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>

diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index 534e1be80df201713718bf5f072061e3a5a1f8c1..13efe05a8c9f494be749dbaad99ba368f64a973a 100644 (file)
--- 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>;
+               };
+       };
  };