boards: arm: v2m_beetle: add pinctrl support for v2m_beetle

Adds initial pinctrl support to arm v2m_beetle board target.

Signed-off-by: Samuel Chee <[email protected]>
Signed-off-by: Sudan Landge <[email protected]>

Author: spchee

boards/arm/v2m_beetle/CMakeLists.txt

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2025 Arm Limited and/or its affiliates <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/pinctrl/arm-v2m_beetle-pinctrl.h>
+
+&pinctrl {
+	/omit-if-no-ref/  uart0_default: uart0_default {
+		group1 {
+			pinmux = <UART0_TXD_EXP>;
+		};
+
+		group2 {
+			pinmux = <UART0_RXD_EXP>;
+			input-enable;
+		};
+	};
+
+	/omit-if-no-ref/ uart1_default: uart1_default {
+		group1 {
+			pinmux = <UART1_TXD_EXP>;
+		};
+
+		group2 {
+			pinmux = <UART1_RXD_EXP>;
+			input-enable;
+		};
+	};
+
+	/omit-if-no-ref/ spi0_default: spi0_default {
+		group1 {
+			pinmux = <SPI0_SS_EXP>, <SPI0_MOSI_EXP>, <SPI0_SCK_EXP>;
+		};
+		group2 {
+			pinmux = <SPI0_MISO_EXP>;
+			input-enable;
+		};
+	};
+
+	/omit-if-no-ref/ spi1_default: spi1_default {
+		group1 {
+			pinmux = <SPI1_SCK_EXP>, <SPI1_SS_EXP>, <SPI0_MOSI_EXP>;
+
+		};
+		group2 {
+			pinmux = <SPI1_MISO_EXP>;
+			input-enable;
+		};
+	};
+
+	/omit-if-no-ref/ sbcon0_default: sbcon0_default {
+		group1 {
+			pinmux = <SBCON0_SDA_EXP>, <SBCON0_SCL_EXP>;
+			input-enable;
+		};
+	};
+
+	/omit-if-no-ref/ sbcon1_default: sbcon1_default {
+		group1 {
+			pinmux = <SBCON1_SDA_EXP>, <SBCON1_SCL_EXP>;
+			input-enable;
+		};
+	};
+};

boards/arm/v2m_beetle/pinmux.c

@@ -74,6 +74,8 @@
 			interrupts = <0 3>;
 			clocks = <&sysclk &syscon>;
 			current-speed = <115200>;
+			pinctrl-0 = <&uart0_default>;
+			pinctrl-names = "default";
 		};
 
 		uart1: uart@40005000 {
@@ -82,6 +84,8 @@
 			interrupts = <2 3>;
 			clocks = <&sysclk &syscon>;
 			current-speed = <115200>;
+			pinctrl-0 = <&uart1_default>;
+			pinctrl-names = "default";
 		};
 
 		wdog0: wdog@40008000 {
@@ -131,9 +135,15 @@
 			reg = <0x4001f000 0x1000>;
 			#clock-cells = <0>;
 		};
+
+		pinctrl: pinctrl {
+			compatible = "arm,mps3-pinctrl";
+			status = "okay";
+		};
 	};
 };
 
 &nvic {
 	arm,num-irq-priority-bits = <3>;
 };
+#include "v2m_beetle-pinctrl.dtsi"