dt-bindings: clock: Add Qualcomm SA8775P GCC

Add DT bindings for the GCC clock on SA8775P platforms. Add relevant
DT include definitions as well.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230117180429.305266-2-brgl@bgdev.pl

Documentation/devicetree/bindings/clock/qcom,sa8775p-gcc.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sa8775p-gcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Global Clock & Reset Controller on sa8775p
+
+maintainers:
+  - Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
+
+description: |
+  Qualcomm global clock control module provides the clocks, resets and
+  power domains on sa8775p.
+
+  See also:: include/dt-bindings/clock/qcom,sa8775p-gcc.h
+
+properties:
+  compatible:
+    const: qcom,sa8775p-gcc
+
+  clocks:
+    items:
+      - description: XO reference clock
+      - description: Sleep clock
+      - description: UFS memory first RX symbol clock
+      - description: UFS memory second RX symbol clock
+      - description: UFS memory first TX symbol clock
+      - description: UFS card first RX symbol clock
+      - description: UFS card second RX symbol clock
+      - description: UFS card first TX symbol clock
+      - description: Primary USB3 PHY wrapper pipe clock
+      - description: Secondary USB3 PHY wrapper pipe clock
+      - description: PCIe 0 pipe clock
+      - description: PCIe 1 pipe clock
+      - description: PCIe PHY clock
+      - description: First EMAC controller reference clock
+      - description: Second EMAC controller reference clock
+
+  protected-clocks:
+    maxItems: 240
+
+required:
+  - compatible
+  - clocks
+
+allOf:
+  - $ref: qcom,gcc.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+
+    gcc: clock-controller@100000 {
+        compatible = "qcom,sa8775p-gcc";
+        reg = <0x100000 0xc7018>;
+        clocks = <&rpmhcc RPMH_CXO_CLK>,
+                 <&sleep_clk>,
+                 <&ufs_phy_rx_symbol_0_clk>,
+                 <&ufs_phy_rx_symbol_1_clk>,
+                 <&ufs_phy_tx_symbol_0_clk>,
+                 <&ufs_card_rx_symbol_0_clk>,
+                 <&ufs_card_rx_symbol_1_clk>,
+                 <&ufs_card_tx_symbol_0_clk>,
+                 <&usb_0_ssphy>,
+                 <&usb_1_ssphy>,
+                 <&pcie_0_pipe_clk>,
+                 <&pcie_1_pipe_clk>,
+                 <&pcie_phy_pipe_clk>,
+                 <&rxc0_ref_clk>,
+                 <&rxc1_ref_clk>;
+
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+        #power-domain-cells = <1>;
+    };
+...