From patchwork Fri Nov 15 11:16:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bough Chen X-Patchwork-Id: 11246103 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 3B11A6C1 for ; Fri, 15 Nov 2019 11:18:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1B3F320730 for ; Fri, 15 Nov 2019 11:18:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727151AbfKOLSv (ORCPT ); Fri, 15 Nov 2019 06:18:51 -0500 Received: from inva020.nxp.com ([92.121.34.13]:49320 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726521AbfKOLSv (ORCPT ); Fri, 15 Nov 2019 06:18:51 -0500 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id B4DAD1A050C; Fri, 15 Nov 2019 12:18:49 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 42CCD1A0A30; Fri, 15 Nov 2019 12:18:44 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id A57B0402F8; Fri, 15 Nov 2019 19:18:37 +0800 (SGT) From: haibo.chen@nxp.com To: adrian.hunter@intel.com, ulf.hansson@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, robh+dt@kernel.org, mark.rutland@arm.com, kernel@pengutronix.de Cc: devicetree@vger.kernel.org, festevam@gmail.com, linux-mmc@vger.kernel.org, linux-imx@nxp.com, haibo.chen@nxp.com Subject: [PATCH 08/14] doc: dt: fsl-imx-esdhc: add strobe-dll-delay-target binding Date: Fri, 15 Nov 2019 19:16:45 +0800 Message-Id: <1573816606-26779-1-git-send-email-haibo.chen@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org From: Haibo Chen Add fsl,strobe-dll-delay-target binding. Signed-off-by: Haibo Chen Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt index f707b8bee304..d50144f5f1d2 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt @@ -38,6 +38,11 @@ Optional properties: This property allows user to change the tuning step to more than one delay cells which is useful for some special boards or cards when the default tuning step can't find the proper delay window within limited tuning retries. +- fsl,strobe-dll-delay-target: Specify the strobe dll control slave delay target. + This delay target programming host controller loopback read clock, and this + property allows user to change the delay target for the strobe input read clock. + If not use this property, driver default set the delay target to value 7. + Only eMMC HS400 mode need to take care of this property. Examples: