From patchwork Fri Feb 28 05:21:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 11411521 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3FB9C1395 for ; Fri, 28 Feb 2020 05:21:56 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1E3D8246A0 for ; Fri, 28 Feb 2020 05:21:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="NH/H6Mbz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1E3D8246A0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 11E356EDDA; Fri, 28 Feb 2020 05:21:50 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mailgw01.mediatek.com (unknown [1.203.163.78]) by gabe.freedesktop.org (Postfix) with ESMTP id C6C196EDDA for ; Fri, 28 Feb 2020 05:21:47 +0000 (UTC) X-UUID: fa8bbfec1f9449b88f1bf2c313014cc2-20200228 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=iiTeyRrWpFxbRbm/zUqFMsVdCyJg1pm41Q+smhNO+Zw=; b=NH/H6Mbz7CLvMC+EHLbH9LSsJnHhz2Z3LaFZV/BYHIb6tsKhkpnCg8Xr/URpAXzcySi7xGRhBIINcUWDb4mB2+P9v3SpRiQZac9JAC4nvieKdaV3o8ZWL+yXGs46GfcJ8bSKce+0iSAXzvWtVYjnMc4wXq5Y7BmT1TQmIzy6qC8=; X-UUID: fa8bbfec1f9449b88f1bf2c313014cc2-20200228 Received: from mtkcas32.mediatek.inc [(172.27.4.253)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 1344005670; Fri, 28 Feb 2020 13:21:40 +0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS33N2.mediatek.inc (172.27.4.76) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 28 Feb 2020 13:22:15 +0800 Received: from mszsdclx1018.gcn.mediatek.inc (10.16.6.18) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 28 Feb 2020 13:22:03 +0800 From: Jitao Shi To: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , Subject: [PATCH v10 2/5] dt-bindings: display: mediatek: control dpi pins mode to avoid leakage Date: Fri, 28 Feb 2020 13:21:25 +0800 Message-ID: <20200228052128.82136-3-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200228052128.82136-1-jitao.shi@mediatek.com> References: <20200228052128.82136-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 9285102EC74516C055F4677AAD43C6BCF157A693778617175A2331D1BD6CCB922000:8 X-MTK: N X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Jitao Shi , srv_heupstream@mediatek.com, huijuan.xie@mediatek.com, stonea168@163.com, cawa.cheng@mediatek.com, linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add property "pinctrl-names" to swap pin mode between gpio and dpi mode. Set the dpi pins to gpio mode and output-low to avoid leakage current when dpi disabled. Signed-off-by: Jitao Shi --- .../devicetree/bindings/display/mediatek/mediatek,dpi.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt index 58914cf681b8..77ca32a32399 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt @@ -17,6 +17,10 @@ Required properties: Documentation/devicetree/bindings/graph.txt. This port should be connected to the input port of an attached HDMI or LVDS encoder chip. +Optional properties: +- pinctrl-names: Contain "gpiomode" and "dpimode". + pinctrl-names see Documentation/devicetree/bindings/pinctrlpinctrl-bindings.txt + Example: dpi0: dpi@1401d000 { @@ -27,6 +31,9 @@ dpi0: dpi@1401d000 { <&mmsys CLK_MM_DPI_ENGINE>, <&apmixedsys CLK_APMIXED_TVDPLL>; clock-names = "pixel", "engine", "pll"; + pinctrl-names = "active", "idle"; + pinctrl-0 = <&dpi_pin_func>; + pinctrl-1 = <&dpi_pin_idle>; port { dpi0_out: endpoint {