diff --git a/arch/arm/src/stm32h7/stm32_sdmmc.c b/arch/arm/src/stm32h7/stm32_sdmmc.c
index 0e713eadb0795..f1419f258c87c 100644
--- a/arch/arm/src/stm32h7/stm32_sdmmc.c
+++ b/arch/arm/src/stm32h7/stm32_sdmmc.c
@@ -210,6 +210,10 @@
                                      STM32_SDMMC_CLKCR_EDGE       |     \
                                      STM32_SDMMC_CLKCR_PWRSAV     |     \
                                      STM32_SDMMC_CLKCR_WIDBUS_D1)
+#define STM32_SDMMC_CLKCR_MMCXFR4   (STM32_SDMMC_MMCXFR_CLKDIV    |     \
+                                     STM32_SDMMC_CLKCR_EDGE       |     \
+                                     STM32_SDMMC_CLKCR_PWRSAV     |     \
+                                     STM32_SDMMC_CLKCR_WIDBUS_D4)
 #define STM32_SDMMC_CLCKR_SDXFR     (STM32_SDMMC_SDXFR_CLKDIV     |     \
                                      STM32_SDMMC_CLKCR_EDGE       |     \
                                      STM32_SDMMC_CLKCR_PWRSAV     |     \
@@ -2045,7 +2049,24 @@ static sdio_statset_t stm32_status(struct sdio_dev_s *dev)
 static void stm32_widebus(struct sdio_dev_s *dev, bool wide)
 {
   struct stm32_dev_s *priv = (struct stm32_dev_s *)dev;
+  uint32_t regval;
+
   priv->widebus = wide;
+
+  regval  = sdmmc_getreg32(priv, STM32_SDMMC_CLKCR_OFFSET);
+  regval &= ~STM32_SDMMC_CLKCR_WIDBUS_MASK;
+
+  if (wide)
+    {
+      regval |= STM32_SDMMC_CLKCR_WIDBUS_D4;
+      regval &= ~STM32_SDMMC_CLKCR_PWRSAV;
+    }
+  else
+    {
+      regval |= STM32_SDMMC_CLKCR_WIDBUS_D1;
+    }
+
+  sdmmc_putreg32(priv, regval, STM32_SDMMC_CLKCR_OFFSET);
 }
 
 /****************************************************************************
@@ -2089,6 +2110,12 @@ static void stm32_clock(struct sdio_dev_s *dev, enum sdio_clock_e rate)
       clckr = STM32_SDMMC_CLKCR_MMCXFR;
       break;
 
+    /* Enable in MMC wide (4-bit) operation clocking */
+
+    case CLOCK_MMC_TRANSFER_4BIT:
+      clckr = STM32_SDMMC_CLKCR_MMCXFR4;
+      break;
+
     /* SD normal operation clocking (wide 4-bit mode) */
 
     case CLOCK_SD_TRANSFER_4BIT:
diff --git a/include/nuttx/sdio.h b/include/nuttx/sdio.h
index 48b5ff66e5276..2a8904f2f75f1 100644
--- a/include/nuttx/sdio.h
+++ b/include/nuttx/sdio.h
@@ -942,9 +942,10 @@ enum sdio_clock_e
 {
   CLOCK_SDIO_DISABLED = 0, /* Clock is disabled */
   CLOCK_IDMODE,            /* Initial ID mode clocking (<400KHz) */
-  CLOCK_MMC_TRANSFER,      /* MMC normal operation clocking */
+  CLOCK_MMC_TRANSFER,      /* MMC normal operation clocking (narrow 1-bit mode) */
   CLOCK_SD_TRANSFER_1BIT,  /* SD normal operation clocking (narrow 1-bit mode) */
-  CLOCK_SD_TRANSFER_4BIT   /* SD normal operation clocking (wide 4-bit mode) */
+  CLOCK_SD_TRANSFER_4BIT,  /* SD normal operation clocking (wide 4-bit mode) */
+  CLOCK_MMC_TRANSFER_4BIT  /* MMC normal operation clocking (wide 4-bit mode) */
 };
 
 /* Event set.  A uint8_t is big enough to hold a set of 8-events.  If more