diff --git a/drivers/pinmux/stm32/pinmux_stm32f4.h b/drivers/pinmux/stm32/pinmux_stm32f4.h
index b58b6d6179e..a1f1525a418 100644
--- a/drivers/pinmux/stm32/pinmux_stm32f4.h
+++ b/drivers/pinmux/stm32/pinmux_stm32f4.h
@@ -129,6 +129,8 @@
 #define STM32F4_PINMUX_FUNC_PA12_OTG_FS_DP  \
 	(STM32_PINMUX_ALT_FUNC_10 | STM32_PUSHPULL_NOPULL)
 
+#define STM32F4_PINMUX_FUNC_PA15_SPI1_NSS   \
+	(STM32_PINMUX_ALT_FUNC_5 | STM32_PUSHPULL_PULLUP)
 #define STM32F4_PINMUX_FUNC_PA15_USART1_TX  \
 	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
 #define STM32F4_PINMUX_FUNC_PA15_UART7_TX   \