arm64, thunder: Document devicetree bindings for Cavium Thunder SoC

This patch adds documentation for the devicetree bindings used by the
DT files of Cavium Thunder SoC platforms.

Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com>
Signed-off-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

2 files changed, 11 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/cavium-thunder.txt b/Documentation/devicetree/bindings/arm/cavium-thunder.txt
new file mode 100644
index 000000000000..6f63a5866902
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/cavium-thunder.txt
@@ -0,0 +1,10 @@
+Cavium Thunder platform device tree bindings
+--------------------------------------------
+
+Boards with Cavium's Thunder SoC shall have following properties.
+
+Root Node
+---------
+Required root node properties:
+
+  - compatible = "cavium,thunder-88xx";
diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt
index 298e2f6b33c6..578796a2cfa9 100644
--- a/Documentation/devicetree/bindings/arm/cpus.txt
+++ b/Documentation/devicetree/bindings/arm/cpus.txt
@@ -166,6 +166,7 @@ nodes to be present and contain the properties described below.
                             "arm,cortex-r5"
                             "arm,cortex-r7"
                             "brcm,brahma-b15"
+                            "cavium,thunder"
                             "faraday,fa526"
                             "intel,sa110"
                             "intel,sa1100"