The Rockchip DMC (Dynamic Memory Interface) needs to access to the PMU
general register files to know the DRAM type, so add a phandle to the
syscon that manages these registers.

Signed-off-by: Enric Balletbo i Serra <redacted>
---

 Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt b/Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt
index 0ec68141f85a..951789c0cdd6 100644
--- a/Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt
+++ b/Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt

@@ -12,6 +12,8 @@ Required properties:
 			 for details.
 - center-supply:	 DMC supply node.
 - status:		 Marks the node enabled/disabled.
+- rockchip,pmu:		 Phandle to the syscon managing the "PMU general register
+			 files".
 
 Optional properties:
 - interrupts:		 The CPU interrupt number. The interrupt specifier