include: dt-bindings: Add MSCC header

Add MSCC header with delay definitions for VSC8531 and associated
family devices.

Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

include/dt-bindings/net/mscc-phy-vsc8531.h

@@ -0,0 +1,40 @@
+/* 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