From patchwork Tue Feb 25 09:40:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 204270 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MIME_BASE64_TEXT, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A367C35DF9 for ; Tue, 25 Feb 2020 09:41:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 72F3C218AC for ; Tue, 25 Feb 2020 09:41:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="pFsy1pqO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729622AbgBYJlR (ORCPT ); Tue, 25 Feb 2020 04:41:17 -0500 Received: from Mailgw01.mediatek.com ([1.203.163.78]:7811 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1729385AbgBYJlQ (ORCPT ); Tue, 25 Feb 2020 04:41:16 -0500 X-UUID: 2187fbae83654fcfa451448df3bcfe9a-20200225 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=EOZhVfNB0b5LZMk1Mx0eD9SqOovmQbwT9yhV2ijRMxs=; b=pFsy1pqO4Dtq3JvvcUMTKGTAyEeu4oBIzNcp2bcx3LSkKQDB5R5y4IpGjqqd2WORAte90j9t7m7hB1QqNnsrNEQH9VFEadrX8CmtBI/eeOEJdkmdF8hYYJSYJ7kKf/YKt4ODPEnFwba0Jd/3/sjneyENUpQ+76EwmSNASDOsbRg=; X-UUID: 2187fbae83654fcfa451448df3bcfe9a-20200225 Received: from mtkcas36.mediatek.inc [(172.27.4.253)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 522936693; Tue, 25 Feb 2020 17:41:10 +0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS33N1.mediatek.inc (172.27.4.75) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 25 Feb 2020 17:39:48 +0800 Received: from mszsdclx1018.gcn.mediatek.inc (10.16.6.18) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 25 Feb 2020 17:39:48 +0800 From: Jitao Shi To: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , CC: , , , , , , , , , , , Jitao Shi Subject: [PATCH v8 3/7] dt-bindings: display: mediatek: control dpi pins mode to avoid leakage Date: Tue, 25 Feb 2020 17:40:53 +0800 Message-ID: <20200225094057.120144-4-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200225094057.120144-1-jitao.shi@mediatek.com> References: <20200225094057.120144-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: A6156C3D769845A20D846C6BE7DE540963C817F1ACD04927F075C1E510C863D62000:8 X-MTK: N Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add property "pinctrl-names" to swap pin mode between gpio and dpi mode. Set pin mode to gpio oupput-low to avoid leakage current when dpi disable. Signed-off-by: Jitao Shi --- .../devicetree/bindings/display/mediatek/mediatek,dpi.txt | 7 +++++++ 1 file changed, 7 insertions(+) -- 2.21.0 diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt index 58914cf681b8..a7b1b8bfb65e 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 = "gpiomode", "dpimode"; + pinctrl-0 = <&dpi_pin_gpio>; + pinctrl-1 = <&dpi_pin_func>; port { dpi0_out: endpoint {