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 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 2230EE98FDF for ; Thu, 9 Apr 2026 09:59:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3oeln9JFl3xMIZpXa990FnDvFwc3Ph1pCSyvABpPHh8=; b=d2I+ngDyx0AJfw+z4rPSOuoeRb CKiwhOpYUfIqNYA4IlcicGimyKEZBEKz6oYCztpZwVpkho3bA4s/xHrsUFz4di5AdW6wCsZiTX6Je qjwWvNwiIZEzwTgjI3PaiPhEqfNgH7AfDx4qyZgDLZsjC65Uw6IIf17cTifOvMQBnnsYedSGw06yu rWwFzikSMujI7SphZrKooJswmmfSC0Fg4aomSXcGAlm6OMc0y2SQYlbm6Dwf3ZeajeXTo7bZNhsmr KsA7KJNddM55873EvOfn2qQ92q46WKXDGjBetZqmxeWMVRMQmmxCBMZiQQYKs4SYy8oWUD9EV6odY CbIn/VkQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wAmAN-0000000A6Tj-465l; Thu, 09 Apr 2026 09:59:15 +0000 Received: from mail11.truemail.it ([2001:4b7e:0:8::81]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wAmAI-0000000A6PF-42Ws for linux-arm-kernel@lists.infradead.org; Thu, 09 Apr 2026 09:59:12 +0000 Received: from francesco-nb.. (xcpe-178-82-120-96.dyn.res.sunrise.net [178.82.120.96]) by mail11.truemail.it (Postfix) with ESMTPA id BA2FE2035D; Thu, 9 Apr 2026 11:59:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1775728749; bh=3oeln9JFl3xMIZpXa990FnDvFwc3Ph1pCSyvABpPHh8=; h=From:To:Subject; b=ajF8FaMnzUqXRCsZ7aDfsCwGHWoT0NO4zdp3CT8on86/aAEe2KcEZ5GeiqhH0l1yV iReHRUBmD4YDhgYUSiNiLLJi9zQBcKAZrYHB5c/jGEP+e+PVPExjZK1eDnhkR3ojh0 arzfid+SVOgW1ezZ9dwQA5lz005ne1hK6EggnsgWmI5k23ZysrvRAs4oqAAGuqHdP5 2oIUC+GCn8K8ad80qasZ7OohRiqWkOW088ou7wL3li4K/SS51z4k9o14Byj4NGrrFw 54E209QplebTwrSrZ0447x+9jEYlDplhaYtLBQSwCp+uWzInNiabrarLo3zkmvN9x8 qrXNvtsWhT+tg== From: Francesco Dolcini To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Shawn Guo Cc: Francesco Dolcini , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [PATCH v1 4/7] arm64: dts: freescale: imx8mp-verdin: Split UART_2 pinctrl group Date: Thu, 9 Apr 2026 11:58:50 +0200 Message-ID: <20260409095855.61252-5-francesco@dolcini.it> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260409095855.61252-1-francesco@dolcini.it> References: <20260409095855.61252-1-francesco@dolcini.it> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260409_025911_156079_3996554E X-CRM114-Status: UNSURE ( 8.29 ) X-CRM114-Notice: Please train this message. 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 From: Francesco Dolcini Some carrier board reuse the UART_2 control signals as GPIO, split the pinctrl RTS/CTS in separated nodes to maximize flexibility. Signed-off-by: Francesco Dolcini --- arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi index d31f8082394f..9fee2cf9ef54 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi @@ -846,7 +846,7 @@ &uart1 { /* Verdin UART_2 */ &uart2 { pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_uart2>; + pinctrl-0 = <&pinctrl_uart2>, <&pinctrl_uart2_cts>, <&pinctrl_uart2_rts>; uart-has-rtscts; }; @@ -1277,10 +1277,18 @@ pinctrl_uart1: uart1grp { ; /* SODIMM 131 */ }; + pinctrl_uart2_cts: uart2ctsgrp { + fsl,pins = + ; /* SODIMM 143 */ + }; + + pinctrl_uart2_rts: uart2rtsgrp { + fsl,pins = + ; /* SODIMM 141 */ + }; + pinctrl_uart2: uart2grp { fsl,pins = - , /* SODIMM 143 */ - , /* SODIMM 141 */ , /* SODIMM 137 */ ; /* SODIMM 139 */ }; -- 2.47.3