diff --git a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/TARGET_EVK/PeripheralNames.h b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/TARGET_EVK/PeripheralNames.h
index 93dce23ac9..ab35ab2f6d 100644
--- a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/TARGET_EVK/PeripheralNames.h
+++ b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/TARGET_EVK/PeripheralNames.h
@@ -131,6 +131,7 @@ typedef enum {
     SPI_1 = 1,
     SPI_2 = 2,
     SPI_3 = 3,
+    SPI_4 = 4,
 } SPIName;
 
 #ifdef __cplusplus
diff --git a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/TARGET_EVK/PeripheralPins.c b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/TARGET_EVK/PeripheralPins.c
index e155041366..c1b108c24c 100644
--- a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/TARGET_EVK/PeripheralPins.c
+++ b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/TARGET_EVK/PeripheralPins.c
@@ -63,24 +63,28 @@ const PinMap PinMap_UART_RX[] = {
 const PinMap PinMap_SPI_SCLK[] = {
     {GPIO_SD_B0_00, SPI_1, ((1U << DAISY_REG_VALUE_SHIFT) | (0x4F0 << DAISY_REG_SHIFT) | 4)},
     {GPIO_AD_B0_00, SPI_3, ((0U << DAISY_REG_VALUE_SHIFT) | (0x510 << DAISY_REG_SHIFT) | 7)},
+    {GPIO_B0_03,    SPI_4, ((0U << DAISY_REG_VALUE_SHIFT) | (0x520 << DAISY_REG_SHIFT) | 3)},
     {NC   , NC   , 0}
 };
 
 const PinMap PinMap_SPI_MOSI[] = {
     {GPIO_SD_B0_02, SPI_1, ((1U << DAISY_REG_VALUE_SHIFT) | (0x4F8 << DAISY_REG_SHIFT) | 4)},
     {GPIO_AD_B0_01, SPI_3, ((0U << DAISY_REG_VALUE_SHIFT) | (0x518 << DAISY_REG_SHIFT) | 7)},
+    {GPIO_B0_02,    SPI_4, ((0U << DAISY_REG_VALUE_SHIFT) | (0x528 << DAISY_REG_SHIFT) | 3)},
     {NC   , NC   , 0}
 };
 
 const PinMap PinMap_SPI_MISO[] = {
     {GPIO_SD_B0_03, SPI_1, ((1U << DAISY_REG_VALUE_SHIFT) | (0x4F4 << DAISY_REG_SHIFT) | 4)},
     {GPIO_AD_B0_02, SPI_3, ((0U << DAISY_REG_VALUE_SHIFT) | (0x514 << DAISY_REG_SHIFT) | 7)},
+    {GPIO_B0_01,    SPI_4, ((0U << DAISY_REG_VALUE_SHIFT) | (0x524 << DAISY_REG_SHIFT) | 3)},
     {NC   , NC   , 0}
 };
 
 const PinMap PinMap_SPI_SSEL[] = {
     {GPIO_SD_B0_01, SPI_1, ((0U << DAISY_REG_VALUE_SHIFT) | (0x4EC << DAISY_REG_SHIFT) | 4)},
     {GPIO_AD_B0_03, SPI_3, ((0U << DAISY_REG_VALUE_SHIFT) | (0x50C << DAISY_REG_SHIFT) | 7)},
+    {GPIO_B0_00,    SPI_4, ((0U << DAISY_REG_VALUE_SHIFT) | (0x51C << DAISY_REG_SHIFT) | 3)},
     {NC   , NC   , 0}
 };