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 <enric.balle...@collabora.com>
Reviewed-by: Chanwoo Choi <cw00.c...@samsung.com>
Acked-by: Rob Herring <r...@kernel.org>
---

Changes in v1:
- [RFC 2/10] Add reviewed and acked tags from Chanwoo Choi and Rob Herring

 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
-- 
2.18.0

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