arm64: dts: Add Cavium ThunderX specific PMU

Add a compatible string for the Cavium ThunderX PMU.

Signed-off-by: Jan Glauber <jglauber@cavium.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/pmu.txt b/Documentation/devicetree/bindings/arm/pmu.txt
index b6056d3bca06..6eb73be9433e 100644
--- a/Documentation/devicetree/bindings/arm/pmu.txt
+++ b/Documentation/devicetree/bindings/arm/pmu.txt
@@ -25,6 +25,7 @@ Required properties:
         "qcom,scorpion-pmu"
         "qcom,scorpion-mp-pmu"
         "qcom,krait-pmu"
+        "cavium,thunder-pmu"
 - interrupts : 1 combined interrupt or 1 per core. If the interrupt is a per-cpu
                interrupt (PPI) then 1 interrupt should be specified.
 
diff --git a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
index 9cb7cf94284a..2eb9b225f0bc 100644
--- a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
+++ b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
@@ -360,6 +360,11 @@
                              <1 10 0xff01>;
         };
 
+        pmu {
+                compatible = "cavium,thunder-pmu", "arm,armv8-pmuv3";
+                interrupts = <1 7 4>;
+        };
+
         soc {
                 compatible = "simple-bus";
                 #address-cells = <2>;