From patchwork Fri Jun 19 14:31:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 224143 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=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 28009C433E1 for ; Fri, 19 Jun 2020 15:08:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D571E21D7E for ; Fri, 19 Jun 2020 15:08:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592579332; bh=JpyXvZPwGmhcDX7HBvEqn00iZ7V++vRJV0NKykGQJf4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=oqOtGjwAkVQwtftxYnY81d/BT+yCyuMRpWakdH1sFczhyIWr3xwQ+roMULxGZoI8T WdXzN/+NZgDFVOdZWeFIHtwWU2sWMRMCA4R5o49dsMpVkxqScSwx1VF3B9NgH2J/Gx vBT9qgZRGREYR3PMBRuKG98vr27t0sukzL2zT1BU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391810AbgFSPIv (ORCPT ); Fri, 19 Jun 2020 11:08:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:38386 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390579AbgFSPIv (ORCPT ); Fri, 19 Jun 2020 11:08:51 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BB6F821BE5; Fri, 19 Jun 2020 15:08:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592579330; bh=JpyXvZPwGmhcDX7HBvEqn00iZ7V++vRJV0NKykGQJf4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nCYv4LReRPf6M3u8iNat87eQeKbLGifJNZa0+ZKNsTWZzvzLb7IGSQOetmr8UPt7E /mm/h3h2NTT7umkBjzY3xayPeHDjWceALH+Q8ouOpplYLf7THsrxnv8yFkD77dmFdY Mi2ZA/QBPOyVU7E9FxKJtk+qeSGhwMLAXKlr+mNA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Rob Herring , Jitao Shi , Chun-Kuang Hu , Sasha Levin Subject: [PATCH 5.4 065/261] dt-bindings: display: mediatek: control dpi pins mode to avoid leakage Date: Fri, 19 Jun 2020 16:31:16 +0200 Message-Id: <20200619141653.030997554@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200619141649.878808811@linuxfoundation.org> References: <20200619141649.878808811@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jitao Shi [ Upstream commit b0ff9b590733079f7f9453e5976a9dd2630949e3 ] 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 Signed-off-by: Jitao Shi Signed-off-by: Chun-Kuang Hu Signed-off-by: Sasha Levin --- .../devicetree/bindings/display/mediatek/mediatek,dpi.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt index b6a7e7397b8b..b944fe067188 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt @@ -16,6 +16,9 @@ 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 { @@ -26,6 +29,9 @@ 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 {