Extend the documentation of the Armada 37xx SoC with the the North
Bridge Power Management component.
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
---
.../devicetree/bindings/arm/marvell/armada-37xx.txt | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt b/Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt
index 51336e5fc761..35c3c3460d17 100644
--- a/Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt
+++ b/Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt
@@ -14,3 +14,22 @@ following property before the previous one:
Example:
compatible = "marvell,armada-3720-db", "marvell,armada3720", "marvell,armada3710";
+
+
+Power management
+----------------
+
+For power management (particularly DVFS and AVS), the North Bridge
+Power Management component is needed:
+
+Required properties:
+- compatible : should contain "marvell,armada-3700-nb-pm", "syscon";
+- reg : the register start and length for the North Bridge
+ Power Management
+
+Example:
+
+nb_pm: syscon@14000 {
+ compatible = "marvell,armada-3700-nb-pm", "syscon";
+ reg = <0x14000 0x60>;
+}
--
2.15.1
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