diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 36e14e0403..176b448278 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -42,6 +42,12 @@ config USERLED_LOWER_READSTATE
 		checks the actual state of the pin controlling the LED,
 		which can be used to find malfunctioning LEDs.
 
+config USERLED_EFFECTS
+	bool "LED driver supports LED effects"
+	default n
+	---help---
+		Enable support for LED effects (PWM, blinking, breathing).
+
 endif # USERLED
 
 config LEDS_APA102
diff --git a/drivers/leds/userled_upper.c b/drivers/leds/userled_upper.c
index c9edc12880..1190825ff7 100644
--- a/drivers/leds/userled_upper.c
+++ b/drivers/leds/userled_upper.c
@@ -464,6 +464,53 @@ static int userled_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
       }
       break;
 
+#ifdef CONFIG_USERLED_EFFECTS
+    /* Command:     ULEDIOC_SUPEFFECT
+     * Description: Get supported effects of one LED.
+     * Argument:    A write-able pointer to a struct userled_effect_sup_s
+     *              which to return the supported LED effects.
+     * Return:      Zero (OK) on success.  Minus one will be returned on
+     *              failure with the errno value set appropriately.
+     */
+
+    case ULEDIOC_SUPEFFECT:
+    {
+      FAR struct userled_effect_sup_s *effect =
+        (FAR struct userled_effect_sup_s *)((uintptr_t)arg);
+
+      if (effect)
+        {
+          lower = priv->lu_lower;
+          DEBUGASSERT(lower != NULL && lower->ll_effect_sup != NULL);
+          lower->ll_effect_sup(lower, effect);
+          ret = OK;
+        }
+    }
+    break;
+
+    /* Command:     ULEDIOC_SETEFFECT
+     * Description: Set effects for one LED.
+     * Argument:    A read-only pointer to an instance of
+     *              struct userled_effect_set_s.
+     * Return:      Zero (OK) on success.  Minus one will be returned on
+     *              failure with the errno value set appropriately.
+     */
+
+    case ULEDIOC_SETEFFECT:
+    {
+      FAR struct userled_effect_set_s *effect =
+        (FAR struct userled_effect_set_s *)((uintptr_t)arg);
+
+      if (effect)
+        {
+          lower = priv->lu_lower;
+          DEBUGASSERT(lower != NULL && lower->ll_effect_set != NULL);
+          ret = lower->ll_effect_set(lower, effect);
+        }
+    }
+    break;
+#endif
+
     default:
       lederr("ERROR: Unrecognized command: %d\n", cmd);
       ret = -ENOTTY;
diff --git a/include/nuttx/leds/userled.h b/include/nuttx/leds/userled.h
index e613d201b7..d10fe9ed64 100644
--- a/include/nuttx/leds/userled.h
+++ b/include/nuttx/leds/userled.h
@@ -74,6 +74,26 @@
 
 #define ULEDIOC_GETALL     _ULEDIOC(0x0004)
 
+/* Command:     ULEDIOC_SUPEFFECT
+ * Description: Get supported effects of one LED.
+ * Argument:    A write-able pointer to a struct userled_effect_sup_s
+ *              which to return the supported LED effects.
+ * Return:      Zero (OK) on success.  Minus one will be returned on failure
+ *              with the errno value set appropriately.
+ */
+
+#define ULEDIOC_SUPEFFECT  _ULEDIOC(0x0005)
+
+/* Command:     ULEDIOC_SETEFFECT
+ * Description: Set effects for one LED.
+ * Argument:    A read-only pointer to an instance of
+ *              struct userled_effect_set_s.
+ * Return:      Zero (OK) on success.  Minus one will be returned on failure
+ *              with the errno value set appropriately.
+ */
+
+#define ULEDIOC_SETEFFECT  _ULEDIOC(0x0006)
+
 /****************************************************************************
  * Public Types
  ****************************************************************************/
@@ -97,6 +117,38 @@ struct userled_s
   bool     ul_on;           /* The LED state.  true: ON; false: OFF */
 };
 
+#ifdef CONFIG_USERLED_EFFECTS
+
+/* This structure describes LED effects supported by a given LED. */
+
+struct userled_effect_sup_s
+{
+  uint8_t led;                  /* LED number */
+
+  uint8_t int_on:1;             /* ON intensity supported */
+  uint8_t int_off:1;            /* OFF intensity supported */
+  uint8_t t_on:1;               /* ON time supported */
+  uint8_t t_off:1;              /* OFF time supported */
+  uint8_t t_fade:1;             /* Fade in supported */
+  uint8_t t_fall:1;             /* Fade out supported */
+  uint8_t _res:2;               /* Reserved */
+};
+
+/* This structure describes the LED effect to be set on a given LED. */
+
+struct userled_effect_set_s
+{
+  uint8_t  led;                 /* LED number */
+
+  uint8_t  int_on;              /* ON intesinty [0% - 100%] */
+  uint8_t  int_off;             /* OFF intensity [0% - 100%] */
+  uint32_t t_on;                /* ON time [ms] */
+  uint32_t t_off;               /* OFF intensity [ms] */
+  uint8_t  t_fade;              /* Fade in setting */
+  uint8_t  t_fall;              /* Fade out setting */
+};
+#endif
+
 /* The user LED driver is a two-part driver:
  *
  * 1) A common upper half driver that provides the common user interface to
@@ -133,6 +185,19 @@ struct userled_lowerhalf_s
   CODE void (*ll_getall)(FAR const struct userled_lowerhalf_s *lower,
                          userled_set_t *ledset);
 #endif
+
+#ifdef CONFIG_USERLED_EFFECTS
+  /* Return the LED effects supported by a given LED */
+
+  CODE void (*ll_effect_sup)(FAR const struct userled_lowerhalf_s *lower,
+                             FAR struct userled_effect_sup_s *supp);
+
+  /* Set the effect of one LED */
+
+  CODE int (*ll_effect_set)(FAR const struct userled_lowerhalf_s *lower,
+                            FAR struct userled_effect_set_s *effect);
+
+#endif
 };
 
 /****************************************************************************