From patchwork Wed Mar 11 07:40:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 11430983 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 B06CB138D for ; Wed, 11 Mar 2020 07:41:42 +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 79C802146E for ; Wed, 11 Mar 2020 07:41:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="QmcXEni2"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="IMTp8gc4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 79C802146E 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=llm5hpcHNunxbd0JISJdfHUZtrEifOVUOSBgKTY3Op0=; b=QmcXEni2MbZezN wPEsFdAHxT2jNl+zJ2LjG4XHJflqqYteQUz2dzT18yBBXpjWUy+W1ePPRRR0N7udgHDRt1sxKB7ue EuFk5RtYsuISNo8NfPfSh3pIvgKdpKgq2sFBnxDmT26Lp8aRfNbOQXMjVSuCjwQ//vbGYmzLtv+v0 d9zLh+VynTX5MeIowusC8P2Jqus2rZnx1Ty+J6cYJnQKbPUPGfaZp3AGP9Lp+/iuJnYa309fjQFbh +tUHvF3EjJnoaqDgs137Ro35wsa5KDqDhcM3BMPbB6LwWgIxVGBZqu9ygHU2AgBdqiwwaT79hbVrl XZ4maaBODGBVdZZGkUDg==; 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 1jBvzl-0003XS-FB; Wed, 11 Mar 2020 07:41:37 +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 1jBvz9-000304-88; Wed, 11 Mar 2020 07:41:00 +0000 X-UUID: a4c8a0f1357b444883113633c781ca9e-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=LkxTQ6EkbNDavsaknDTmCujK6P6DkEqHOkdqLklErpk=; b=IMTp8gc4JdjYowh4XonGi1wqO7V2sF2CqlOdBQDVULX0o+sh7jPnzTigiIuJ3aJ6BHW/L7MhwDplLFq96QoEmBwIUM4oO5/WJB+YYliE0o5bHpSeeOSILZJZOGlrhuNPWotm1koB2MScXHPT8FJuijA24MGzW4LfMY2SGC+ho00=; X-UUID: a4c8a0f1357b444883113633c781ca9e-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 704737968; Tue, 10 Mar 2020 23:40:54 -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 00:40:51 -0700 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS33N1.mediatek.inc (172.27.4.75) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 11 Mar 2020 15:38:24 +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; Wed, 11 Mar 2020 15:42:01 +0800 From: Jitao Shi To: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , Subject: [PATCH v3 1/4] dt-bindings: display: mediatek: add property to control mipi tx drive current Date: Wed, 11 Mar 2020 15:40:29 +0800 Message-ID: <20200311074032.119481-2-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200311074032.119481-1-jitao.shi@mediatek.com> References: <20200311074032.119481-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 722E361D831C8C3966132F721EB94F410BBC341B3127202F294AB6C020A316202000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200311_004059_299382_24E7BCD6 X-CRM114-Status: UNSURE ( 7.93 ) 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, 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 a property to control mipi tx drive current: "drive-strength-microamp" Signed-off-by: Jitao Shi --- .../devicetree/bindings/display/mediatek/mediatek,dsi.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt index a19a6cc375ed..d501f9ff4b1f 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt @@ -33,6 +33,9 @@ Required properties: - #clock-cells: must be <0>; - #phy-cells: must be <0>. +Optional properties: +- drive-strength-microamp: adjust driving current, should be 1 ~ 0xF + Example: mipi_tx0: mipi-dphy@10215000 { @@ -42,6 +45,7 @@ mipi_tx0: mipi-dphy@10215000 { clock-output-names = "mipi_tx0_pll"; #clock-cells = <0>; #phy-cells = <0>; + drive-strength-microamp = <0x8>; }; dsi0: dsi@1401b000 {