diff --git a/arch/arm/src/stm32l4/stm32l4_adc.c b/arch/arm/src/stm32l4/stm32l4_adc.c
index eb165c5dc6..d438eb241e 100644
--- a/arch/arm/src/stm32l4/stm32l4_adc.c
+++ b/arch/arm/src/stm32l4/stm32l4_adc.c
@@ -328,7 +328,11 @@ static int      adc_llops_offset_set(struct stm32_adc_dev_s *dev,
                                      uint8_t ch, uint8_t i, uint16_t offset);
 #  ifdef ADC_HAVE_DMA
 static int      adc_regbufregister(struct stm32_adc_dev_s *dev,
-                                   uint16_t *buffer, uint8_t len);
+                                   uint16_t *buffer, uint16_t len);
+static void     adc_llops_dma_start(struct stm32_adc_dev_s *adc,
+                                   dma_callback_t callback,
+                                   uint16_t *buffer, uint16_t len);
+static void     adc_llops_dma_stop(struct stm32_adc_dev_s *adc);
 #  endif
 #  ifdef ADC_HAVE_EXTCFG
 static int      adc_llops_extsel_set(struct stm32_adc_dev_s *dev,
@@ -397,9 +401,6 @@ static const struct stm32_adc_ops_s g_adc_llops =
   .val_get       = adc_llops_regget,
   .reg_startconv = adc_llops_startconv,
   .offset_set    = adc_llops_offset_set,
-#  ifdef ADC_HAVE_DMA
-  .regbuf_reg    = adc_regbufregister,
-#  endif
 #  ifdef ADC_HAVE_INJECTED
   .inj_get       = adc_llops_injget,
   .inj_startconv = adc_llops_inj_startconv,
@@ -409,6 +410,11 @@ static const struct stm32_adc_ops_s g_adc_llops =
 #  endif
 #  ifdef ADC_HAVE_JEXTCFG
   .jextsel_set   = adc_llops_jextsel_set,
+#  endif
+#  ifdef ADC_HAVE_DMA
+  .regbuf_reg    = adc_regbufregister,
+  .dma_start     = adc_llops_dma_start,
+  .dma_stop      = adc_llops_dma_stop,
 #  endif
   .dump_regs     = adc_llops_dumpregs
 };
@@ -2520,7 +2526,7 @@ static void  adc_llops_jextsel_set(struct stm32_adc_dev_s *dev,
 
 #ifdef ADC_HAVE_DMA
 static int adc_regbufregister(struct stm32_adc_dev_s *dev,
-                              uint16_t *buffer, uint8_t len)
+                              uint16_t *buffer, uint16_t len)
 {
   struct stm32_dev_s *priv = (struct stm32_dev_s *)dev;
 
@@ -2536,6 +2542,53 @@ static int adc_regbufregister(struct stm32_adc_dev_s *dev,
 
   return OK;
 }
+
+/****************************************************************************
+ * Name: adc_llops_dma_start
+ ****************************************************************************/
+
+static void adc_llops_dma_start(struct stm32_adc_dev_s *adc,
+                                dma_callback_t callback,
+                                uint16_t *buffer, uint16_t len)
+{
+  struct stm32_dev_s *dev = (struct stm32_dev_s *)adc;
+
+  /* Stop and free DMA if it was started before */
+
+  if (dev->dma != NULL)
+    {
+      stm32l4_dmastop(dev->dma);
+      stm32l4_dmafree(dev->dma);
+    }
+
+  dev->dma = stm32l4_dmachannel(dev->dmachan);
+
+  stm32l4_dmasetup(dev->dma,
+                   dev->base + STM32L4_ADC_DR_OFFSET,
+                   (uint32_t)buffer,
+                   len,
+                   ADC_DMA_CONTROL_WORD);
+
+  stm32l4_dmastart(dev->dma, callback, dev, false);
+}
+
+/****************************************************************************
+ * Name: adc_llops_dma_stop
+ ****************************************************************************/
+
+static void adc_llops_dma_stop(struct stm32_adc_dev_s *adc)
+{
+  struct stm32_dev_s *dev = (struct stm32_dev_s *)adc;
+
+  /* Stop and free DMA */
+
+  if (dev->dma != NULL)
+    {
+      stm32l4_dmastop(dev->dma);
+      stm32l4_dmafree(dev->dma);
+    }
+}
+
 #endif  /* ADC_HAVE_DMA */
 
 /****************************************************************************
diff --git a/arch/arm/src/stm32l4/stm32l4_adc.h b/arch/arm/src/stm32l4/stm32l4_adc.h
index 372bf7c214..c3085f25c3 100644
--- a/arch/arm/src/stm32l4/stm32l4_adc.h
+++ b/arch/arm/src/stm32l4/stm32l4_adc.h
@@ -29,6 +29,7 @@
 #include <nuttx/analog/adc.h>
 #include "chip.h"
 #include "hardware/stm32l4_adc.h"
+#include "stm32l4_dma.h"
 
 /****************************************************************************
  * Pre-processor Definitions
@@ -458,8 +459,6 @@
         (adc)->llops->val_get(adc)
 #define ADC_INJDATA_GET(adc, chan)                   \
         (adc)->llops->inj_get(adc, chan)
-#define ADC_REGBUF_REGISTER(adc, buffer, len)        \
-        (adc)->llops->regbuf_reg(adc, buffer, len)
 #define ADC_REG_STARTCONV(adc, state)                \
         (adc)->llops->reg_startconv(adc, state)
 #define ADC_INJ_STARTCONV(adc, state)                \
@@ -471,6 +470,15 @@
 #define ADC_DUMP_REGS(adc)                           \
         (adc)->llops->dump_regs(adc)
 
+#ifdef ADC_HAVE_DMA
+#  define ADC_REGBUF_REGISTER(adc, buffer, len)      \
+        (adc)->llops->regbuf_reg(adc, buffer, len)
+#  define ADC_DMA_START(adc, cb, buf, len)           \
+        (adc)->llops->dma_start(adc, cb, buf, len)
+#  define ADC_DMA_STOP(adc)                          \
+        (adc)->llops->dma_stop(adc)
+#endif
+
 /* IOCTL Commands ***********************************************************
  *
  * Cmd: ANIOC_STM32L4_TRIGGER_REG           Arg:
@@ -524,11 +532,6 @@ struct stm32_adc_ops_s
 
   uint32_t (*val_get)(struct stm32_adc_dev_s *dev);
 
-  /* Register buffer for ADC DMA transfer */
-
-  int (*regbuf_reg)(struct stm32_adc_dev_s *dev, uint16_t *buffer,
-                    uint8_t len);
-
   /* Start/stop regular conversion */
 
   void (*reg_startconv)(struct stm32_adc_dev_s *dev, bool state);
@@ -558,6 +561,22 @@ struct stm32_adc_ops_s
   void (*inj_startconv)(struct stm32_adc_dev_s *dev, bool state);
 #endif
 
+#ifdef ADC_HAVE_DMA
+  /* Register buffer for ADC DMA transfer */
+
+  int (*regbuf_reg)(struct stm32_adc_dev_s *dev, uint16_t *buffer,
+                    uint16_t len);
+
+  /* Start DMA */
+
+  void (*dma_start)(struct stm32_adc_dev_s *dev, dma_callback_t callback,
+                    uint16_t *buffer, uint16_t len);
+
+  /* Stop DMA */
+
+  void (*dma_stop)(struct stm32_adc_dev_s *dev);
+#endif
+
   /* Dump ADC regs */
 
   void (*dump_regs)(struct stm32_adc_dev_s *dev);