dt-bindings: clock: qcom,gcc-apq8084: define clocks/clock-names

Define clock/clock-names properties of the GCC device node to be used
on APQ8084 platform.

Note: the driver uses a single pcie_pipe clock, however most probably
there are two pipe clocks, one from each of PCIe QMP PHYs.

Acked-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Dmitry Baryshkov <[e-mail]>
Signed-off-by: Bjorn Andersson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

Documentation/devicetree/bindings/clock/qcom,gcc-apq8084.yaml

···
   compatible:
     const: qcom,gcc-apq8084
 
+  clocks:
+    items:
+      - description: XO source
+      - description: Sleep clock source
+      - description: UFS RX symbol 0 clock
+      - description: UFS RX symbol 1 clock
+      - description: UFS TX symbol 0 clock
+      - description: UFS TX symbol 1 clock
+      - description: SATA ASIC0 clock
+      - description: SATA RX clock
+      - description: PCIe PIPE clock
+
+  clock-names:
+    items:
+      - const: xo
+      - const: sleep_clk
+      - const: ufs_rx_symbol_0_clk_src
+      - const: ufs_rx_symbol_1_clk_src
+      - const: ufs_tx_symbol_0_clk_src
+      - const: ufs_tx_symbol_1_clk_src
+      - const: sata_asic0_clk
+      - const: sata_rx_clk
+      - const: pcie_pipe
+
 required:
   - compatible
 
···
 
 examples:
   - |
+    /* UFS PHY on APQ8084 is not supported (yet), so these bindings just serve an example */
     clock-controller@fc400000 {
         compatible = "qcom,gcc-apq8084";
         reg = <0xfc400000 0x4000>;
         #clock-cells = <1>;
         #reset-cells = <1>;
         #power-domain-cells = <1>;
+
+        clocks = <&xo_board>,
+                 <&sleep_clk>,
+                 <&ufsphy 0>,
+                 <&ufsphy 1>,
+                 <&ufsphy 2>,
+                 <&ufsphy 3>,
+                 <&sata 0>,
+                 <&sata 1>,
+                 <&pcie_phy>;
+        clock-names = "xo",
+                      "sleep_clk",
+                      "ufs_rx_symbol_0_clk_src",
+                      "ufs_rx_symbol_1_clk_src",
+                      "ufs_tx_symbol_0_clk_src",
+                      "ufs_tx_symbol_1_clk_src",
+                      "sata_asic0_clk",
+                      "sata_rx_clk",
+                      "pcie_pipe";
     };
 ...