diff --git a/include/dt-bindings/phy/phy-qcom-qusb2.h b/include/dt-bindings/phy/phy-qcom-qusb2.h
new file mode 100644
index 0000000..5c5e4d8
--- /dev/null
+++ b/include/dt-bindings/phy/phy-qcom-qusb2.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_QCOM_PHY_QUSB2_H_
+#define _DT_BINDINGS_QCOM_PHY_QUSB2_H_
+
+/* PHY HSTX TRIM bit values (24mA to 15mA) */
+#define QUSB2_V2_HSTX_TRIM_24_0_MA		0x0
+#define QUSB2_V2_HSTX_TRIM_23_4_MA		0x1
+#define QUSB2_V2_HSTX_TRIM_22_8_MA		0x2
+#define QUSB2_V2_HSTX_TRIM_22_2_MA		0x3
+#define QUSB2_V2_HSTX_TRIM_21_6_MA		0x4
+#define QUSB2_V2_HSTX_TRIM_21_0_MA		0x5
+#define QUSB2_V2_HSTX_TRIM_20_4_MA		0x6
+#define QUSB2_V2_HSTX_TRIM_19_8_MA		0x7
+#define QUSB2_V2_HSTX_TRIM_19_2_MA		0x8
+#define QUSB2_V2_HSTX_TRIM_18_6_MA		0x9
+#define QUSB2_V2_HSTX_TRIM_18_0_MA		0xa
+#define QUSB2_V2_HSTX_TRIM_17_4_MA		0xb
+#define QUSB2_V2_HSTX_TRIM_16_8_MA		0xc
+#define QUSB2_V2_HSTX_TRIM_16_2_MA		0xd
+#define QUSB2_V2_HSTX_TRIM_15_6_MA		0xe
+#define QUSB2_V2_HSTX_TRIM_15_0_MA		0xf
+
+/* PHY PREEMPHASIS bit values */
+#define QUSB2_V2_PREEMPHASIS_NONE		0
+#define QUSB2_V2_PREEMPHASIS_5_PERCENT		1
+#define QUSB2_V2_PREEMPHASIS_10_PERCENT		2
+#define QUSB2_V2_PREEMPHASIS_15_PERCENT		3
+
+/* PHY PREEMPHASIS-WIDTH bit values */
+#define QUSB2_V2_PREEMPHASIS_WIDTH_FULL_BIT	0
+#define QUSB2_V2_PREEMPHASIS_WIDTH_HALF_BIT	1
+
+#endif