diff --git a/tools/nxstyle.c b/tools/nxstyle.c
index dba9123e876..68c8a0b0d0e 100644
--- a/tools/nxstyle.c
+++ b/tools/nxstyle.c
@@ -642,6 +642,12 @@ static const char *g_white_files[] =
 
   "arm-acle-compat.h",
   "arm_asm.h",
+
+  /* Skip Mixed case
+   * arch/arm/src/phy62xx/uart.c:1229:13: error: Mixed case identifier found
+   */
+
+  "phy62xx/uart.c",
   NULL
 };