dts/pcie: Add PTM root device specification
It only requires a proper reg property to be filled-in.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
diff --git a/dts/bindings/pcie/host/ptm-root.yaml b/dts/bindings/pcie/host/ptm-root.yaml
new file mode 100644
index 0000000..5fe5160
--- /dev/null
+++ b/dts/bindings/pcie/host/ptm-root.yaml
@@ -0,0 +1,10 @@
+# Copyright (c) 2021 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+# Common fields for PCIe PTM root
+
+include: base.yaml
+
+properties:
+ reg:
+ required: true
