diff --git a/include/dt-bindings/clock/cirrus,cs2000-cp.h b/include/dt-bindings/clock/cirrus,cs2000-cp.h
new file mode 100644
index 0000000..fe3ac71
--- /dev/null
+++ b/include/dt-bindings/clock/cirrus,cs2000-cp.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2021 Daniel Mack
+ */
+
+#ifndef __DT_BINDINGS_CS2000CP_CLK_H
+#define __DT_BINDINGS_CS2000CP_CLK_H
+
+#define CS2000CP_AUX_OUTPUT_REF_CLK	0
+#define CS2000CP_AUX_OUTPUT_CLK_IN	1
+#define CS2000CP_AUX_OUTPUT_CLK_OUT	2
+#define CS2000CP_AUX_OUTPUT_PLL_LOCK	3
+
+#endif /* __DT_BINDINGS_CS2000CP_CLK_H */