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 D7EE6E98FDD for ; Thu, 9 Apr 2026 09:59:18 +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=rilisu3ZqruoV1nzBO4jO5k4MVTLVZBUuqa+slZBBfA=; b=n+s1XCfwjyioEJWLb5LQnqSJDM T7i5mO1yGVkCUCO/4+gc6rLj6jdcM9P7MHB20M7FgGVNKJ0CcqM5anhc9oeRzpMCW7u7rEMZ07Ytr VuhFOAZDPM6KGKVR1yX4sseD0AfBWPYeQ95PJHNJnmYzQ5hGsH7Ohdi0rpnkKo7MuVeUsk+7hPfYc GkhPRJUKDk1sLP4zuoE09D3YI+FsYetecd1CnxCwor0mBqTjDh8Gq3hFnyHl2ZPSKX+TfI9EB3tpP dlbanKES2F+Q6Pz06PiKe7WnLJVXs1VEg6xQ9GRh0FZzI+z+IOqL3Qi4RyZDGti/p7LmQ+zJGU1wF UI9ZR1QA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wAmAK-0000000A6R1-2VhD; Thu, 09 Apr 2026 09:59:12 +0000 Received: from mail11.truemail.it ([217.194.8.81]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wAmAH-0000000A6P0-2SLy for linux-arm-kernel@lists.infradead.org; Thu, 09 Apr 2026 09:59:10 +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 6771220379; Thu, 9 Apr 2026 11:59:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1775728747; bh=rilisu3ZqruoV1nzBO4jO5k4MVTLVZBUuqa+slZBBfA=; h=From:To:Subject; b=b8g3NX1NdIjgOoXZ6fdu3FWRYHasMPjj4kAp0KYM1J8VKJEZsX6ko8EfHKKWHnUX7 MnIc2bu/xa6VmHq6xA0Zf8+a+iGbvqv5U/t8XKQFHJB6iKyeOUf5h7K1VRE/6elveH 8FBfY4IMwJyJTq7aSAjjG8mQ11riCrUG76Xkpgi/7pU0gnF2li40EySXzA87kdDHA3 7fESurPu/nv56qw6Z3WVKS65twNmBlCTR1y+X7tO02IP6h6EFD5r0GbHLWkGbek0Gt p/3yqSw/3XSjuGWszM9o/qJfx32+i/KjShVHdoSOLSG7F5SirGbUaxlCyYE7k+APbW UOtxrm8/tdVhw== 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 2/7] arm64: dts: freescale: imx8mm-verdin: Split UART_2 pinctrl group Date: Thu, 9 Apr 2026 11:58:48 +0200 Message-ID: <20260409095855.61252-3-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_025909_779391_E7B91A7E X-CRM114-Status: UNSURE ( 7.79 ) 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/imx8mm-verdin.dtsi | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi index 1594ce9182a5..5fc177f589cb 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi @@ -735,7 +735,7 @@ &uart2 { /* Verdin UART_2 */ &uart3 { pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_uart3>; + pinctrl-0 = <&pinctrl_uart3>, <&pinctrl_uart3_cts>, <&pinctrl_uart3_rts>; uart-has-rtscts; }; @@ -1144,12 +1144,20 @@ pinctrl_uart2: uart2grp { ; /* SODIMM 129 */ }; + pinctrl_uart3_cts: uart3ctsgrp { + fsl,pins = + ; /* SODIMM 143 */ + }; + + pinctrl_uart3_rts: uart3rtsgrp { + fsl,pins = + ; /* SODIMM 141 */ + }; + pinctrl_uart3: uart3grp { fsl,pins = - , /* SODIMM 141 */ , /* SODIMM 139 */ - , /* SODIMM 137 */ - ; /* SODIMM 143 */ + ; /* SODIMM 137 */ }; pinctrl_uart4: uart4grp { -- 2.47.3