dt-bindings: Add arm64 ARCH_THUNDER2 platform documentation

Add documentation for Cavium's ThunderX2 CN99XX ARM64 processor. This
SoC will use "cavium,thunderx2-cn9900" as the compatible property.

Also add a documentation entry for the "cavium,thunder2" cpu core
present in these SoCs.

Signed-off-by: Jayachandran C <jnair@caviumnetworks.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/Documentation/devicetree/bindings/arm/cavium-thunder2.txt b/Documentation/devicetree/bindings/arm/cavium-thunder2.txt
new file mode 100644 (file)
index 0000000..dc5dd65
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/cavium-thunder2.txt
@@ -0,0 +1,8 @@
+Cavium ThunderX2 CN99XX platform tree bindings
+----------------------------------------------
+
+Boards with Cavium ThunderX2 CN99XX SoC shall have the root property:
+  compatible = "cavium,thunderx2-cn9900", "brcm,vulcan-soc";
+
+These SoC uses the "cavium,thunder2" core which will be compatible
+with "brcm,vulcan".

diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt
index 698ad1f097fa34c835478a84a7ad9bddfc86e9b6..1030f5f50207f22baa245e9df9ca69df286c128e 100644 (file)
--- a/Documentation/devicetree/bindings/arm/cpus.txt
+++ b/Documentation/devicetree/bindings/arm/cpus.txt
@@ -170,6 +170,7 @@ nodes to be present and contain the properties described below.
                            "brcm,brahma-b15"
                            "brcm,vulcan"
                            "cavium,thunder"
+                           "cavium,thunder2"
                            "faraday,fa526"
                            "intel,sa110"
                            "intel,sa1100"