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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 F1C5EC5DF64 for ; Wed, 6 Nov 2019 10:10:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C2264217F4 for ; Wed, 6 Nov 2019 10:10:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="ruFqG6l3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731327AbfKFKKB (ORCPT ); Wed, 6 Nov 2019 05:10:01 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:7268 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731363AbfKFKJ5 (ORCPT ); Wed, 6 Nov 2019 05:09:57 -0500 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xA6A7Bc5003302; Wed, 6 Nov 2019 11:09:42 +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=Eu/qqzaS1pp8TvmfaYHxuA1TJTYBQ4y6Pgq5d0GE35Y=; b=ruFqG6l380JE4X24zCDqGhmxLBLWJN6jvQycNwE4r/5QY8g8YNhx2IwNeaYefI3CQ8oq vQzBA6FsyQxNRWLg3gA1Lv6p4p1mIGXDUIw09U+1TxphjOO9gbIYbZRhytjhghTaXgFP TzjJmhPxf+f9ZzbyERi1y9l6wq6QrsjeWia9j1aZa/18Vd+z/TfKqrhfRm621H0h4r8L UbKCpKuZPLndASO92vNV3WJxhgNeEM/O+jH5YPjXfdWeITJPxIXNtUN/8qwo6E0qJGBK FqCnReeJN4ZHTRPiDzX1iv4eLXrdSigF2WwFwnSOj3VenZ1yJGayo7l99em3HxnFugh3 2g== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2w10f1mpur-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 06 Nov 2019 11:09:42 +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 6D45C10002A; Wed, 6 Nov 2019 11:09:42 +0100 (CET) Received: from Webmail-eu.st.com (Safex1hubcas23.st.com [10.75.90.46]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 60F392AD337; Wed, 6 Nov 2019 11:09:42 +0100 (CET) Received: from SAFEX1HUBCAS22.st.com (10.75.90.92) by SAFEX1HUBCAS23.st.com (10.75.90.46) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 6 Nov 2019 11:09:42 +0100 Received: from localhost (10.48.1.131) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 6 Nov 2019 11:09:41 +0100 From: Yann Gautier To: CC: , , , , , , , Yann Gautier , "Ludovic Barre" Subject: [PATCH 1/4] ARM: dts: stm32: update slew-rate properties for sdmmc1 on stm32mp157 Date: Wed, 6 Nov 2019 11:09:35 +0100 Message-ID: <20191106100938.11368-2-yann.gautier@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191106100938.11368-1-yann.gautier@st.com> References: <20191106100938.11368-1-yann.gautier@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.48.1.131] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-11-06_02:2019-11-06,2019-11-06 signatures=0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Relax sdmmc1 pins slew-rate to minimize peak currents. Signed-off-by: Ludovic Barre Signed-off-by: Yann Gautier --- arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 28 +++++++++++++++-------- 1 file changed, 19 insertions(+), 9 deletions(-) diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi index 0a3a7d66737b..2904bc8c6a41 100644 --- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi @@ -731,14 +731,19 @@ }; sdmmc1_b4_pins_a: sdmmc1-b4-0 { - pins { + pins1 { pinmux = , /* SDMMC1_D0 */ , /* SDMMC1_D1 */ , /* SDMMC1_D2 */ , /* SDMMC1_D3 */ - , /* SDMMC1_CK */ ; /* SDMMC1_CMD */ - slew-rate = <3>; + slew-rate = <1>; + drive-push-pull; + bias-disable; + }; + pins2 { + pinmux = ; /* SDMMC1_CK */ + slew-rate = <2>; drive-push-pull; bias-disable; }; @@ -749,15 +754,20 @@ pinmux = , /* SDMMC1_D0 */ , /* SDMMC1_D1 */ , /* SDMMC1_D2 */ - , /* SDMMC1_D3 */ - ; /* SDMMC1_CK */ - slew-rate = <3>; + ; /* SDMMC1_D3 */ + slew-rate = <1>; drive-push-pull; bias-disable; }; - pins2{ + pins2 { + pinmux = ; /* SDMMC1_CK */ + slew-rate = <2>; + drive-push-pull; + bias-disable; + }; + pins3 { pinmux = ; /* SDMMC1_CMD */ - slew-rate = <3>; + slew-rate = <1>; drive-open-drain; bias-disable; }; @@ -779,7 +789,7 @@ pinmux = , /* SDMMC1_D0DIR */ , /* SDMMC1_D123DIR */ ; /* SDMMC1_CDIR */ - slew-rate = <3>; + slew-rate = <1>; drive-push-pull; bias-pull-up; }; -- 2.17.1