From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.5 required=3.0 tests=INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 DBE6EC54FCF for ; Mon, 23 Mar 2020 22:00:38 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 BBE162076F for ; Mon, 23 Mar 2020 22:00:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BBE162076F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E1E516E193; Mon, 23 Mar 2020 22:00:37 +0000 (UTC) Received: from mail-il1-f193.google.com (mail-il1-f193.google.com [209.85.166.193]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8BB2A6E193 for ; Mon, 23 Mar 2020 22:00:36 +0000 (UTC) Received: by mail-il1-f193.google.com with SMTP id k29so14931125ilg.0 for ; Mon, 23 Mar 2020 15:00:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=qFiwHqrhsKdbaQVzkW2fMkiFVAgwIM9ohgEmy5tZ2Xk=; b=lEulgayA/9DmlvdxLBpe9aMfbginJ58MaVoZ0AWegBL8UMrjKY1FZf2m0SfXkPkhr/ QfusE1E2CT/ES6UJ0bTecWWp6MNDpNHRui03vL6pdgTu6FxxZB2L+3DdKCLfn8IZahCN qp7iyScyXC3QC1aE0pj18onMgJEF9rze0zqDot5pF6sBomyavOdroUY37baSDnJe00x5 958+etCajmbwrEV+eX3do03dMiIbzGnkrivfwUF1hUJEb3ADkb7RBIryJMwVM5F94eIe gZOxZGyvDb3H/a+cxGA7QwdMjqQFHoyHtl8PrUSSwMvksGVorrDzUpGRZQedkKhAv3YO 7Fog== X-Gm-Message-State: ANhLgQ3DfN6Upt7exqj7O4/+OMpzZvDUr3a7u3tR14snMEZCrM/epebz p/QaajuTpJtJfibtLCUB0Q== X-Google-Smtp-Source: ADFU+vtSXHZEpiLMs2FsMhDZIZ99EheK1oZfK6YT/nyh4eZQFkcY0AWh7hyF7JqjXt0YhfmzAA9P8Q== X-Received: by 2002:a92:ddcb:: with SMTP id d11mr23249377ilr.211.1585000835890; Mon, 23 Mar 2020 15:00:35 -0700 (PDT) Received: from rob-hp-laptop ([64.188.179.250]) by smtp.gmail.com with ESMTPSA id m18sm5620099ila.54.2020.03.23.15.00.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Mar 2020 15:00:35 -0700 (PDT) Received: (nullmailer pid 10516 invoked by uid 1000); Mon, 23 Mar 2020 22:00:33 -0000 Date: Mon, 23 Mar 2020 16:00:33 -0600 From: Rob Herring To: Jitao Shi Subject: Re: [PATCH v3 1/4] dt-bindings: display: mediatek: add property to control mipi tx drive current Message-ID: <20200323220033.GA29463@bogus> References: <20200311074032.119481-1-jitao.shi@mediatek.com> <20200311074032.119481-2-jitao.shi@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200311074032.119481-2-jitao.shi@mediatek.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, srv_heupstream@mediatek.com, David Airlie , huijuan.xie@mediatek.com, stonea168@163.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, cawa.cheng@mediatek.com, linux-mediatek@lists.infradead.org, Matthias Brugger , yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Wed, Mar 11, 2020 at 03:40:29PM +0800, Jitao Shi wrote: > 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 TBC, 1-0xf is in units of microamps? So a max drive strength of 15uA? Seems a bit low. > + > 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 { > -- > 2.21.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel