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=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_1 autolearn=unavailable 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 54CFBC33CB2 for ; Wed, 15 Jan 2020 14:56:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2AEE92084D for ; Wed, 15 Jan 2020 14:56:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579100210; bh=4hSgjlf+j7uAXIz4y06dxEdBrPMPHgzLbs71F0VcQCg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=WvNfE8TMvq5+/UOucQFSh/WktSWpFTk8HwDlfimpAzUWnDSAEd2wwguJMUCPacvSp uIDUcyBzMqLb0YLCoyglLH74ERPX8ZjkFOjwf3gmXZGRk2++Pi1alz+D0TgUoZZDxW smYnAzHm0jraYLC4pcivdSK9SW8jAp7cbOwXmJm0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729121AbgAOO4t (ORCPT ); Wed, 15 Jan 2020 09:56:49 -0500 Received: from mail-ot1-f66.google.com ([209.85.210.66]:39817 "EHLO mail-ot1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729015AbgAOO4t (ORCPT ); Wed, 15 Jan 2020 09:56:49 -0500 Received: by mail-ot1-f66.google.com with SMTP id 77so16332429oty.6 for ; Wed, 15 Jan 2020 06:56:48 -0800 (PST) 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=9gnxD+G4FNn+U8wzPNZLFG38GLzn+JUvySqC1BxpFAA=; b=HlI1zILY3on/ducRsA+oeVJIV5hI/7HWu9gZHIUUVM5626hPXTidaWgOH1hVITfHRX aPSkvuQItN0bzAZAteiJMAPPoYe6XhfrGt3p1b7lIPuLk9iyuML7WtOJzjgcBg1aOuLB HUnpP1hL6xei7AHpHS6Qs2gAQhjmutPM4DAWBRx39u0b8wYiSj/6kG1LTpq1E3luZRyQ ELGaQRrA6JBcse3yek8qPB4noBDo3BsQ1BIWGIAZH/0QN8LRnzWK/7xU9ofL7ME+brY/ uuIPQxfT72vRdkOn94FQMWKaCVtc4n2oarQ4CCQr+d7ef5KIfXIdw0TwTflfyaFVui3G XWCQ== X-Gm-Message-State: APjAAAXLwuIhs0JG5Zy/vBmw/q84+x+oGUhJRKGbjtZRjkNll5pqR79y nHtAyXKKr9PeBE8mwTA63EX07lM= X-Google-Smtp-Source: APXvYqz4VVdZZDBWgFKWAtYvU5Iagamv+xeVb+x23XkAHzdY+E/JisdAp2tWx62oHz4ofsO0lhWafw== X-Received: by 2002:a9d:1d02:: with SMTP id m2mr2819248otm.45.1579100207883; Wed, 15 Jan 2020 06:56:47 -0800 (PST) Received: from rob-hp-laptop (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id t9sm1607367otq.65.2020.01.15.06.56.46 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Jan 2020 06:56:46 -0800 (PST) Received: from rob (uid 1000) (envelope-from rob@rob-hp-laptop) id 22040c by rob-hp-laptop (DragonFly Mail Agent v0.11); Wed, 15 Jan 2020 08:56:45 -0600 Date: Wed, 15 Jan 2020 08:56:45 -0600 From: Rob Herring To: Ludovic Barre Cc: Ulf Hansson , srinivas.kandagatla@linaro.org, Maxime Coquelin , Alexandre Torgue , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mmc@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com Subject: Re: [PATCH 5/9] dt-bindings: mmc: mmci: add delay block base register for sdmmc Message-ID: <20200115145645.GA599@bogus> References: <20200110134823.14882-1-ludovic.barre@st.com> <20200110134823.14882-6-ludovic.barre@st.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200110134823.14882-6-ludovic.barre@st.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 10, 2020 at 02:48:19PM +0100, Ludovic Barre wrote: > To support the sdr104 mode, the sdmmc variant has a > hardware delay block to manage the clock phase when sampling > data received by the card. > > This patch adds a second base register (optional) for > sdmmc delay block. > > Signed-off-by: Ludovic Barre > --- > Documentation/devicetree/bindings/mmc/mmci.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mmc/mmci.txt b/Documentation/devicetree/bindings/mmc/mmci.txt > index 6d3c626e017d..4ec921e4bf34 100644 > --- a/Documentation/devicetree/bindings/mmc/mmci.txt > +++ b/Documentation/devicetree/bindings/mmc/mmci.txt > @@ -28,6 +28,8 @@ specific for ux500 variant: > - st,sig-pin-fbclk : feedback clock signal pin used. > > specific for sdmmc variant: > +- reg : a second base register may be defined if a delay > + block is present and used for tuning. Which compatibles have a 2nd reg entry? > - st,sig-dir : signal direction polarity used for cmd, dat0 dat123. > - st,neg-edge : data & command phase relation, generated on > sd clock falling edge. > -- > 2.17.1 >