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 CB9A7E9A74D for ; Tue, 24 Mar 2026 09:37:37 +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=gb+3Jow3GAqKqQOMGmcxIHKlMXCv3k5PivcGruWwYOM=; b=GjiyO7U6OSFWFJJpjedX++Rzub ly5NijnND5WqBbBwLljEzihSu4UmS9sLNGXV/Ooj0FSTX9tlRibuYjNAb0pP8KLhRLAsxIqPlqcPB JtZQgl612+avqBkYU4C7UsUAPEORdarvFbLw+kK/z4VSouECJ6jE5S55B9QKapreBoQIecVafz785 TqDsKJJKYRLTWF0bqP3yrMQipLBL9EmG9AJvlmWTtszwFyqONKul4GWRopyWTdxz9TCz8tiOxra/j xB8iKb8REfLMAFN1WqIkk1owWdKq1vffheLQTMeOInpZVJCThly+ZlhxFZJ1mGuhJ7wK56XttH6/Z C2XwsuKw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w4yCZ-000000016a6-1whQ; Tue, 24 Mar 2026 09:37:31 +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 1w4yCL-000000016U1-2RhY for linux-arm-kernel@lists.infradead.org; Tue, 24 Mar 2026 09:37:19 +0000 Received: from francesco-nb.corp.toradex.com (248.201.173.83.static.wline.lns.sme.cust.swisscom.ch [83.173.201.248]) by mail11.truemail.it (Postfix) with ESMTPA id ACDEF275B5; Tue, 24 Mar 2026 10:37:11 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1774345032; bh=gb+3Jow3GAqKqQOMGmcxIHKlMXCv3k5PivcGruWwYOM=; h=From:To:Subject; b=t2sF9pRDTyosbkfc2DGZcGDlewRrW3K1bj1bxDPSzyCie+OrxJ5Pif1+TTLp7w48+ 4qdMEWHagP+h/VcB4BptIDyRU0I/sEd3N6nl5vyoreT9NXRPeSwJJg3KhzJmMOfYpF Avkhr3RR5IZ9esgvaqgZHSkfoEJ740q5qChzaV+tvEYlofLLRt2YgFYNXISnsq+zkh eLmE1t0Gy/uILVaHkIfKMF6bZDS0/NSbyl0jGGksS96ok7OLMwJDOWyLtO9lYKYBVm iIZUPeHk9r+Qga0HEPFPC517OkqAqxVftqmUIPubCpht6XzMB6DdmA48u1WBmxXefB x4XLlN/9RM+ZA== From: Francesco Dolcini To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Francesco Dolcini , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 3/7] arm64: dts: ti: k3-am62-verdin: Split UART_2 pinctrl group Date: Tue, 24 Mar 2026 10:36:58 +0100 Message-ID: <20260324093705.26730-4-francesco@dolcini.it> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260324093705.26730-1-francesco@dolcini.it> References: <20260324093705.26730-1-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-20260324_023717_782704_A64F0A67 X-CRM114-Status: UNSURE ( 9.82 ) 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 RTC/CTS in separated nodes to maximize flexibility. Signed-off-by: Francesco Dolcini --- arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi index 219b729d3caa..735c43c67fc7 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi @@ -820,15 +820,27 @@ AM62X_MCU_IOPAD(0x0084, PIN_OUTPUT, 0) /* (A12) WKUP_CLKOUT0 */ /* SODIMM 91 */ >; }; - /* Verdin UART_2 */ + /* Verdin UART_2 RX/TX */ pinctrl_wkup_uart0: wkup-uart0-default-pins { pinctrl-single,pins = < - AM62X_MCU_IOPAD(0x002c, PIN_INPUT_PULLUP, 0) /* (C6) WKUP_UART0_CTSn */ /* SODIMM 143 */ - AM62X_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (A4) WKUP_UART0_RTSn */ /* SODIMM 141 */ AM62X_MCU_IOPAD(0x0024, PIN_INPUT_PULLUP, 0) /* (B4) WKUP_UART0_RXD */ /* SODIMM 137 */ AM62X_MCU_IOPAD(0x0028, PIN_OUTPUT, 0) /* (C5) WKUP_UART0_TXD */ /* SODIMM 139 */ >; }; + + /* Verdin UART_2 CTS */ + pinctrl_wkup_uart0_cts: wkup-uart0-cts-default-pins { + pinctrl-single,pins = < + AM62X_MCU_IOPAD(0x002c, PIN_INPUT_PULLUP, 0) /* (C6) WKUP_UART0_CTSn */ /* SODIMM 143 */ + >; + }; + + /* Verdin UART_2 RTS */ + pinctrl_wkup_uart0_rts: wkup-uart0-rts-default-pins { + pinctrl-single,pins = < + AM62X_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (A4) WKUP_UART0_RTSn */ /* SODIMM 141 */ + >; + }; }; /* VERDIN I2S_1_MCLK */ @@ -1502,7 +1514,7 @@ &usb1 { /* Verdin UART_2 */ &wkup_uart0 { pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_wkup_uart0>; + pinctrl-0 = <&pinctrl_wkup_uart0>, <&pinctrl_wkup_uart0_cts>, <&pinctrl_wkup_uart0_rts>; status = "disabled"; }; -- 2.47.3