diff --git a/drivers/platform/maxim/max32670/maxim_spi.c b/drivers/platform/maxim/max32670/maxim_spi.c
index a49ca3d5056..654ce7bb5ff 100644
--- a/drivers/platform/maxim/max32670/maxim_spi.c
+++ b/drivers/platform/maxim/max32670/maxim_spi.c
@@ -57,6 +57,38 @@
 /************************ Functions Definitions *******************************/
 /******************************************************************************/
 
+/**
+ * @brief Configure the VDDIO level for a SPI interface
+ * @param desc - the SPI descriptor
+ * @return 0 in case of success, -EINVAL otherwise
+ */
+static int32_t _max_spi_config_pins(struct no_os_spi_desc *desc)
+{
+	struct max_spi_init_param *eparam;
+	mxc_gpio_cfg_t spi_pins;
+
+	eparam = desc->extra;
+
+	switch(desc->device_id) {
+	case 0:
+		spi_pins = gpio_cfg_spi0;
+		break;
+	case 1:
+		spi_pins = gpio_cfg_spi1;
+		break;
+	case 2:
+		spi_pins = gpio_cfg_spi2;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	spi_pins.vssel = eparam->vssel;
+	MXC_GPIO_Config(&spi_pins);
+
+	return 0;
+}
+
 static int _max_spi_config(struct no_os_spi_desc *desc)
 {
 	int32_t ret;
@@ -72,6 +104,10 @@ static int _max_spi_config(struct no_os_spi_desc *desc)
 		goto err_init;
 	}
 
+	ret = _max_spi_config_pins(desc);
+	if (ret)
+		return ret;
+
 	ret = MXC_SPI_SetMode(MXC_SPI_GET_SPI(desc->device_id),
 			      (mxc_spi_mode_t)desc->mode);
 	if (ret) {
diff --git a/drivers/platform/maxim/max32670/maxim_spi.h b/drivers/platform/maxim/max32670/maxim_spi.h
index 456512355c2..9558e5fcea8 100644
--- a/drivers/platform/maxim/max32670/maxim_spi.h
+++ b/drivers/platform/maxim/max32670/maxim_spi.h
@@ -62,6 +62,7 @@ enum spi_ss_polarity {
 struct max_spi_init_param {
 	uint32_t num_slaves;
 	enum spi_ss_polarity polarity;
+	mxc_gpio_vssel_t vssel;
 };
 
 #endif
diff --git a/drivers/platform/maxim/max32670/maxim_uart.c b/drivers/platform/maxim/max32670/maxim_uart.c
index b673dd9d33d..3b64355a81f 100644
--- a/drivers/platform/maxim/max32670/maxim_uart.c
+++ b/drivers/platform/maxim/max32670/maxim_uart.c
@@ -221,6 +221,39 @@ void uart_rx_callback(void *context)
 	max_uart_read_nonblocking(d, &c, 1);
 }
 
+/**
+ * @brief Configure the VDDIO for the UART pins.
+ * @param device_id - the interface number.
+ * @param vssel - the voltage level of the interface.
+ * @return 0 in case of success, -EINVAL otherwise.
+ */
+static int32_t _max_uart_pins_config(uint32_t device_id, mxc_gpio_vssel_t vssel)
+{
+	mxc_gpio_cfg_t uart_pins;
+
+	switch (device_id) {
+	case 0:
+		uart_pins = gpio_cfg_uart0;
+		break;
+	case 1:
+		uart_pins = gpio_cfg_uart1;
+		break;
+	case 2:
+		uart_pins = gpio_cfg_uart2;
+		break;
+	case 3:
+		uart_pins = gpio_cfg_uart3;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	uart_pins.vssel = vssel;
+	MXC_GPIO_Config(&uart_pins);
+
+	return 0;
+}
+
 /**
  * @brief Initialize the UART communication peripheral.
  * @param desc - The UART descriptor.
@@ -302,10 +335,10 @@ static int32_t max_uart_init(struct no_os_uart_desc **desc,
 	}
 
 	switch (eparam->flow) {
-	case MAX_UART_FLOW_DIS:
+	case UART_FLOW_DIS:
 		flow = MXC_UART_FLOW_DIS;
 		break;
-	case MAX_UART_FLOW_EN:
+	case UART_FLOW_EN:
 		flow = MXC_UART_FLOW_EN;
 		break;
 	default:
@@ -319,6 +352,10 @@ static int32_t max_uart_init(struct no_os_uart_desc **desc,
 		goto error;
 	}
 
+	ret = _max_uart_pins_config(descriptor->device_id, eparam->vssel);
+	if (ret)
+		goto error;
+
 	ret = MXC_UART_SetDataSize(uart_regs, size);
 	if (ret != E_NO_ERROR) {
 		ret = -EINVAL;
diff --git a/drivers/platform/maxim/max32670/maxim_uart.h b/drivers/platform/maxim/max32670/maxim_uart.h
index 935f0820a77..56c971d1778 100644
--- a/drivers/platform/maxim/max32670/maxim_uart.h
+++ b/drivers/platform/maxim/max32670/maxim_uart.h
@@ -49,8 +49,8 @@
  * @brief UART flow control
  */
 enum max_uart_flow_ctrl {
-	MAX_UART_FLOW_DIS,
-	MAX_UART_FLOW_EN
+	UART_FLOW_DIS,
+	UART_FLOW_EN
 };
 
 /**
@@ -58,6 +58,7 @@ enum max_uart_flow_ctrl {
  */
 struct max_uart_init_param {
 	enum max_uart_flow_ctrl flow;
+	mxc_gpio_vssel_t vssel;
 };
 
 /**