diff --git a/boards/arm/cxd56xx/spresense/Kconfig b/boards/arm/cxd56xx/spresense/Kconfig
index ff2960348e..dbb7c793e7 100644
--- a/boards/arm/cxd56xx/spresense/Kconfig
+++ b/boards/arm/cxd56xx/spresense/Kconfig
@@ -497,6 +497,12 @@ choice
 	prompt "LCD SPI connection"
 	default LCD_ON_EXTENSION_BOARD
 
+config LCD_ON_LTE_EXTENSION_BOARD
+	bool "LTE extension board: SPI3"
+	select CXD56_SPI3
+	---help---
+		Display connected to LTE extension board.
+
 config LCD_ON_EXTENSION_BOARD
 	bool "Extension board: SPI4"
 	select CXD56_SPI4
@@ -609,7 +615,7 @@ endchoice
 
 endif
 
-if LCD_ON_EXTENSION_BOARD
+if LCD_ON_EXTENSION_BOARD || LCD_ON_LTE_EXTENSION_BOARD
 
 choice
 	prompt "LCD ILI934x RST Pin selection"
diff --git a/boards/arm/cxd56xx/spresense/include/board.h b/boards/arm/cxd56xx/spresense/include/board.h
index e19782e6fe..72e4e7e4bb 100644
--- a/boards/arm/cxd56xx/spresense/include/board.h
+++ b/boards/arm/cxd56xx/spresense/include/board.h
@@ -239,6 +239,21 @@ enum board_power_device
 #define DISPLAY_DMA_TX_MAXSIZE (192000)
 #define DISPLAY_DMA_RX_MAXSIZE (192000)
 
+#elif defined(CONFIG_LCD_ON_LTE_EXTENSION_BOARD)
+
+/* Display connected to LTE extension board. */
+
+#define DISPLAY_SPI     3
+
+/* Specify invalid channels because DMA cannot be used */
+
+#define DISPLAY_DMA_TXCH       (-1)
+#define DISPLAY_DMA_RXCH       (-1)
+#define DISPLAY_DMA_TXCH_CFG   (-1)
+#define DISPLAY_DMA_RXCH_CFG   (-1)
+#define DISPLAY_DMA_TX_MAXSIZE (192000)
+#define DISPLAY_DMA_RX_MAXSIZE (192000)
+
 #else /* Display is connected through extension board. */
 
 #define DISPLAY_SPI     4