diff --git a/boards/arm/mec1501modular_assy6885/mec1501modular_assy6885_defconfig b/boards/arm/mec1501modular_assy6885/mec1501modular_assy6885_defconfig
index 1159ed66392..e90552a8f2b 100644
--- a/boards/arm/mec1501modular_assy6885/mec1501modular_assy6885_defconfig
+++ b/boards/arm/mec1501modular_assy6885/mec1501modular_assy6885_defconfig
@@ -7,6 +7,7 @@
 CONFIG_ARM=y
 CONFIG_SOC_MEC1501_HSZ=y
 CONFIG_SOC_SERIES_MEC1501X=y
+CONFIG_SOC_MEC1501_VTR3_1_8V=y
 CONFIG_BOARD_MEC1501MODULAR_ASSY6885=y
 CONFIG_RTOS_TIMER=n
 
diff --git a/boards/arm/mec1501modular_assy6885/pinmux.c b/boards/arm/mec1501modular_assy6885/pinmux.c
index 576b4e9e646..f8dfc4629b5 100644
--- a/boards/arm/mec1501modular_assy6885/pinmux.c
+++ b/boards/arm/mec1501modular_assy6885/pinmux.c
@@ -40,6 +40,13 @@ static int board_pinmux_init(struct device *dev)
 		device_get_binding(CONFIG_PINMUX_XEC_GPIO240_276_NAME);
 #endif
 
+	/* Configure GPIO bank before usage
+	 * VTR1 is not configurable
+	 * VTR2 doesn't need configuration if setting VTR2_STRAP
+	 */
+#ifdef CONFIG_SOC_MEC1501_VTR3_1_8V
+	ECS_REGS->GPIO_BANK_PWR |= MCHP_ECS_VTR3_LVL_18;
+#endif
 	/* Release JTAG TDI and JTAG TDO pins so they can be
 	 * controlled by their respective PCR register (UART2).
 	 * For more details see table 44-1
diff --git a/boards/arm/mec15xxevb_assy6853/pinmux.c b/boards/arm/mec15xxevb_assy6853/pinmux.c
index 0ddd4679249..2fee09288f3 100644
--- a/boards/arm/mec15xxevb_assy6853/pinmux.c
+++ b/boards/arm/mec15xxevb_assy6853/pinmux.c
@@ -40,6 +40,13 @@ static int board_pinmux_init(struct device *dev)
 		device_get_binding(CONFIG_PINMUX_XEC_GPIO240_276_NAME);
 #endif
 
+	/* Configure GPIO bank before usage
+	 * VTR1 is not configurable
+	 * VTR2 doesn't need configuration if setting VTR2_STRAP
+	 */
+#ifdef CONFIG_SOC_MEC1501_VTR3_1_8V
+	ECS_REGS->GPIO_BANK_PWR |= MCHP_ECS_VTR3_LVL_18;
+#endif
 	/* Release JTAG TDI and JTAG TDO pins so they can be
 	 * controlled by their respective PCR register (UART2).
 	 * For more details see table 44-1
diff --git a/soc/arm/microchip_mec/mec1501/Kconfig.soc b/soc/arm/microchip_mec/mec1501/Kconfig.soc
index a04ddfe223a..55d0259fe30 100644
--- a/soc/arm/microchip_mec/mec1501/Kconfig.soc
+++ b/soc/arm/microchip_mec/mec1501/Kconfig.soc
@@ -66,3 +66,8 @@ config SOC_MEC1501_EXT_32K_PARALLEL_CRYSTAL
 
 	  Say n if the crystal is connected single ended to
 	  the XTAL2 pin or a 32KHz square wave is on XTAL2.
+
+config SOC_MEC1501_VTR3_1_8V
+	bool "VTR3 power rail is tied to 1.8V"
+	help
+	  Set this is if VTR3 power sourcejumper in the board is changed.