dt-bindings: bluetooth: qcom,qca6390-bt: Split to separate schema

One big Qualcomm Bluetooth schema is hardly manageable: it lists all
possible properties (19 supplies). Split qcom,qca6390-bt to separate
bindings, so device schema will be easier to read/maintain and list only
relevant properties.

Reviewed-by: Rob Herring (Arm) <[e-mail]>
Reviewed-by: Bjorn Andersson <[e-mail]>
Reviewed-by: Bartosz Golaszewski <[e-mail]>
Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Luiz Augusto von Dentz <[e-mail]>

Documentation/devicetree/bindings/net/bluetooth/qcom,qca6390-bt.yaml

···
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/bluetooth/qcom,qca6390-bt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm QCA6390 Bluetooth
+
+maintainers:
+  - Balakrishna Godavarthi <[e-mail]>
+  - Rocky Liao <[e-mail]>
+
+properties:
+  compatible:
+    enum:
+      - qcom,qca6390-bt
+
+  vddaon-supply:
+    description: VDD_AON supply regulator handle
+
+  vddbtcmx-supply:
+    description: VDD_BT_CMX supply regulator handle
+
+  vddrfa0p8-supply:
+    description: VDD_RFA_0P8 supply regulator handle
+
+  vddrfa1p2-supply:
+    description: VDD_RFA_1P2 supply regulator handle
+
+  vddrfa1p7-supply:
+    description: VDD_RFA_1P7 supply regulator handle
+
+  vddrfacmn-supply:
+    description: VDD_RFA_CMN supply regulator handle
+
+required:
+  - compatible
+  - vddaon-supply
+  - vddbtcmx-supply
+  - vddrfa0p8-supply
+  - vddrfa1p2-supply
+  - vddrfa1p7-supply
+  - vddrfacmn-supply
+
+allOf:
+  - $ref: bluetooth-controller.yaml#
+  - $ref: qcom,bluetooth-common.yaml
+  - $ref: /schemas/serial/serial-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    serial {
+        bluetooth {
+            compatible = "qcom,qca6390-bt";
+            vddaon-supply = <&vreg_pmu_aon_0p59>;
+            vddbtcmx-supply = <&vreg_pmu_btcmx_0p85>;
+            vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;
+            vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;
+            vddrfa1p7-supply = <&vreg_pmu_rfa_1p7>;
+            vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
+        };
+    };

Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml

···
       - qcom,wcn3990-bt
       - qcom,wcn3991-bt
       - qcom,wcn3998-bt
-      - qcom,qca6390-bt
       - qcom,wcn6750-bt
       - qcom,wcn6855-bt
       - qcom,wcn7850-bt
···
         - vddrfa0p8-supply
         - vddrfa1p2-supply
         - vddrfa1p8-supply
-  - if:
-      properties:
-        compatible:
-          contains:
-            enum:
-              - qcom,qca6390-bt
-    then:
-      required:
-        - vddrfacmn-supply
-        - vddaon-supply
-        - vddbtcmx-supply
-        - vddrfa0p8-supply
-        - vddrfa1p2-supply
-        - vddrfa1p7-supply
 
 examples:
   - |