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=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 1BDACC4361B for ; Mon, 7 Dec 2020 17:22:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DBB1F23731 for ; Mon, 7 Dec 2020 17:22:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726035AbgLGRVy (ORCPT ); Mon, 7 Dec 2020 12:21:54 -0500 Received: from mail-ot1-f67.google.com ([209.85.210.67]:44491 "EHLO mail-ot1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725814AbgLGRVy (ORCPT ); Mon, 7 Dec 2020 12:21:54 -0500 Received: by mail-ot1-f67.google.com with SMTP id f16so13146652otl.11; Mon, 07 Dec 2020 09:21:38 -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; bh=itlqPicSMRd57nRY/PX69XHL3uisVndeLcgR+EO03z4=; b=mbvqKxDGbBhv+7vVRklEWVJc0/MEjniQLTVFMV/+TFtv1CZke5yEP9a8BjP81LBamG LYtJ0Y+GexfcKwZX1kLRJO0EsWRfjaOtom5WA5cEo1dy1FAwB+TTd+4RjLmhkPwf6fxn ZpC6yhQInj7Abhzc88lw4B9BfIeDcfZb6ffg6lDuay05UqbvMGO31XNa4N/nQ1jeZzFP vr0rsr+RsyVmMuarAWehQyXHqqlNlM57f8SIFNLl0Sayt3UvYUvgejDXQPFHsOOPLLwN +6ZYiqOH1+Fn2oI1X3GctpNAdq9s5Hx8dRlsy4n9U8eejw3QFPc6psHbkh1/EEnxr1ps MfgA== X-Gm-Message-State: AOAM533Y9ht3CN+XRiFUBMpKQrLBoIpFQUb5FQzjYnN7+K+PJ39tAZ3T 8O4F3R6iSgY5nH85qHDOMg== X-Google-Smtp-Source: ABdhPJxN3RwybzAnbl8yifcm/Ew7Kpeu2mQ+OZpWky+VxeYPzAn337QI8AxN98X31l6hvUYFcHYR4A== X-Received: by 2002:a05:6830:1349:: with SMTP id r9mr6019026otq.256.1607361673016; Mon, 07 Dec 2020 09:21:13 -0800 (PST) Received: from xps15 (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id t13sm3050904oic.4.2020.12.07.09.21.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Dec 2020 09:21:12 -0800 (PST) Received: (nullmailer pid 465658 invoked by uid 1000); Mon, 07 Dec 2020 17:21:11 -0000 Date: Mon, 7 Dec 2020 11:21:11 -0600 From: Rob Herring To: Chris Ruehl Cc: devicetree@vger.kernel.org, Kishon Vijay Abraham I , Vinod Koul , Heiko Stuebner , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH 2/2] devicetree: phy: rockchip-emmc add output-tapdelay-select Message-ID: <20201207172039.GA463809@robh.at.kernel.org> References: <20201202082507.3536-1-chris.ruehl@gtsys.com.hk> <20201202082507.3536-3-chris.ruehl@gtsys.com.hk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201202082507.3536-3-chris.ruehl@gtsys.com.hk> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Wed, Dec 02, 2020 at 04:25:07PM +0800, Chris Ruehl wrote: > Update the rockchip-emmc-phy.txt and add the u32 property > 'output-tapdelay-select'. This allow to set the otapdlysec register. > > Tested with our customized rk3399 board to tune eMMC. > > Signed-off-by: Chris Ruehl > --- > Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt > index 3e4d2d79a65d..00aa2d349e55 100644 > --- a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt > +++ b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt > @@ -18,6 +18,9 @@ Optional properties: > If not set, the default value of 50 will be applied. > - enable-strobe-pulldown: Enable internal pull-down for the strobe line. > If not set, pull-down is not used. > + - output-tapdelay-select: Specifies the phyctrl_otapdlysec register. > + If not set, the register defaults to 0x4. > + Maximum value 0xf. Needs a vendor prefix. > > Example: > > -- > 2.20.1 >