diff --git a/include/dt-bindings/mfd/arizona.h b/include/dt-bindings/mfd/arizona.h
index c7af7c7ef793..555609910acb 100644
--- a/include/dt-bindings/mfd/arizona.h
+++ b/include/dt-bindings/mfd/arizona.h
@@ -90,4 +90,18 @@
 #define ARIZONA_INMODE_SE   1
 #define ARIZONA_INMODE_DMIC 2
 
+#define ARIZONA_MICD_TIME_CONTINUOUS                 0
+#define ARIZONA_MICD_TIME_250US                      1
+#define ARIZONA_MICD_TIME_500US                      2
+#define ARIZONA_MICD_TIME_1MS                        3
+#define ARIZONA_MICD_TIME_2MS                        4
+#define ARIZONA_MICD_TIME_4MS                        5
+#define ARIZONA_MICD_TIME_8MS                        6
+#define ARIZONA_MICD_TIME_16MS                       7
+#define ARIZONA_MICD_TIME_32MS                       8
+#define ARIZONA_MICD_TIME_64MS                       9
+#define ARIZONA_MICD_TIME_128MS                      10
+#define ARIZONA_MICD_TIME_256MS                      11
+#define ARIZONA_MICD_TIME_512MS                      12
+
 #endif