From patchwork Wed Mar 11 07:18:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 11430925 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 201F592A for ; Wed, 11 Mar 2020 07:19:19 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 E2EEF22522 for ; Wed, 11 Mar 2020 07:19:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ndABGyLG"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="uyc/rTkg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E2EEF22522 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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=8f7aMzpK5vdu88EOcewcqKdbp8EFuENJcsa0ThciWFs=; b=ndABGyLGxUJLHM 6G9o+qYekmipPmWMHvPVTqcOtcQdTarmchT9T+fxEL8OCd0r7XT3pU1hr69fpFl5/wze0gkZknDWb ex9mFLtiilDSrS9KoMjGHV4XuP3uv710osu0jHFS04hRev/QOOh2nZ/sGw+caUChn9VEelS67ejs1 slZOSnSILG95JFl366lyGPVPiKDy8w1IkmHrQlzy8QGHcfay+Tm4NJRpVAGPM2IY8R10fc0lK1H6Z 8Y3rZjKeecojGy3YsSjG9zPiBjD4VSyKrivnDeOitFD/Ew01dhBxpoT8oUDZBWmk7CMBEPNc1zgTx OR1WLahMkNYRDKY16Z2A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBve8-00073x-ER; Wed, 11 Mar 2020 07:19:16 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBvdn-0006jY-DT; Wed, 11 Mar 2020 07:18:57 +0000 X-UUID: f06cb1eb458f4473bc7c035123eea1fb-20200310 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=Tbydff45iGovy+Y4pjIMl85obrLQehvyczoepJ8vfGk=; b=uyc/rTkgGVqeUAI2gk3kFPn0mtLa/K/xZOGNniO2p7NhJPOvq3uLm1Gx7dc04nf08uZtGFj7szbZZubbuLtmbtkBvAvd/KboZ9U4Gq5oBRbL20nY7ujkCwRpqHnsHZU3ws1+dAaxHO1EtT2R9n2zEsHHnTOsCeI2nhIf92tJ9A0=; X-UUID: f06cb1eb458f4473bc7c035123eea1fb-20200310 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 371973478; Tue, 10 Mar 2020 23:18:45 -0800 Received: from MTKMBS33N1.mediatek.inc (172.27.4.75) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 11 Mar 2020 00:18:51 -0700 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; Wed, 11 Mar 2020 15:16:15 +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; Wed, 11 Mar 2020 15:18:06 +0800 From: Jitao Shi To: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , Subject: [PATCH v13 1/6] dt-bindings: media: add pclk-sample dual edge property Date: Wed, 11 Mar 2020 15:18:18 +0800 Message-ID: <20200311071823.117899-2-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200311071823.117899-1-jitao.shi@mediatek.com> References: <20200311071823.117899-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: DDF6152538569474880FB993D3FF36BDDB40ED98CF638D2176655FAD063E62CD2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200311_001855_462383_782B16E8 X-CRM114-Status: UNSURE ( 9.55 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Jitao Shi , srv_heupstream@mediatek.com, Rob Herring , huijuan.xie@mediatek.com, stonea168@163.com, cawa.cheng@mediatek.com, linux-mediatek@lists.infradead.org, bibby.hsieh@mediatek.com, ck.hu@mediatek.com, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Some chips's sample mode are rising, falling and dual edge (both falling and rising edge). Extern the pclk-sample property to support dual edge. Acked-by: Rob Herring Reviewed-by: CK Hu Signed-off-by: Jitao Shi --- Documentation/devicetree/bindings/media/video-interfaces.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt index f884ada0bffc..da9ad24935db 100644 --- a/Documentation/devicetree/bindings/media/video-interfaces.txt +++ b/Documentation/devicetree/bindings/media/video-interfaces.txt @@ -118,8 +118,8 @@ Optional endpoint properties - data-enable-active: similar to HSYNC and VSYNC, specifies the data enable signal polarity. - field-even-active: field signal level during the even field data transmission. -- pclk-sample: sample data on rising (1) or falling (0) edge of the pixel clock - signal. +- pclk-sample: sample data on rising (1), falling (0) or both rising and + falling (2) edge of the pixel clock signal. - sync-on-green-active: active state of Sync-on-green (SoG) signal, 0/1 for LOW/HIGH respectively. - data-lanes: an array of physical data lane indexes. Position of an entry From patchwork Wed Mar 11 07:18:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 11430913 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 6D8BB92A for ; Wed, 11 Mar 2020 07:19:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 479E8208C3 for ; Wed, 11 Mar 2020 07:19:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="TK5JgpTZ"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="dSEzX5Iw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 479E8208C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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=nmwiJ6pCPnYeYXyGFc/pA14J+ky/2rs6bXHmQDcx2cg=; b=TK5JgpTZZU8JvT J+HUuxy6vSrPBtBawhMr81pvNsxDB6AuwpjzyUUzBI1wFkK4Z8mGi60kTz4cHJGotVjJ8OYHEfexm +zmmkx+pGBLw2kxNJg4eCcSlGEN9L9ws/g0nFdVAI51bsJ8ZuK0+6kE+Ndz6rQivr9CkNYM+bkr02 Y8uaVKxp5+wjnKoTrJ5zwv7hqlneMg9U37CsmTw48kc0rnc2qXOK0Z69cZpdh4/0edN8mKA/0J7nq H4L/80ygH1bauzNeQEEnxcULx/9CaVDdvtNaXCDFbhgLGGHm5NgKUbKndOLIp1cVTpME0OQ2DBAkq yR0ue0nCowce2JkNOWVQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBvdr-0006o1-LP; Wed, 11 Mar 2020 07:18:59 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBvdn-0006jX-55; Wed, 11 Mar 2020 07:18:56 +0000 X-UUID: 0e32e760c1994b3badb1a2f88e1397e1-20200310 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=JjlUifr9XVbMvq2Ua2czBdK7aPiBCtIeib5Cawn+s3o=; b=dSEzX5IwMRTy6n3UWCeFJsiNkBRAGhF7q/iq6OBBLvCSvJlg1pKdaD+iz746in9/XYK0p8TNhLZP2h3oh83TCbLXBrLYmBXyoN5PkNK0nyJpp/C+FlN3khtT4Nd41d5WkfBCG5gt9oplcogt5GElZBrLO8cY7DlUAoBYaulsha0=; X-UUID: 0e32e760c1994b3badb1a2f88e1397e1-20200310 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 160605755; Tue, 10 Mar 2020 23:18:47 -0800 Received: from MTKMBS33DR.mediatek.inc (172.27.6.106) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 11 Mar 2020 00:18:52 -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; Wed, 11 Mar 2020 15:14:26 +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; Wed, 11 Mar 2020 15:18:07 +0800 From: Jitao Shi To: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , Subject: [PATCH v13 2/6] dt-bindings: display: mediatek: control dpi pins mode to avoid leakage Date: Wed, 11 Mar 2020 15:18:19 +0800 Message-ID: <20200311071823.117899-3-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200311071823.117899-1-jitao.shi@mediatek.com> References: <20200311071823.117899-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: EEB2C134C140F530CBBCD4DC61CFFF84ADDCAB296BAFE6E04F7549C523C14D8D2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200311_001855_200275_FD06E67A X-CRM114-Status: UNSURE ( 7.68 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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, bibby.hsieh@mediatek.com, ck.hu@mediatek.com, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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. 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..260ae75ac640 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 "default" and "sleep". + 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 = "default", "sleep"; + pinctrl-0 = <&dpi_pin_func>; + pinctrl-1 = <&dpi_pin_idle>; port { dpi0_out: endpoint { From patchwork Wed Mar 11 07:18:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 11430945 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 5146C139A for ; Wed, 11 Mar 2020 07:28:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 2F4CA208C3 for ; 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Acked-by: Rob Herring Signed-off-by: Jitao Shi --- .../devicetree/bindings/display/mediatek/mediatek,dpi.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt index 260ae75ac640..2dfb50a7321e 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt @@ -20,6 +20,7 @@ Required properties: Optional properties: - pinctrl-names: Contain "default" and "sleep". pinctrl-names see Documentation/devicetree/bindings/pinctrlpinctrl-bindings.txt +- pclk-sample: refer Documentation/devicetree/bindings/media/video-interfaces.txt. Example: @@ -37,6 +38,7 @@ dpi0: dpi@1401d000 { port { dpi0_out: endpoint { + pclk-sample = <0>; remote-endpoint = <&hdmi0_in>; }; }; From patchwork Wed Mar 11 07:18:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 11430935 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 53D0192A for ; Wed, 11 Mar 2020 07:22:14 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 01C07208C3 for ; Wed, 11 Mar 2020 07:22:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MC17vQX5"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Y9C3ph7f" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 01C07208C3 Authentication-Results: mail.kernel.org; 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Tue, 10 Mar 2020 23:22:01 -0800 Received: from MTKMBS33N1.mediatek.inc (172.27.4.75) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 11 Mar 2020 00:18:45 -0700 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; Wed, 11 Mar 2020 15:16:18 +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; Wed, 11 Mar 2020 15:18:10 +0800 From: Jitao Shi To: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , Subject: [PATCH v13 4/6] dt-bindings: display: mediatek: convert the document format from txt to yaml Date: Wed, 11 Mar 2020 15:18:21 +0800 Message-ID: <20200311071823.117899-5-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200311071823.117899-1-jitao.shi@mediatek.com> References: <20200311071823.117899-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: D82C855FFB3DE59EBE5C7ABD3E05E9692732A47F5D628E4BBE17D725C343A6E52000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200311_002205_280404_FD59FEA7 X-CRM114-Status: GOOD ( 12.76 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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, bibby.hsieh@mediatek.com, ck.hu@mediatek.com, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Signed-off-by: Jitao Shi --- .../display/mediatek/mediatek,dpi.txt | 45 -------- .../display/mediatek/mediatek,dpi.yaml | 103 ++++++++++++++++++ 2 files changed, 103 insertions(+), 45 deletions(-) delete mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt deleted file mode 100644 index 2dfb50a7321e..000000000000 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt +++ /dev/null @@ -1,45 +0,0 @@ -Mediatek DPI Device -=================== - -The Mediatek DPI function block is a sink of the display subsystem and -provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a parallel -output bus. - -Required properties: -- compatible: "mediatek,-dpi" - the supported chips are mt2701 , mt8173 and mt8183. -- reg: Physical base address and length of the controller's registers -- interrupts: The interrupt signal from the function block. -- clocks: device clocks - See Documentation/devicetree/bindings/clock/clock-bindings.txt for details. -- clock-names: must contain "pixel", "engine", and "pll" -- port: Output port node with endpoint definitions as described in - 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". - pinctrl-names see Documentation/devicetree/bindings/pinctrlpinctrl-bindings.txt -- pclk-sample: refer Documentation/devicetree/bindings/media/video-interfaces.txt. - -Example: - -dpi0: dpi@1401d000 { - compatible = "mediatek,mt8173-dpi"; - reg = <0 0x1401d000 0 0x1000>; - interrupts = ; - clocks = <&mmsys CLK_MM_DPI_PIXEL>, - <&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 { - pclk-sample = <0>; - remote-endpoint = <&hdmi0_in>; - }; - }; -}; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml new file mode 100644 index 000000000000..d65543e3bf8c --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,dpi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek DPI Controller Device Tree Bindings + +maintainers: + - CK Hu + - Jitao shi + +description: | + The Mediatek DPI function block is a sink of the display subsystem and + provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a parallel + output bus. + +properties: + compatible: + enum: + - mediatek,mt2701-dpi + - mediatek,mt8173-dpi + - mediatek,mt8183-dpi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Pixel Clock + - description: Engine Clock + - description: DPI PLL + + clock-names: + items: + - const: pixel + - const: engine + - const: pll + + pinctrl-0: true + pinctrl-1: true + + pinctrl-names: + items: + - const: default + - const: sleep + + port@0: + type: object + description: + Output port node with endpoint definitions as described in + Documentation/devicetree/bindings/graph.txt. This port should be connected + to the input port of an attached HDMI or LVDS encoder chip. + + properties: + endpoint: + type: object + + properties: + pclk-sample: + items: + - description: refer Documentation/devicetree/bindings/media/video-interfaces.txt. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - port@0 + +additionalProperties: false + +examples: + - | + #include + #include + #include + #include + dpi0: dpi@1401d000 { + compatible = "mediatek,mt8173-dpi"; + reg = <0 0x1401d000 0 0x1000>; + interrupts = ; + clocks = <&mmsys CLK_MM_DPI_PIXEL>, + <&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@0 { + dpi0_out: endpoint { + pclk-sample = <0>; + remote-endpoint = <&hdmi0_in>; + }; + }; + }; + +... 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Tue, 10 Mar 2020 23:22:01 -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; Wed, 11 Mar 2020 00:18:47 -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; Wed, 11 Mar 2020 15:14:30 +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; Wed, 11 Mar 2020 15:18:11 +0800 From: Jitao Shi To: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , Subject: [PATCH v13 5/6] drm/mediatek: dpi sample mode support Date: Wed, 11 Mar 2020 15:18:22 +0800 Message-ID: <20200311071823.117899-6-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200311071823.117899-1-jitao.shi@mediatek.com> References: <20200311071823.117899-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: CEF2DB693517EEF1C396A846C8B59F9FFC734174A6225D38E0F4AC176537DA292000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200311_002206_003890_04168C4B X-CRM114-Status: GOOD ( 12.87 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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, bibby.hsieh@mediatek.com, ck.hu@mediatek.com, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DPI can sample on falling, rising or both edge. When DPI sample the data both rising and falling edge. It can reduce half data io pins. Reviewed-by: CK Hu Signed-off-by: Jitao Shi --- drivers/gpu/drm/mediatek/mtk_dpi.c | 27 +++++++++++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 087f5ce732e1..2871e68e7767 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -75,6 +75,7 @@ struct mtk_dpi { enum mtk_dpi_out_bit_num bit_num; enum mtk_dpi_out_channel_swap channel_swap; int refcount; + u32 pclk_sample; }; static inline struct mtk_dpi *mtk_dpi_from_encoder(struct drm_encoder *e) @@ -348,6 +349,13 @@ static void mtk_dpi_config_disable_edge(struct mtk_dpi *dpi) mtk_dpi_mask(dpi, dpi->conf->reg_h_fre_con, 0, EDGE_SEL_EN); } +static void mtk_dpi_enable_pclk_sample_dual_edge(struct mtk_dpi *dpi) +{ + mtk_dpi_mask(dpi, DPI_DDR_SETTING, DDR_EN | DDR_4PHASE, + DDR_EN | DDR_4PHASE); + mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, EDGE_SEL, EDGE_SEL); +} + static void mtk_dpi_config_color_format(struct mtk_dpi *dpi, enum mtk_dpi_out_color_format format) { @@ -439,7 +447,8 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi, pll_rate = clk_get_rate(dpi->tvd_clk); vm.pixelclock = pll_rate / factor; - clk_set_rate(dpi->pixel_clk, vm.pixelclock); + clk_set_rate(dpi->pixel_clk, + vm.pixelclock * (dpi->pclk_sample > 1 ? 2 : 1)); vm.pixelclock = clk_get_rate(dpi->pixel_clk); dev_dbg(dpi->dev, "Got PLL %lu Hz, pixel clock %lu Hz\n", @@ -450,7 +459,8 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi, limit.y_bottom = 0x0010; limit.y_top = 0x0FE0; - dpi_pol.ck_pol = MTK_DPI_POLARITY_FALLING; + dpi_pol.ck_pol = dpi->pclk_sample == 1 ? + MTK_DPI_POLARITY_RISING : MTK_DPI_POLARITY_FALLING; dpi_pol.de_pol = MTK_DPI_POLARITY_RISING; dpi_pol.hsync_pol = vm.flags & DISPLAY_FLAGS_HSYNC_HIGH ? MTK_DPI_POLARITY_FALLING : MTK_DPI_POLARITY_RISING; @@ -504,6 +514,8 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi, mtk_dpi_config_color_format(dpi, dpi->color_format); mtk_dpi_config_2n_h_fre(dpi); mtk_dpi_config_disable_edge(dpi); + if (dpi->pclk_sample > 1) + mtk_dpi_enable_pclk_sample_dual_edge(dpi); mtk_dpi_sw_reset(dpi, false); return 0; @@ -693,6 +705,7 @@ static const struct mtk_dpi_conf mt8183_conf = { static int mtk_dpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct device_node *ep; struct mtk_dpi *dpi; struct resource *mem; int comp_id; @@ -705,6 +718,16 @@ static int mtk_dpi_probe(struct platform_device *pdev) dpi->dev = dev; dpi->conf = (struct mtk_dpi_conf *)of_device_get_match_data(dev); + ep = of_graph_get_endpoint_by_regs(dev->of_node, 0, 0); + if (!ep) { + dev_err(dev, "Failed get the endpoint port\n"); + return -EINVAL; + } + + /* Get the sampling edge from the endpoint. */ + of_property_read_u32(ep, "pclk-sample", &dpi->pclk_sample); + of_node_put(ep); + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); dpi->regs = devm_ioremap_resource(dev, mem); if (IS_ERR(dpi->regs)) { From patchwork Wed Mar 11 07:18:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 11430949 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 ADB0C921 for ; Wed, 11 Mar 2020 07:29:13 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 8BD27208C4 for ; Wed, 11 Mar 2020 07:29:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="TzvwA3ow"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="rklOp7H7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8BD27208C4 Authentication-Results: mail.kernel.org; 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Tue, 10 Mar 2020 23:28:50 -0800 Received: from MTKMBS33N2.mediatek.inc (172.27.4.76) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 11 Mar 2020 00:18:55 -0700 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS33N2.mediatek.inc (172.27.4.76) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 11 Mar 2020 15:19:09 +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; Wed, 11 Mar 2020 15:18:12 +0800 From: Jitao Shi To: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , Subject: [PATCH v13 6/6] drm/mediatek: set dpi pin mode to gpio low to avoid leakage current Date: Wed, 11 Mar 2020 15:18:23 +0800 Message-ID: <20200311071823.117899-7-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200311071823.117899-1-jitao.shi@mediatek.com> References: <20200311071823.117899-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: F6443FB13F5E019EB639DC1C9F2F38ACAD898DE332AEB015D24A81251CC07F532000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200311_002854_230511_3A649121 X-CRM114-Status: GOOD ( 10.26 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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, bibby.hsieh@mediatek.com, ck.hu@mediatek.com, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Config dpi pins mode to output and pull low when dpi is disabled. Aovid leakage current from some dpi pins (Hsync Vsync DE ... ). Signed-off-by: Jitao Shi --- drivers/gpu/drm/mediatek/mtk_dpi.c | 31 ++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 2871e68e7767..b6359e979588 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -10,7 +10,9 @@ #include #include #include +#include #include +#include #include #include @@ -74,6 +76,9 @@ struct mtk_dpi { enum mtk_dpi_out_yc_map yc_map; enum mtk_dpi_out_bit_num bit_num; enum mtk_dpi_out_channel_swap channel_swap; + struct pinctrl *pinctrl; + struct pinctrl_state *pins_gpio; + struct pinctrl_state *pins_dpi; int refcount; u32 pclk_sample; }; @@ -387,6 +392,9 @@ static void mtk_dpi_power_off(struct mtk_dpi *dpi) if (--dpi->refcount != 0) return; + if (dpi->pinctrl && dpi->pins_gpio) + pinctrl_select_state(dpi->pinctrl, dpi->pins_gpio); + mtk_dpi_disable(dpi); clk_disable_unprepare(dpi->pixel_clk); clk_disable_unprepare(dpi->engine_clk); @@ -411,6 +419,9 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi) goto err_pixel; } + if (dpi->pinctrl && dpi->pins_dpi) + pinctrl_select_state(dpi->pinctrl, dpi->pins_dpi); + mtk_dpi_enable(dpi); return 0; @@ -728,6 +739,26 @@ static int mtk_dpi_probe(struct platform_device *pdev) of_property_read_u32(ep, "pclk-sample", &dpi->pclk_sample); of_node_put(ep); + dpi->pinctrl = devm_pinctrl_get(&pdev->dev); + if (IS_ERR(dpi->pinctrl)) { + dpi->pinctrl = NULL; + dev_dbg(&pdev->dev, "Cannot find pinctrl!\n"); + } + if (dpi->pinctrl) { + dpi->pins_gpio = pinctrl_lookup_state(dpi->pinctrl, "sleep"); + if (IS_ERR(dpi->pins_gpio)) { + dpi->pins_gpio = NULL; + dev_dbg(&pdev->dev, "Cannot find pinctrl idle!\n"); + } + if (dpi->pins_gpio) + pinctrl_select_state(dpi->pinctrl, dpi->pins_gpio); + + dpi->pins_dpi = pinctrl_lookup_state(dpi->pinctrl, "default"); + if (IS_ERR(dpi->pins_dpi)) { + dpi->pins_dpi = NULL; + dev_dbg(&pdev->dev, "Cannot find pinctrl active!\n"); + } + } mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); dpi->regs = devm_ioremap_resource(dev, mem); if (IS_ERR(dpi->regs)) {