pinmux: stm32: Add support for Nucleo L432KC

Add pinmux configuration for the Nucleo L432KC board

Signed-off-by: Neil Armstrong <[email protected]>

Author: superna9999

drivers/pinmux/Makefile

@@ -14,6 +14,7 @@ obj-$(CONFIG_BOARD_NUCLEO_F401RE) += stm32/pinmux_board_nucleo_f401re.o
 obj-$(CONFIG_BOARD_NUCLEO_F411RE) += stm32/pinmux_board_nucleo_f411re.o
 obj-$(CONFIG_BOARD_96B_CARBON) += stm32/pinmux_board_carbon.o
 obj-$(CONFIG_BOARD_NUCLEO_L476RG) += stm32/pinmux_board_nucleo_l476rg.o
+obj-$(CONFIG_BOARD_NUCLEO_L432KC) += stm32/pinmux_board_nucleo_l432kc.o
 obj-$(CONFIG_BOARD_DISCO_L475_IOT1) += stm32/pinmux_board_disco_l475_iot1.o
 obj-$(CONFIG_BOARD_OLIMEXINO_STM32) += stm32/pinmux_board_olimexino_stm32.o
 obj-$(CONFIG_BOARD_STM32_MINI_A15) += stm32/pinmux_board_stm32_mini_a15.o

drivers/pinmux/stm32/pinmux_board_nucleo_l432kc.c

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2016 Open-RnD Sp. z o.o.
+ * Copyright (c) 2016 BayLibre, SAS
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <kernel.h>
+#include <device.h>
+#include <init.h>
+#include <pinmux.h>
+#include <sys_io.h>
+#include "pinmux/pinmux.h"
+
+#include "pinmux_stm32.h"
+
+/* pin assignments for NUCLEO-L432KC board */
+static const struct pin_config pinconf[] = {
+#ifdef CONFIG_UART_STM32_PORT_1
+	{STM32_PIN_PA9,  STM32L4X_PINMUX_FUNC_PA9_USART1_TX},
+	{STM32_PIN_PA10, STM32L4X_PINMUX_FUNC_PA10_USART1_RX},
+#endif	/* CONFIG_UART_STM32_PORT_1 */
+#ifdef CONFIG_UART_STM32_PORT_2
+	{STM32_PIN_PA2, STM32L4X_PINMUX_FUNC_PA2_USART2_TX},
+	{STM32_PIN_PA3, STM32L4X_PINMUX_FUNC_PA3_USART2_RX},
+#endif	/* CONFIG_UART_STM32_PORT_2 */
+#ifdef CONFIG_I2C_1
+	{STM32_PIN_PB6, STM32L4X_PINMUX_FUNC_PB6_I2C1_SCL},
+	{STM32_PIN_PB7, STM32L4X_PINMUX_FUNC_PB7_I2C1_SDA},
+#endif /* CONFIG_I2C_1 */
+#ifdef CONFIG_PWM_STM32_2
+	{STM32_PIN_PA0, STM32L4X_PINMUX_FUNC_PA0_PWM2_CH1},
+#endif /* CONFIG_PWM_STM32_2 */
+};
+
+static int pinmux_stm32_init(struct device *port)
+{
+	ARG_UNUSED(port);
+
+	stm32_setup_pins(pinconf, ARRAY_SIZE(pinconf));
+
+	return 0;
+}
+
+SYS_INIT(pinmux_stm32_init, PRE_KERNEL_1,
+	 CONFIG_PINMUX_STM32_DEVICE_INITIALIZATION_PRIORITY);