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Tue, 18 Nov 2025 17:20:18 +0100 Received: from localhost (10.48.86.11) by STKDAG1NODE2.st.com (10.75.128.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.17; Tue, 18 Nov 2025 17:19:53 +0100 From: Antonio Borneo To: Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , , , , , CC: Antonio Borneo , =?UTF-8?q?Cl=C3=A9ment=20Le=20Goffic?= , "Amelie Delaunay" , Pascal Paillet Subject: [PATCH v2 14/15] arm64: dts: st: add pinctrl to usart2 on stm32mp215f-dk board Date: Tue, 18 Nov 2025 17:19:35 +0100 Message-ID: <20251118161936.1085477-15-antonio.borneo@foss.st.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251118161936.1085477-1-antonio.borneo@foss.st.com> References: <20251118161936.1085477-1-antonio.borneo@foss.st.com> 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 X-ClientProxiedBy: SAFCAS1NODE2.st.com (10.75.90.13) To STKDAG1NODE2.st.com (10.75.128.133) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AMS1EPF00000045:EE_|VI1PR10MB3535:EE_ X-MS-Office365-Filtering-Correlation-Id: 2fa06a05-e748-4925-8bed-08de26c4a3e4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|7416014|376014|1800799024|36860700013|921020; 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charset="utf-8" From: Amelie Delaunay Add the pinctrl properties to the existing node usart2 on the board stm32mp215f-dk. While there, add also the boot phase tags to usart2 node. Signed-off-by: Amelie Delaunay Signed-off-by: Antonio Borneo --- arch/arm64/boot/dts/st/stm32mp21-pinctrl.dtsi | 32 +++++++++++++++++++ arch/arm64/boot/dts/st/stm32mp215f-dk.dts | 17 ++++++++++ 2 files changed, 49 insertions(+) diff --git a/arch/arm64/boot/dts/st/stm32mp21-pinctrl.dtsi b/arch/arm64/boo= t/dts/st/stm32mp21-pinctrl.dtsi index 7e9b74f3d9d96..01d64a1f0760f 100644 --- a/arch/arm64/boot/dts/st/stm32mp21-pinctrl.dtsi +++ b/arch/arm64/boot/dts/st/stm32mp21-pinctrl.dtsi @@ -4,3 +4,35 @@ * Author: Amelie Delaunay for STMicroelectr= onics. */ #include + +&pinctrl { + usart2_pins_a: usart2-0 { + pins1 { + pinmux =3D ; /* USART2_TX */ + bias-disable; + drive-push-pull; + slew-rate =3D <0>; + }; + pins2 { + pinmux =3D ; /* USART2_RX */ + bias-disable; + }; + }; + + usart2_idle_pins_a: usart2-idle-0 { + pins1 { + pinmux =3D ; /* USART2_TX */ + }; + pins2 { + pinmux =3D ; /* USART2_RX */ + bias-disable; + }; + }; + + usart2_sleep_pins_a: usart2-sleep-0 { + pins { + pinmux =3D , /* USART2_TX */ + ; /* USART2_RX */ + }; + }; +}; diff --git a/arch/arm64/boot/dts/st/stm32mp215f-dk.dts b/arch/arm64/boot/dt= s/st/stm32mp215f-dk.dts index 7bdaeaa5ab0fb..8571dcf427fc4 100644 --- a/arch/arm64/boot/dts/st/stm32mp215f-dk.dts +++ b/arch/arm64/boot/dts/st/stm32mp215f-dk.dts @@ -8,6 +8,8 @@ =20 #include "stm32mp215.dtsi" #include "stm32mp21xf.dtsi" +#include "stm32mp21-pinctrl.dtsi" +#include "stm32mp21xxan-pinctrl.dtsi" =20 / { model =3D "STMicroelectronics STM32MP215F-DK Discovery Board"; @@ -45,5 +47,20 @@ &arm_wdt { }; =20 &usart2 { + bootph-all; + pinctrl-names =3D "default", "idle", "sleep"; + pinctrl-0 =3D <&usart2_pins_a>; + pinctrl-1 =3D <&usart2_idle_pins_a>; + pinctrl-2 =3D <&usart2_sleep_pins_a>; status =3D "okay"; }; + +&usart2_pins_a { + bootph-all; + pins1 { + bootph-all; + }; + pins2 { + bootph-all; + }; +}; --=20 2.34.1