ARM: mvebu: Add a 2 GHz fixed-clock Armada 370/XP

Armada 370/XP SoCs have a 2 GHz fixed PLL that is used to feed
other clocks. This commit adds a DT representation of this clock
through a fixed-clock compatible node.

Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index 534e1be80df2..13efe05a8c9f 100644
--- a/arch/arm/boot/dts/armada-370-xp.dtsi
+++ b/arch/arm/boot/dts/armada-370-xp.dtsi
@@ -251,4 +251,13 @@
 
                 };
         };
+
+        clocks {
+                /* 2 GHz fixed main PLL */
+                mainpll: mainpll {
+                        compatible = "fixed-clock";
+                        #clock-cells = <0>;
+                        clock-frequency = <2000000000>;
+                };
+        };
  };