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[209.132.180.67]) by mx.google.com with ESMTP id e6si8319774otq.217.2020.01.28.01.09.49; Tue, 28 Jan 2020 01:10:02 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@st.com header.s=STMicroelectronics header.b=UBEY8dkf; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=st.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726449AbgA1JHZ (ORCPT + 99 others); Tue, 28 Jan 2020 04:07:25 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:55784 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726059AbgA1JHA (ORCPT ); Tue, 28 Jan 2020 04:07:00 -0500 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 00S92jMX021530; Tue, 28 Jan 2020 10:06:51 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=Huk5zIYk1Jr66peEpN7YfxHE+3Lw48xMpcF+1ILPSFg=; b=UBEY8dkfV9vYziGbMOlt2M2pP2Fy9RiXcODVGjwsW6RzEA76eQ+IV+J5tnT8sWpBgz+1 DNfDrQKNsvYzY4U/KBXMrExjBzvji/0ZKTV+jkt3gzYR0+lw0qUwkk1L6ol+KbVc5xtT Gwo94TXbAPrY4mZdGwm9Wo9Uuz3j46KY2+We6TsV2ybBwRQcLeRqTI+U/r3Mc1N/JOsc RttPeq3YbbChkpEQTwpzIeuUapWo4i8hUsVdbmRHhQeJc+eIFWHHAzMq7hrZIiS2LWMr 8h+ME2diwl6tem4BIPzBcZQUxtmSa4XvHcpIc1MMAUN6vqVDI5au+ST5etmubO/CdwIQ ig== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2xrdekcuhn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Jan 2020 10:06:51 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id C8307100053; Tue, 28 Jan 2020 10:06:44 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag6node1.st.com [10.75.127.16]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id B0F50212A38; Tue, 28 Jan 2020 10:06:44 +0100 (CET) Received: from localhost (10.75.127.45) by SFHDAG6NODE1.st.com (10.75.127.16) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 28 Jan 2020 10:06:44 +0100 From: Ludovic Barre To: Ulf Hansson , Rob Herring CC: , Maxime Coquelin , Alexandre Torgue , , , , , , Ludovic Barre Subject: [PATCH V2 5/9] dt-bindings: mmc: mmci: add delay block base register for sdmmc Date: Tue, 28 Jan 2020 10:06:32 +0100 Message-ID: <20200128090636.13689-6-ludovic.barre@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200128090636.13689-1-ludovic.barre@st.com> References: <20200128090636.13689-1-ludovic.barre@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.75.127.45] X-ClientProxiedBy: SFHDAG7NODE3.st.com (10.75.127.21) To SFHDAG6NODE1.st.com (10.75.127.16) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-01-28_02:2020-01-24,2020-01-28 signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. - 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