linux-kernel - [PATCH 2/3] arm64: dts: st: add usart6 pinctrl used on stm32mp257f-ev1 board

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Date: Mon, 20 May 2024 16:00:23 +0200
From: Valentin Caron <valentin.caron@...s.st.com>
To: Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>
CC: <devicetree@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        Valentin Caron <valentin.caron@...s.st.com>
Subject: [PATCH 2/3] arm64: dts: st: add usart6 pinctrl used on stm32mp257f-ev1 board

Add pins for USART6 on GPIO connector on stm32mp257f-ev1 board.

Signed-off-by: Valentin Caron <valentin.caron@...s.st.com>
---
 arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
index 7a82896dcbf60..4e677e64c406f 100644
--- a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
@@ -128,6 +128,47 @@ pins {
 				 <STM32_PINMUX('A', 8, ANALOG)>; /* USART2_RX */
 		};
 	};
+
+	usart6_pins_a: usart6-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('F', 13, AF3)>, /* USART6_TX */
+				 <STM32_PINMUX('G', 5, AF3)>;  /* USART6_RTS */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('F', 14, AF3)>, /* USART6_RX */
+				 <STM32_PINMUX('F', 15, AF3)>; /* USART6_CTS_NSS */
+			bias-pull-up;
+		};
+	};
+
+	usart6_idle_pins_a: usart6-idle-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('F', 13, ANALOG)>, /* USART6_TX */
+				 <STM32_PINMUX('F', 15, ANALOG)>; /* USART6_CTS_NSS */
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('G', 5, AF3)>; /* USART6_RTS */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins3 {
+			pinmux = <STM32_PINMUX('F', 14, AF3)>; /* USART6_RX */
+			bias-pull-up;
+		};
+	};
+
+	usart6_sleep_pins_a: usart6-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('F', 13, ANALOG)>, /* USART6_TX */
+				 <STM32_PINMUX('G', 5, ANALOG)>,  /* USART6_RTS */
+				 <STM32_PINMUX('F', 15, ANALOG)>, /* USART6_CTS_NSS */
+				 <STM32_PINMUX('F', 14, ANALOG)>; /* USART6_RX */
+		};
+	};
 };
 
 &pinctrl_z {
-- 
2.25.1