From patchwork Tue Mar 28 15:37:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Valentin Caron X-Patchwork-Id: 13191303 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5D30AC77B62 for ; Tue, 28 Mar 2023 15:38:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=m+ycaSrMB6glme3IVBighzOUhNCncQhTyuduFDaKG3Q=; b=j6jnyF90mOTQKb koiyyQu+/69QxJN8uiF4Sf8VXJPIGI/gljQ6s7O2sOwBYzjQ4Z80qs92lgLfLTO6WA6kK30vxwoiF Gqf66H3nM/Ab18+sBL8EL0QPQDyW4VWDA59Me8BpMqNo0kLcndkz8nBF6fcj/4WT4e8+CKFDiyz0t Ou+D+6NGi7IPnpUrKIouqLmEpjl20hhpfYkbe1Fnr7kY87P950gY7VQi04AKy2ITbDLxQVgWK+H3R 5hm4Zs1NzYl4WRZDthl3W9gy8K05diwaootavaISFGFbPBqLi1bNaFg2GrfQzEtLC0edAcCncTrmJ 4U28/+xVPnc8AGdQcmHw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1phBOb-00Exaw-2X; Tue, 28 Mar 2023 15:38:01 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1phBOP-00ExWg-1K for linux-arm-kernel@lists.infradead.org; Tue, 28 Mar 2023 15:37:50 +0000 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 32SE1gFw005941; Tue, 28 Mar 2023 17:37:37 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=selector1; bh=SzvK1cLP3OVVX9Q34SB1SXBdU4+s87izaRnygm8nHqQ=; b=ytVCVY5OzwIsP6XlIJ0AzjLidchlClt6yZb1wCyS/CoIm48pv2nyVbDpCCPBkz9KlWAv btCZMQv4SbwlGOWU52edtJUgO/YQF2rzMiKcmu+mpn/cHru6uO1pCu5aJAtrBVveDy+V OsCaKWnvEZzv0bwvfIcBhrLETzPKubW59lL2aZ0TelgaE6WPEBVY1L25ZAd+n/pRmLBN cNMqkw0tM/M+ZHdlFMWpw+vCKo9/SOuBYIyf1Tbb+BrrA4HdzcFCFZnDlvv0CB0mqV6j Rr0Pcu+sWCjRb7rGCZkRIbE7ojJojSUQfmus5quS1IqxkSYuMjsAdnzCbT9sB4mX6vFX GA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3pk5xkjtk4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Mar 2023 17:37:37 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id D56E2100034; Tue, 28 Mar 2023 17:37:36 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node1.st.com [10.75.129.69]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id CFAFA2171C4; Tue, 28 Mar 2023 17:37:36 +0200 (CEST) Received: from localhost (10.201.20.168) by SHFDAG1NODE1.st.com (10.75.129.69) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.17; Tue, 28 Mar 2023 17:37:36 +0200 From: Valentin Caron To: Alexandre Torgue CC: Rob Herring , Krzysztof Kozlowski , Maxime Coquelin , Valentin Caron , , , , Subject: [PATCH v2 1/6] ARM: dts: stm32: fix slew-rate of USART2 on stm32mp15xx-dkx Date: Tue, 28 Mar 2023 17:37:18 +0200 Message-ID: <20230328153723.498672-2-valentin.caron@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230328153723.498672-1-valentin.caron@foss.st.com> References: <20230328153723.498672-1-valentin.caron@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.20.168] X-ClientProxiedBy: EQNCAS1NODE3.st.com (10.75.129.80) To SHFDAG1NODE1.st.com (10.75.129.69) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-24_11,2023-03-28_02,2023-02-09_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230328_083749_745506_65D33033 X-CRM114-Status: GOOD ( 16.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On stm32mp15xx-dkx boards: - Fix slew-rate of USART 2 to 0 like other USARTs, because frequency of USART pins doesn't exceed 10Mhz. Signed-off-by: Valentin Caron --- arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi index e15a3b2a9b39..e86d989dd351 100644 --- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi @@ -2178,7 +2178,7 @@ pins1 { ; /* USART2_RTS */ bias-disable; drive-push-pull; - slew-rate = <3>; + slew-rate = <0>; }; pins2 { pinmux = , /* USART2_RX */ @@ -2196,7 +2196,7 @@ pins2 { pinmux = ; /* USART2_RTS */ bias-disable; drive-push-pull; - slew-rate = <3>; + slew-rate = <0>; }; pins3 { pinmux = ; /* USART2_RX */