diff --git a/MAINTAINERS b/MAINTAINERS
index 546aa66428c9..ac03c7a0066b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2150,6 +2150,7 @@ F:	Documentation/devicetree/bindings/gpio/mstar,msc313-gpio.yaml
 F:	arch/arm/boot/dts/mstar-*
 F:	arch/arm/mach-mstar/
 F:	drivers/gpio/gpio-msc313.c
+F:	include/dt-bindings/clock/mstar-*
 F:	include/dt-bindings/gpio/msc313-gpio.h
 
 ARM/NEC MOBILEPRO 900/c MACHINE SUPPORT
diff --git a/include/dt-bindings/clock/mstar-msc313-mpll.h b/include/dt-bindings/clock/mstar-msc313-mpll.h
new file mode 100644
index 000000000000..1b30b02317b6
--- /dev/null
+++ b/include/dt-bindings/clock/mstar-msc313-mpll.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+/*
+ * Output definitions for the MStar/SigmaStar MPLL
+ *
+ * Copyright (C) 2020 Daniel Palmer <daniel@thingy.jp>
+ */
+
+#ifndef _DT_BINDINGS_CLOCK_MSTAR_MSC313_MPLL_H
+#define _DT_BINDINGS_CLOCK_MSTAR_MSC313_MPLL_H
+
+#define MSTAR_MSC313_MPLL_DIV2	1
+#define MSTAR_MSC313_MPLL_DIV3	2
+#define MSTAR_MSC313_MPLL_DIV4	3
+#define MSTAR_MSC313_MPLL_DIV5	4
+#define MSTAR_MSC313_MPLL_DIV6	5
+#define MSTAR_MSC313_MPLL_DIV7	6
+#define MSTAR_MSC313_MPLL_DIV10	7
+
+#endif