diff --git a/stm32-data-gen/src/chips.rs b/stm32-data-gen/src/chips.rs
index c38c86e..5ddd3c2 100644
--- a/stm32-data-gen/src/chips.rs
+++ b/stm32-data-gen/src/chips.rs
@@ -320,6 +320,7 @@ impl PeriMatcher {
             ("STM32G4.*:CRS:.*", ("crs", "v1", "CRS")),
             ("STM32U5.*:CRS:.*", ("crs", "v1", "CRS")),
             (".*SDMMC:sdmmc2_v1_0", ("sdmmc", "v2", "SDMMC")),
+            (".*SDMMC:sdmmc2_v2_1", ("sdmmc", "v2", "SDMMC")),
             ("STM32C0.*:PWR:.*", ("pwr", "c0", "PWR")),
             ("STM32G0.*:PWR:.*", ("pwr", "g0", "PWR")),
             ("STM32G4.*:PWR:.*", ("pwr", "g4", "PWR")),