--- /dev/null
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Device Tree constants for Microsemi VSC8531 PHY
+ *
+ * Author: Nagaraju Lakkaraju
+ *
+ * Copyright (c) 2017 Microsemi Corporation
+ */
+
+#ifndef _DT_BINDINGS_MSCC_VSC8531_H
+#define _DT_BINDINGS_MSCC_VSC8531_H
+
+/* PHY LED Modes */
+#define VSC8531_LINK_ACTIVITY 0
+#define VSC8531_LINK_1000_ACTIVITY 1
+#define VSC8531_LINK_100_ACTIVITY 2
+#define VSC8531_LINK_10_ACTIVITY 3
+#define VSC8531_LINK_100_1000_ACTIVITY 4
+#define VSC8531_LINK_10_1000_ACTIVITY 5
+#define VSC8531_LINK_10_100_ACTIVITY 6
+#define VSC8584_LINK_100FX_1000X_ACTIVITY 7
+#define VSC8531_DUPLEX_COLLISION 8
+#define VSC8531_COLLISION 9
+#define VSC8531_ACTIVITY 10
+#define VSC8584_100FX_1000X_ACTIVITY 11
+#define VSC8531_AUTONEG_FAULT 12
+#define VSC8531_SERIAL_MODE 13
+#define VSC8531_FORCE_LED_OFF 14
+#define VSC8531_FORCE_LED_ON 15
+
+#define VSC8531_RGMII_CLK_DELAY_0_2_NS 0
+#define VSC8531_RGMII_CLK_DELAY_0_8_NS 1
+#define VSC8531_RGMII_CLK_DELAY_1_1_NS 2
+#define VSC8531_RGMII_CLK_DELAY_1_7_NS 3
+#define VSC8531_RGMII_CLK_DELAY_2_0_NS 4
+#define VSC8531_RGMII_CLK_DELAY_2_3_NS 5
+#define VSC8531_RGMII_CLK_DELAY_2_6_NS 6
+#define VSC8531_RGMII_CLK_DELAY_3_4_NS 7
+
+#endif