v4.19.13 snapshot.
diff --git a/drivers/hwtracing/intel_th/pti.h b/drivers/hwtracing/intel_th/pti.h
new file mode 100644
index 0000000..e9381ba
--- /dev/null
+++ b/drivers/hwtracing/intel_th/pti.h
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Intel(R) Trace Hub PTI output data structures
+ *
+ * Copyright (C) 2014-2015 Intel Corporation.
+ */
+
+#ifndef __INTEL_TH_STH_H__
+#define __INTEL_TH_STH_H__
+
+enum {
+ REG_PTI_CTL = 0x1c00,
+};
+
+#define PTI_EN BIT(0)
+#define PTI_FCEN BIT(1)
+#define PTI_MODE 0xf0
+#define LPP_PTIPRESENT BIT(8)
+#define LPP_BSSBPRESENT BIT(9)
+#define PTI_CLKDIV 0x000f0000
+#define PTI_PATGENMODE 0x00f00000
+#define LPP_DEST BIT(25)
+#define LPP_BSSBACT BIT(30)
+#define LPP_LPPBUSY BIT(31)
+
+#define LPP_DEST_PTI BIT(0)
+#define LPP_DEST_EXI BIT(1)
+
+#endif /* __INTEL_TH_STH_H__ */