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

Add device tree clock binding definitions for CMU_MFC

Signed-off-by: Raghav Sharma <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Krzysztof Kozlowski <[e-mail]>

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

···
       - 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
···
             - const: oscclk
             - 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

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

···
 #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 */