diff --git a/lv_conf.h b/lv_conf.h
index c8d590f..3303e81 100644
--- a/lv_conf.h
+++ b/lv_conf.h
@@ -1,6 +1,6 @@
 /**
  * @file lv_conf.h
- * Configuration file for v9.3.0
+ * Configuration file for v9.4.0-dev
  */
 
 /*
@@ -1019,6 +1019,13 @@
 #if LV_USE_SYSMON
     /** Get the idle percentage. E.g. uint32_t my_get_idle(void); */
     #define LV_SYSMON_GET_IDLE lv_os_get_idle_percent
+    /** 1: Enable usage of lv_os_get_proc_idle_percent.*/
+    #define LV_SYSMON_PROC_IDLE_AVAILABLE 0
+    #if LV_SYSMON_PROC_IDLE_AVAILABLE
+        /** Get the applications idle percentage.
+         * - Requires `LV_USE_OS == LV_OS_PTHREAD` */
+        #define LV_SYSMON_GET_PROC_IDLE lv_os_get_proc_idle_percent
+    #endif 
 
     /** 1: Show CPU usage and FPS count.
      *  - Requires `LV_USE_SYSMON = 1` */
@@ -1242,8 +1249,14 @@
     /** Driver for /dev/input */
     #define LV_USE_NUTTX_TOUCHSCREEN    0
 
-    /*Touchscreen cursor size in pixels(<=0: disable cursor)*/
+    /** Touchscreen cursor size in pixels(<=0: disable cursor) */
     #define LV_NUTTX_TOUCHSCREEN_CURSOR_SIZE    0
+
+    /** Driver for /dev/mouse */
+    #define LV_USE_NUTTX_MOUSE    0
+
+    /** Mouse movement step (pixels) */
+    #define LV_USE_NUTTX_MOUSE_MOVE_STEP    1
 #endif
 
 /** Driver for /dev/dri/card */
diff --git a/lvgl b/lvgl
index 4ef938f..db62f65 160000
--- a/lvgl
+++ b/lvgl
@@ -1 +1 @@
-Subproject commit 4ef938fa6d8665681435e4e054ed0b829210d63a
+Subproject commit db62f65c22811acf36b9b83da0228d7389317283