dt-bindings: clock: Add Qualcomm QCS615 Graphics clock controller

Add DT bindings for the Graphics clock on QCS615 platforms. Add the
relevant DT include definitions as well.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Link: https://lore.kernel.org/r/20250702-qcs615-mm-v10-clock-controllers-v11-6-9c216e1615ab@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

Documentation/devicetree/bindings/clock/qcom,qcs615-gpucc.yaml

@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,qcs615-gpucc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Graphics Clock & Reset Controller on QCS615
+
+maintainers:
+  - Taniya Das <quic_tdas@quicinc.com>
+
+description: |
+  Qualcomm graphics clock control module provides clocks, resets and power
+  domains on QCS615 Qualcomm SoCs.
+
+  See also: include/dt-bindings/clock/qcom,qcs615-gpucc.h
+
+properties:
+  compatible:
+    const: qcom,qcs615-gpucc
+
+  clocks:
+    items:
+      - description: Board XO source
+      - description: GPLL0 main branch source
+      - description: GPLL0 GPUCC div branch source
+
+allOf:
+  - $ref: qcom,gcc.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/clock/qcom,qcs615-gcc.h>
+
+    clock-controller@5090000 {
+      compatible = "qcom,qcs615-gpucc";
+      reg = <0x5090000 0x9000>;
+      clocks = <&rpmhcc RPMH_CXO_CLK>,
+               <&gcc GPLL0>,
+               <&gcc GCC_GPU_GPLL0_DIV_CLK_SRC>;
+
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+      #power-domain-cells = <1>;
+    };
+...