dt-bindings: clock: exynosautov920: add G3D clock definitions

Add device tree clock binding definitions for CMU_G3D

Signed-off-by: Raghav Sharma <raghav.s@samsung.com>
Link: https://patch.msgid.link/20260202103555.2089376-2-raghav.s@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Author: Raghav Sharma

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

@@ -35,6 +35,7 @@ properties:
       - samsung,exynosautov920-cmu-cpucl0
       - samsung,exynosautov920-cmu-cpucl1
       - samsung,exynosautov920-cmu-cpucl2
+      - samsung,exynosautov920-cmu-g3d
       - samsung,exynosautov920-cmu-hsi0
       - samsung,exynosautov920-cmu-hsi1
       - samsung,exynosautov920-cmu-hsi2
@@ -287,6 +288,26 @@ allOf:
             - const: oscclk
             - const: noc
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: samsung,exynosautov920-cmu-g3d
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: External reference clock (38.4 MHz)
+            - description: CMU_G3D SWITCH clock (from CMU_TOP)
+            - description: CMU_G3D NOCP clock (from CMU_TOP)
+
+        clock-names:
+          items:
+            - const: oscclk
+            - const: switch
+            - const: nocp
+
 required:
   - compatible
   - "#clock-cells"

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

@@ -309,4 +309,10 @@
 #define CLK_MOUT_MFD_NOC_USER           1
 #define CLK_DOUT_MFD_NOCP               2
 
+/* CMU_G3D */
+#define FOUT_PLL_G3D                    1
+#define CLK_MOUT_G3D_NOC                2
+#define CLK_MOUT_G3D_SWITCH_USER        3
+#define CLK_MOUT_G3D_NOCP_USER          4
+
 #endif /* _DT_BINDINGS_CLOCK_EXYNOSAUTOV920_H */