diff --git a/drivers/pinmux/Makefile b/drivers/pinmux/Makefile
index 1497766725b..523c565dc89 100644
--- a/drivers/pinmux/Makefile
+++ b/drivers/pinmux/Makefile
@@ -5,6 +5,7 @@ obj-$(CONFIG_PINMUX_MCUX) += pinmux_mcux.o
 obj-$(CONFIG_PINMUX_STM32) += stm32/pinmux_stm32.o
 obj-$(CONFIG_PINMUX_BEETLE) += beetle/pinmux_board_v2m_beetle.o
 obj-$(CONFIG_BOARD_NUCLEO_F103RB) += stm32/pinmux_board_nucleo_f103rb.o
+obj-$(CONFIG_BOARD_STM3210C_EVAL) += stm32/pinmux_board_stm3210c_eval.o
 obj-$(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
diff --git a/drivers/pinmux/stm32/pinmux_board_stm3210c_eval.c b/drivers/pinmux/stm32/pinmux_board_stm3210c_eval.c
new file mode 100644
index 00000000000..ccf2688afdf
--- /dev/null
+++ b/drivers/pinmux/stm32/pinmux_board_stm3210c_eval.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2017 RnDity Sp. z o.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <nanokernel.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 STM3210C-EVAL board */
+static const struct pin_config pinconf[] = {
+#ifdef CONFIG_UART_STM32_PORT_2
+	{STM32_PIN_PD5, STM32F1_PINMUX_FUNC_PD5_USART2_TX},
+	{STM32_PIN_PD6, STM32F1_PINMUX_FUNC_PD6_USART2_RX},
+#endif	/* CONFIG_UART_STM32_PORT_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);
diff --git a/drivers/pinmux/stm32/pinmux_stm32f1.h b/drivers/pinmux/stm32/pinmux_stm32f1.h
index 664e3df51ad..8d3ddad458a 100644
--- a/drivers/pinmux/stm32/pinmux_stm32f1.h
+++ b/drivers/pinmux/stm32/pinmux_stm32f1.h
@@ -17,6 +17,9 @@
 #define STM32F1_PINMUX_FUNC_PA2_USART2_TX STM32_PINMUX_FUNC_ALT_1
 #define STM32F1_PINMUX_FUNC_PA3_USART2_RX STM32_PINMUX_FUNC_ALT_1
 
+#define STM32F1_PINMUX_FUNC_PD5_USART2_TX STM32_PINMUX_FUNC_ALT_2
+#define STM32F1_PINMUX_FUNC_PD6_USART2_RX STM32_PINMUX_FUNC_ALT_2
+
 #define STM32F1_PINMUX_FUNC_PB10_USART3_TX STM32_PINMUX_FUNC_ALT_1
 #define STM32F1_PINMUX_FUNC_PB11_USART3_RX STM32_PINMUX_FUNC_ALT_1