dt-bindings: clk: samsung: Document the DMC domain of Exynos3250 CMU

Document the new compatible for clock in DMC (Dynamic Memory
Controller) domain of Exynos3250 Clock Management Unit (CMU).

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>

diff --git a/Documentation/devicetree/bindings/clock/exynos3250-clock.txt b/Documentation/devicetree/bindings/clock/exynos3250-clock.txt
index aadc9c5..f57d9dd 100644 (file)
--- a/Documentation/devicetree/bindings/clock/exynos3250-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos3250-clock.txt
@@ -7,6 +7,8 @@ Required Properties:
 
 - compatible: should be one of the following.
   - "samsung,exynos3250-cmu" - controller compatible with Exynos3250 SoC.
+  - "samsung,exynos3250-cmu-dmc" - controller compatible with
+    Exynos3250 SoC for Dynamic Memory Controller domain.
 
 - reg: physical base address of the controller and length of memory mapped
   region.
@@ -20,7 +22,7 @@ All available clocks are defined as preprocessor macros in
 dt-bindings/clock/exynos3250.h header and can be used in device
 tree sources.
 
-Example 1: An example of a clock controller node is listed below.
+Example 1: Examples of clock controller nodes are listed below.
 
        cmu: clock-controller@10030000 {
                compatible = "samsung,exynos3250-cmu";
@@ -28,6 +30,12 @@ Example 1: An example of a clock controller node is listed below.
                #clock-cells = <1>;
        };
 
+       cmu_dmc: clock-controller@105C0000 {
+               compatible = "samsung,exynos3250-cmu-dmc";
+               reg = <0x105C0000 0x2000>;
+               #clock-cells = <1>;
+       };
+
 Example 2: UART controller node that consumes the clock generated by the clock
           controller. Refer to the standard clock bindings for information
           about 'clocks' and 'clock-names' property.