dt-bindings: devfreq: rk3399_dmc: Add rockchip,pmu phandle.

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.balletbo@collabora.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Gaël PORTAY <gael.portay@collabora.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

diff --git a/Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt b/Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt
index a10d1f6d85c64ef5443aca1b64ec88425b0e8eff..a41bcfef95c8a40924cea0ee3d6cdc9f1a93bb29 100644 (file)
--- 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