From patchwork Wed Apr 15 01:13:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 202054 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, USER_AGENT_GIT autolearn=ham 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 BA75EC38A29 for ; Wed, 15 Apr 2020 01:13:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 99CE92076C for ; Wed, 15 Apr 2020 01:13:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="tudRCOWc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388417AbgDOBNd (ORCPT ); Tue, 14 Apr 2020 21:13:33 -0400 Received: from Mailgw01.mediatek.com ([1.203.163.78]:8627 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2388395AbgDOBNc (ORCPT ); Tue, 14 Apr 2020 21:13:32 -0400 X-UUID: 70736340d81e496583dd8dbb1851b30c-20200415 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=nO2lhFsFTjN3a8s+w5ZBw2IIxzBf8mtfZDk0MhET6LE=; b=tudRCOWc91CaWwBzUKK/c0qOSUjruaP2pvC+O8N8SGZ4BKdT7CnbeN8d9zVIG1eJsB+IHIze101XYvwtZxpCU7sDwdLumsZ74MQnJnCjQWEQfbgeqPj9No4u+rZGyU4hRbFJZf3WWxDYXW40MrDB81mDgklafPidJJj1xWCIQxk=; X-UUID: 70736340d81e496583dd8dbb1851b30c-20200415 Received: from mtkcas36.mediatek.inc [(172.27.4.253)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 642352115; Wed, 15 Apr 2020 09:13:24 +0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS33N1.mediatek.inc (172.27.4.75) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 15 Apr 2020 09:13:22 +0800 Received: from mszsdaap41.gcn.mediatek.inc (10.16.6.141) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 15 Apr 2020 09:13:21 +0800 From: Jitao Shi To: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , CC: , , , , , , , , , , , Jitao Shi Subject: [PATCH v15 1/3] dt-bindings: display: mediatek: control dpi pins mode to avoid leakage Date: Wed, 15 Apr 2020 09:13:17 +0800 Message-ID: <20200415011319.25559-2-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.12.5 In-Reply-To: <20200415011319.25559-1-jitao.shi@mediatek.com> References: <20200415011319.25559-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 9899C9B523F3F3B15CB65ED031246E6D74C76EFC8F4B91273DA2E99FED1ABD0D2000:8 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 the dpi pins to gpio mode and output-low to avoid leakage current when dpi disabled. Acked-by: Rob Herring Reviewed-by: Chun-Kuang Hu Signed-off-by: Jitao Shi --- Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt | 6 ++++++ 1 file changed, 6 insertions(+) -- 2.12.5 diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt index 58914cf681b8..77def4456706 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt @@ -17,6 +17,9 @@ 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 "default" and "sleep". + Example: dpi0: dpi@1401d000 { @@ -27,6 +30,9 @@ dpi0: dpi@1401d000 { <&mmsys CLK_MM_DPI_ENGINE>, <&apmixedsys CLK_APMIXED_TVDPLL>; clock-names = "pixel", "engine", "pll"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&dpi_pin_func>; + pinctrl-1 = <&dpi_pin_idle>; port { dpi0_out: endpoint {