dt-bindings: clock: exynosautov9: add schema for cmu_fsys0/1

Add "samsung,exynosautov9-cmu-fsys0/1" compatibles to illustrate
cmu_fsys0 and fsys1 for Exynos Auto v9 SoC.
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/49eaadecfb346982dff46cffb870400b76a4e281.1659054220.git.chanho61.park@samsung.com

Documentation/devicetree/bindings/clock/samsung,exynosautov9-clock.yaml

@@ -35,6 +35,8 @@ properties:
       - samsung,exynosautov9-cmu-top
       - samsung,exynosautov9-cmu-busmc
       - samsung,exynosautov9-cmu-core
+      - samsung,exynosautov9-cmu-fsys0
+      - samsung,exynosautov9-cmu-fsys1
       - samsung,exynosautov9-cmu-fsys2
       - samsung,exynosautov9-cmu-peric0
       - samsung,exynosautov9-cmu-peric1
@@ -107,6 +109,48 @@ allOf:
             - const: oscclk
             - const: dout_clkcmu_core_bus
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: samsung,exynosautov9-cmu-fsys0
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: External reference clock (26 MHz)
+            - description: CMU_FSYS0 bus clock (from CMU_TOP)
+            - description: CMU_FSYS0 pcie clock (from CMU_TOP)
+
+        clock-names:
+          items:
+            - const: oscclk
+            - const: dout_clkcmu_fsys0_bus
+            - const: dout_clkcmu_fsys0_pcie
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: samsung,exynosautov9-cmu-fsys1
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: External reference clock (26 MHz)
+            - description: CMU_FSYS1 bus clock (from CMU_TOP)
+            - description: CMU_FSYS1 mmc card clock (from CMU_TOP)
+            - description: CMU_FSYS1 usb clock (from CMU_TOP)
+
+        clock-names:
+          items:
+            - const: oscclk
+            - const: dout_clkcmu_fsys1_bus
+            - const: dout_clkcmu_fsys1_mmc_card
+            - const: dout_clkcmu_fsys1_usbdrd
+
   - if:
       properties:
         compatible: