dt-bindings: clock: Convert qcom,lcc to DT schema

Convert the text bindings for the lcc to yaml format. Doing this showed
that clocks and clock-names were not documented, so fix that now.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221016143514.612851-1-luca@z3ntu.xyz

Documentation/devicetree/bindings/clock/qcom,lcc.txt

-Qualcomm LPASS Clock & Reset Controller Binding
-------------------------------------------------
-
-Required properties :
-- compatible : shall contain only one of the following:
-
-			"qcom,lcc-msm8960"
-			"qcom,lcc-apq8064"
-			"qcom,lcc-ipq8064"
-			"qcom,lcc-mdm9615"
-
-- reg : shall contain base register location and length
-- #clock-cells : shall contain 1
-- #reset-cells : shall contain 1
-
-Example:
-	clock-controller@28000000 {
-		compatible = "qcom,lcc-ipq8064";
-		reg = <0x28000000 0x1000>;
-		#clock-cells = <1>;
-		#reset-cells = <1>;
-	};

Documentation/devicetree/bindings/clock/qcom,lcc.yaml

+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,lcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm LPASS Clock & Reset Controller
+
+maintainers:
+  - Bjorn Andersson <andersson@kernel.org>
+
+properties:
+  compatible:
+    enum:
+      - qcom,lcc-apq8064
+      - qcom,lcc-ipq8064
+      - qcom,lcc-mdm9615
+      - qcom,lcc-msm8960
+
+  clocks:
+    maxItems: 8
+
+  clock-names:
+    maxItems: 8
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+  - '#reset-cells'
+
+additionalProperties: false
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,lcc-apq8064
+              - qcom,lcc-msm8960
+    then:
+      properties:
+        clocks:
+          items:
+            - description: Board PXO source
+            - description: PLL 4 Vote clock
+            - description: MI2S codec clock
+            - description: Mic I2S codec clock
+            - description: Mic I2S spare clock
+            - description: Speaker I2S codec clock
+            - description: Speaker I2S spare clock
+            - description: PCM codec clock
+
+        clock-names:
+          items:
+            - const: pxo
+            - const: pll4_vote
+            - const: mi2s_codec_clk
+            - const: codec_i2s_mic_codec_clk
+            - const: spare_i2s_mic_codec_clk
+            - const: codec_i2s_spkr_codec_clk
+            - const: spare_i2s_spkr_codec_clk
+            - const: pcm_codec_clk
+
+      required:
+        - clocks
+        - clock-names
+
+examples:
+  - |
+    clock-controller@28000000 {
+        compatible = "qcom,lcc-ipq8064";
+        reg = <0x28000000 0x1000>;
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+    };