From nobody Fri Apr 3 16:02:20 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 A6EA63DCDB5; Tue, 24 Mar 2026 09:37:13 +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=1774345035; cv=none; b=qfi/m7JomSI2/qKVOXzahReQ1tWMWJ+/i2FXljt6i0U8QRkwKTYI58WxUnqQdqVLZS5PqTKYYM6SNET/zkf7klekNlmoQN7/egSSyrtFU/E+oKIzsNoernLrm1rdm8xrkePHD7BN18Vp4ozp+CEDhOr/00Nc2OEhJ91P1mkOS1o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774345035; c=relaxed/simple; bh=6lFlg1kLwQBHA8HJQe9NdSXTP189MfKUt8Mn53GZmqo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ApI9ZP9LCiO5lRlSn4DIrdrD6Lmwak0FUTxrkTadBqjAS0cuM3yEXuE3Mg6NY+acJnPSvnmAMoikUCPK+Jahf9/r9TdjtbL66DQrWU56onazcgQqMM5F4AwXj1vqQsfzOhuB0Q46ZtDtwn5QUNDpIoYRBcZ7h5KO+ph0uPaT2+E= 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=t2sF9pRD; 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="t2sF9pRD" 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> 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-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/d= ts/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 */ >; }; =20 - /* Verdin UART_2 */ + /* Verdin UART_2 RX/TX */ pinctrl_wkup_uart0: wkup-uart0-default-pins { pinctrl-single,pins =3D < - 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 =3D < + 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 =3D < + AM62X_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (A4) WKUP_UART0_RTSn */= /* SODIMM 141 */ + >; + }; }; =20 /* VERDIN I2S_1_MCLK */ @@ -1502,7 +1514,7 @@ &usb1 { /* 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>; status =3D "disabled"; }; =20 --=20 2.47.3