diff --git a/src/stm32/stm32h7_spi.c b/src/stm32/stm32h7_spi.c
index ec69f851ade9..7e46ab272d52 100644
--- a/src/stm32/stm32h7_spi.c
+++ b/src/stm32/stm32h7_spi.c
@@ -53,6 +53,8 @@ DECL_CONSTANT_STR("BUS_PINS_spi5a", "PH7,PF11,PH6");
 #ifdef SPI6
 DECL_ENUMERATION("spi_bus", "spi6", __COUNTER__);
 DECL_CONSTANT_STR("BUS_PINS_spi6", "PG12,PG14,PG13");
+DECL_ENUMERATION("spi_bus", "spi6a", __COUNTER__);
+DECL_CONSTANT_STR("BUS_PINS_spi6a", "PB3,PB4,PB5");
 #endif
 
 
@@ -76,6 +78,7 @@ static const struct spi_info spi_bus[] = {
 #endif
 #ifdef SPI6
     { SPI6, GPIO('G', 12), GPIO('G', 14), GPIO('G', 13), GPIO_FUNCTION(5)},
+    { SPI6, GPIO('B', 3), GPIO('B', 4), GPIO('B', 5), GPIO_FUNCTION(8)},
 #endif
 };