dt-bindings: clock: exynosautov920: add mfc clock definitions

Add device tree clock binding definitions for CMU_MFC

Signed-off-by: Raghav Sharma <raghav.s@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml

@@ -39,6 +39,7 @@ properties:
       - samsung,exynosautov920-cmu-hsi1
       - samsung,exynosautov920-cmu-hsi2
       - samsung,exynosautov920-cmu-m2m
+      - samsung,exynosautov920-cmu-mfc
       - samsung,exynosautov920-cmu-misc
       - samsung,exynosautov920-cmu-peric0
       - samsung,exynosautov920-cmu-peric1
@@ -247,6 +248,26 @@ allOf:
             - const: noc
             - const: jpeg
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: samsung,exynosautov920-cmu-mfc
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: External reference clock (38.4 MHz)
+            - description: CMU_MFC MFC clock (from CMU_TOP)
+            - description: CMU_MFC WFD clock (from CMU_TOP)
+
+        clock-names:
+          items:
+            - const: oscclk
+            - const: mfc
+            - const: wfd
+
 required:
   - compatible
   - "#clock-cells"

include/dt-bindings/clock/samsung,exynosautov920.h

@@ -300,4 +300,9 @@
 #define CLK_MOUT_M2M_NOC_USER           2
 #define CLK_DOUT_M2M_NOCP               3
 
+/* CMU_MFC */
+#define CLK_MOUT_MFC_MFC_USER           1
+#define CLK_MOUT_MFC_WFD_USER           2
+#define CLK_DOUT_MFC_NOCP               3
+
 #endif /* _DT_BINDINGS_CLOCK_EXYNOSAUTOV920_H */