGKkJFD8cCAqD+rWzVs7ryAfRaNuaEP/C2IvIuGxuvJbQOtV8J62iPUGleIw9NFBXWNh4 8vNIeQu2QlRpRz7vTcqrIONcuty1+baQDwcMhKo6BsSY27xmyLUXeB02agK79g6sw+SGc4UIfSN9t jKzCs6yAol2fksKd+ZWsHpuZZORQuPrXUWIyKcIlXMZCoUW7W2mSI7MIUYB6oa4QRiaxDnfAvY0L3 h4O/oVvQu29Lts+Ovnlg==; 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 1hRw5J-0005mN-OK; Sat, 18 May 2019 09:56:57 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRw4w-0005Bl-T1; Sat, 18 May 2019 09:56:36 +0000 X-UUID: ae98ddd03eec4d61aca2e1ba14cbe9f5-20190518 X-UUID: ae98ddd03eec4d61aca2e1ba14cbe9f5-20190518 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1106833529; Sat, 18 May 2019 01:56:33 -0800 Received: from MTKMBS33DR.mediatek.inc (172.27.6.106) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 18 May 2019 02:56:31 -0700 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS33DR.mediatek.inc (172.27.6.106) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 18 May 2019 17:56:29 +0800 Received: from mszsdclx1018.gcn.mediatek.inc (172.27.4.253) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sat, 18 May 2019 17:56:28 +0800 From: Jitao Shi To: Rob Herring , Pawel Moll , "Mark Rutland" , Ian Campbell , Kumar Gala , , David Airlie , Matthias Brugger Subject: [v4 5/5] drm/mediatek: add mt8183 support dpi pins control Date: Sat, 18 May 2019 17:56:18 +0800 Message-ID: <20190518095618.18454-6-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190518095618.18454-1-jitao.shi@mediatek.com> References: <20190518095618.18454-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190518_025635_279534_280D75A9 X-CRM114-Status: UNSURE ( 8.73 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: stonea168@163.com, dri-devel@lists.freedesktop.org, Andy Yan , Ajay Kumar , Vincent Palatin , cawa.cheng@mediatek.com, bibby.hsieh@mediatek.com, ck.hu@mediatek.com, Russell King , Thierry Reding , devicetree@vger.kernel.org, Jitao Shi , Philipp Zabel , Inki Dae , linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org, Rahul Sharma , srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, Sascha Hauer , Sean Paul Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Some DPI pins(Hsync Vsync DE ... ) keep high voltage and will cause leakage current. So set dpi pin as gpio and pull low when dpi off. Signed-off-by: Jitao Shi --- drivers/gpu/drm/mediatek/mtk_dpi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 0c4ba0a2be27..565892a3e1ba 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -719,6 +719,7 @@ static const struct mtk_dpi_conf mt8183_conf = { .cal_factor = mt8183_calculate_factor, .reg_h_fre_con = 0xe0, .dual_edge = true, + .dpi_pin_ctrl = true, }; static int mtk_dpi_probe(struct platform_device *pdev)