diff --git a/arch/arm/src/nrf52/nrf52_spi.c b/arch/arm/src/nrf52/nrf52_spi.c
index dd03f417de5..20b77c8d43c 100644
--- a/arch/arm/src/nrf52/nrf52_spi.c
+++ b/arch/arm/src/nrf52/nrf52_spi.c
@@ -175,6 +175,14 @@ static const struct spi_ops_s g_spi0ops =
   .sendlock          = nrf52_spi_sendblock,
   .recvblock         = nrf52_spi_recvblock
 #  endif
+#ifdef CONFIG_SPI_TRIGGER
+  .trigger           = nrf52_spi_trigger,
+#endif
+#ifdef CONFIG_SPI_CALLBACK
+  .registercallback  = nrf52_spi0register,  /* Provided externally */
+#else
+  .registercallback  = 0,                   /* Not implemented */
+#endif
 };
 
 static struct nrf52_spidev_s g_spi0dev =
@@ -220,6 +228,14 @@ static const struct spi_ops_s g_spi1ops =
   .sendlock          = nrf52_spi_sendblock,
   .recvblock         = nrf52_spi_recvblock
 #  endif
+#ifdef CONFIG_SPI_TRIGGER
+  .trigger           = nrf52_spi_trigger,
+#endif
+#ifdef CONFIG_SPI_CALLBACK
+  .registercallback  = nrf52_spi1register,  /* Provided externally */
+#else
+  .registercallback  = 0,                   /* Not implemented */
+#endif
 };
 
 static struct nrf52_spidev_s g_spi1dev =
@@ -265,6 +281,14 @@ static const struct spi_ops_s g_spi2ops =
   .sendlock          = nrf52_spi_sendblock,
   .recvblock         = nrf52_spi_recvblock
 #  endif
+#ifdef CONFIG_SPI_TRIGGER
+  .trigger           = nrf52_spi_trigger,
+#endif
+#ifdef CONFIG_SPI_CALLBACK
+  .registercallback  = nrf52_spi2register,  /* Provided externally */
+#else
+  .registercallback  = 0,                   /* Not implemented */
+#endif
 };
 
 static struct nrf52_spidev_s g_spi2dev =
@@ -310,6 +334,14 @@ static const struct spi_ops_s g_spi3ops =
   .sendlock          = nrf52_spi_sendblock,
   .recvblock         = nrf52_spi_recvblock
 #  endif
+#ifdef CONFIG_SPI_TRIGGER
+  .trigger           = nrf52_spi_trigger,
+#endif
+#ifdef CONFIG_SPI_CALLBACK
+  .registercallback  = nrf52_spi3register,  /* Provided externally */
+#else
+  .registercallback  = 0,                   /* Not implemented */
+#endif
 };
 
 static struct nrf52_spidev_s g_spi3dev =
@@ -1029,6 +1061,29 @@ static void nrf52_spi_recvblock(FAR struct spi_dev_s *dev,
 }
 #endif /* CONFIG_SPI_EXCHANGE */
 
+/****************************************************************************
+ * Name: nrf52_spi_trigger
+ *
+ * Description:
+ *   Trigger a previously configured DMA transfer.
+ *
+ * Input Parameters:
+ *   dev      - Device-specific state data
+ *
+ * Returned Value:
+ *   OK       - Trigger was fired
+ *   -ENOSYS  - Trigger not fired due to lack of DMA or low level support
+ *   -EIO     - Trigger not fired because not previously primed
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_SPI_TRIGGER
+static int nrf52_spi_trigger(FAR struct spi_dev_s *dev)
+{
+  return -ENOSYS;
+}
+#endif
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
diff --git a/arch/arm/src/nrf52/nrf52_spi.h b/arch/arm/src/nrf52/nrf52_spi.h
index 07a9ad57408..5a13e957ddd 100644
--- a/arch/arm/src/nrf52/nrf52_spi.h
+++ b/arch/arm/src/nrf52/nrf52_spi.h
@@ -123,4 +123,46 @@ uint8_t nrf52_spi3status(FAR struct spi_dev_s *dev, uint32_t devid);
 int nrf52_spi3cmddata(FAR struct spi_dev_s *dev, uint32_t devid, bool cmd);
 #endif
 
+/****************************************************************************
+ * Name: nrf52_spi0/1/2/3register
+ *
+ * Description:
+ *   If the board supports a card detect callback to inform the SPI-based
+ *   MMC/SD driver when an SD card is inserted or removed, then
+ *   CONFIG_SPI_CALLBACK should be defined and the following function(s) must
+ *   be implemented.  These functions implements the registercallback method
+ *   of the SPI interface (see include/nuttx/spi/spi.h for details)
+ *
+ * Input Parameters:
+ *   dev -      Device-specific state data
+ *   callback - The function to call on the media change
+ *   arg -      A caller provided value to return with the callback
+ *
+ * Returned Value:
+ *   0 on success; negated errno on failure.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_SPI_CALLBACK
+#ifdef CONFIG_NRF52_SPI0_MASTER
+int nrf52_spi0register(FAR struct spi_dev_s *dev, spi_mediachange_t callback,
+                       FAR void *arg);
+#endif
+
+#ifdef CONFIG_NRF52_SPI1_MASTER
+int nrf52_spi1register(FAR struct spi_dev_s *dev, spi_mediachange_t callback,
+                       FAR void *arg);
+#endif
+
+#ifdef CONFIG_NRF52_SPI2_MASTER
+int nrf52_spi2register(FAR struct spi_dev_s *dev, spi_mediachange_t callback,
+                       FAR void *arg);
+#endif
+
+#ifdef CONFIG_NRF52_SPI3_MASTER
+int nrf52_spi3register(FAR struct spi_dev_s *dev, spi_mediachange_t callback,
+                       FAR void *arg);
+#endif
+#endif
+
 #endif /* __ARCH_ARM_SRC_NRF52_NRF52_SPI_H */