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[23.128.96.35]) by mx.google.com with ESMTPS id c5-20020a6566c5000000b0055793097dbesi1527399pgw.469.2023.10.31.13.49.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Oct 2023 13:49:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) client-ip=23.128.96.35; Authentication-Results: mx.google.com; dkim=pass header.i=@fris.de header.s=dkim header.b=o7HIHiW8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=fris.de Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id 3254980427AF; Tue, 31 Oct 2023 13:49:17 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344833AbjJaUsF (ORCPT + 33 others); Tue, 31 Oct 2023 16:48:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41780 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344004AbjJaUrS (ORCPT ); Tue, 31 Oct 2023 16:47:18 -0400 Received: from mail.fris.de (mail.fris.de [116.203.77.234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E5E3110; Tue, 31 Oct 2023 13:47:15 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 57722C0480; Tue, 31 Oct 2023 21:39:18 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1698784759; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=HVCjndQIe15bNhDOQRE7TXwGMFKpfwjfSF5gldJOFwA=; b=o7HIHiW8geQt/vt0Fhi88KpF0L7E5HxzUhEJW0WlyF0U9qCUtf3VkVINCuMAhrUZ5vKdIm jxvIIUo4M19l5/CGmtvkUwRYJ+ppJqqtgo6N7QLOWj4goUEzVWQes1Ovd2ah7Q63DlG9lO 4TIUpVBKOnj+y/Qiuc0w7N6tcdkWhgq7nPvkOuwaGhVNXHj5m9vT8L6WLtN/QwOPiqtJv1 ph9PemisF3zF5vDdQags2uKY+IfWq37YYa6uc2hncgkvIZCGGo23Lf7Dr2J9hZJaBW2zLp EikkNkua78jIK6XlJMZDsYxA1dHqX5YaQpvvmezRpcYH57tQYSxIjXXrc46rxg== From: Frieder Schrempf To: Conor Dooley , devicetree@vger.kernel.org, Frieder Schrempf , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: Fabio Estevam , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH 05/14] arm64: dts: imx8mm-kontron: Disable pullups for onboard UART signals on BL OSM-S board Date: Tue, 31 Oct 2023 21:37:42 +0100 Message-ID: <20231031203836.3888404-6-frieder@fris.de> In-Reply-To: <20231031203836.3888404-1-frieder@fris.de> References: <20231031203836.3888404-1-frieder@fris.de> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Tue, 31 Oct 2023 13:49:17 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1781305558892954864 X-GMAIL-MSGID: 1781305558892954864 From: Frieder Schrempf These signals are actively driven by the SoC or by the onboard transceiver. There's no need to enable the internal pull resistors and due to silicon errata ERR050080 let's disable the internal ones to prevent any unwanted behavior in case they wear out. Fixes: de9618e84f76 ("arm64: dts: Add support for Kontron SL/BL i.MX8MM OSM-S") Signed-off-by: Frieder Schrempf --- .../dts/freescale/imx8mm-kontron-bl-osm-s.dts | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts index 0730c22e5b6b9..1dd03ef0a7835 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts @@ -313,19 +313,19 @@ MX8MM_IOMUXC_SAI5_MCLK_GPIO3_IO25 0x19 pinctrl_uart1: uart1grp { fsl,pins = < - MX8MM_IOMUXC_SAI2_RXC_UART1_DCE_RX 0x140 - MX8MM_IOMUXC_SAI2_RXFS_UART1_DCE_TX 0x140 - MX8MM_IOMUXC_SAI2_RXD0_UART1_DCE_RTS_B 0x140 - MX8MM_IOMUXC_SAI2_TXFS_UART1_DCE_CTS_B 0x140 + MX8MM_IOMUXC_SAI2_RXC_UART1_DCE_RX 0x0 + MX8MM_IOMUXC_SAI2_RXFS_UART1_DCE_TX 0x0 + MX8MM_IOMUXC_SAI2_RXD0_UART1_DCE_RTS_B 0x0 + MX8MM_IOMUXC_SAI2_TXFS_UART1_DCE_CTS_B 0x0 >; }; pinctrl_uart2: uart2grp { fsl,pins = < - MX8MM_IOMUXC_SAI3_TXFS_UART2_DCE_RX 0x140 - MX8MM_IOMUXC_SAI3_TXC_UART2_DCE_TX 0x140 - MX8MM_IOMUXC_SAI3_RXD_UART2_DCE_RTS_B 0x140 - MX8MM_IOMUXC_SAI3_RXC_UART2_DCE_CTS_B 0x140 + MX8MM_IOMUXC_SAI3_TXFS_UART2_DCE_RX 0x0 + MX8MM_IOMUXC_SAI3_TXC_UART2_DCE_TX 0x0 + MX8MM_IOMUXC_SAI3_RXD_UART2_DCE_RTS_B 0x0 + MX8MM_IOMUXC_SAI3_RXC_UART2_DCE_CTS_B 0x0 >; };