From nobody Sun Apr 5 13:19:40 2026 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E0F093DC4D9; Tue, 24 Mar 2026 09:37:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.194.8.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774345036; cv=none; b=tyYuZb8eR6TWBklxnJUEyI/ROsXz7tw/6kwPtQjNHb7c2RVbUDeCDT9I/eyJZTRXtQNGriFeS4AwlsTFIsDu6iwgu0agtGYWTk7DdQeqMq9f9AZHmQvwZCCwfBCyVe4eeg65UEDQwoJuMAWbidAaHPIpzAp42P/hsOrfQr6hhuM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774345036; c=relaxed/simple; bh=QnwY138a8nQ7iWK+gvjDSfRMmJTSvm9dpepcjPOMV28=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VtpyFUSNGbGT/Mu5gDThOPFCmn9tcZD9kigx/uxyQk2O6/gtvMB56GC3dZVgY1w7wIL3px42CclVChUVEQtjXWNftKYV5AHvRR5ULkvY4LWIsLeFJpqaqR9NROPmvqiiN3yXzQUgF8tywRnHqlPsuTBcoF8aLr0TJ01idEF8WxU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it; spf=pass smtp.mailfrom=dolcini.it; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b=nf1A3cLb; arc=none smtp.client-ip=217.194.8.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dolcini.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b="nf1A3cLb" 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 D354B275C0; Tue, 24 Mar 2026 10:37:12 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1774345033; bh=ziNRxF6wJwQ72ndkJaxRGJmIPHBGp++CSki9vPy5xpk=; h=From:To:Subject; b=nf1A3cLb6AxucZ9/fzjIeOHLm7VwWO1mlI+4XwM3kFyDAcxRNN2lPdeXSJx05+I+M 2ag15jOg1ubvJssfUxPPJHwcQ78MAtpNr2zuCXQPKlNHTbspOjHcAfKK0IBZWEa2n1 dDfotOdpjYxxEuG+oK9CFNwVReuQD0ng9VN7pifdrK67ZmMLCKL40I7WYWERuG8q9C s6YrryMDheL6WU1s9b+3vbWpTjmb1cA9wPp40DlijpSdxa/1k9aNkfwx6fkBdQCJ4h ns1mmIF5FOFcWQ8ik/vUxhpeOlUVAqodozyGzXxTt4R0+RNe+jUocjEzgl9LV2UJak fdaxX9PLky2tA== 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 5/7] arm64: dts: ti: k3-am62p-verdin: Split UART_2 pinctrl group Date: Tue, 24 Mar 2026 10:37:00 +0100 Message-ID: <20260324093705.26730-6-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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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-am62p-verdin.dtsi | 22 +++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi b/arch/arm64/boot/= dts/ti/k3-am62p-verdin.dtsi index 34954df692a3..1c4c951e5e94 100644 --- a/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi @@ -767,15 +767,27 @@ AM62PX_MCU_IOPAD(0x0084, PIN_OUTPUT, 0) /* (F13) WKUP= _CLKOUT0 */ /* SODIMM 91 */ >; }; =20 - /* Verdin UART_2 */ + /* Verdin UART_2 RX/TX */ pinctrl_wkup_uart0: wkup-uart0-default-pins { pinctrl-single,pins =3D < - AM62PX_MCU_IOPAD(0x002c, PIN_INPUT, 0) /* (C7) WKUP_UART0_CTSn */ /* S= ODIMM 143 */ - AM62PX_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (C6) WKUP_UART0_RTSn */ /* S= ODIMM 141 */ AM62PX_MCU_IOPAD(0x0024, PIN_INPUT, 0) /* (D8) WKUP_UART0_RXD */ /* S= ODIMM 137 */ AM62PX_MCU_IOPAD(0x0028, PIN_OUTPUT, 0) /* (D7) WKUP_UART0_TXD */ /* S= ODIMM 139 */ >; }; + + /* Verdin UART_2 CTS */ + pinctrl_wkup_uart0_cts: wkup-uart0-cts-default-pins { + pinctrl-single,pins =3D < + AM62PX_MCU_IOPAD(0x002c, PIN_INPUT, 0) /* (C7) WKUP_UART0_CTSn */ /* S= ODIMM 143 */ + >; + }; + + /* Verdin UART_2 RTS */ + pinctrl_wkup_uart0_rts: wkup-uart0-rts-default-pins { + pinctrl-single,pins =3D < + AM62PX_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (C6) WKUP_UART0_RTSn */ /* S= ODIMM 141 */ + >; + }; }; =20 /* Verdin I2S_1_MCLK */ @@ -1410,7 +1422,9 @@ som_eeprom: eeprom@50 { /* Verdin UART_2 */ &wkup_uart0 { pinctrl-names =3D "default"; - pinctrl-0 =3D <&pinctrl_wkup_uart0>; + pinctrl-0 =3D <&pinctrl_wkup_uart0>, + <&pinctrl_wkup_uart0_cts>, + <&pinctrl_wkup_uart0_rts>; uart-has-rtscts; status =3D "disabled"; }; --=20 2.47.3