dt-bindings: phy: add QMP PCIe PHY schema

The QMP PHY DT schema is getting unwieldy. Break out the PCIe PHY
binding in a separate file.

Add an example node based on a cleaned up version of sm8250.dtsi.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20220830112923.3725-13-johan+linaro@kernel.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/phy/qcom,qmp-pcie-phy.yaml

+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/qcom,qmp-pcie-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm QMP PHY controller (PCIe)
+
+maintainers:
+  - Vinod Koul <vkoul@kernel.org>
+
+description:
+  QMP PHY controller supports physical layer functionality for a number of
+  controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB.
+
+properties:
+  compatible:
+    enum:
+      - qcom,ipq6018-qmp-pcie-phy
+      - qcom,ipq8074-qmp-gen3-pcie-phy
+      - qcom,ipq8074-qmp-pcie-phy
+      - qcom,msm8998-qmp-pcie-phy
+      - qcom,sc8180x-qmp-pcie-phy
+      - qcom,sdm845-qhp-pcie-phy
+      - qcom,sdm845-qmp-pcie-phy
+      - qcom,sdx55-qmp-pcie-phy
+      - qcom,sm8250-qmp-gen3x1-pcie-phy
+      - qcom,sm8250-qmp-gen3x2-pcie-phy
+      - qcom,sm8250-qmp-modem-pcie-phy
+      - qcom,sm8450-qmp-gen3x1-pcie-phy
+      - qcom,sm8450-qmp-gen4x2-pcie-phy
+
+  reg:
+    items:
+      - description: serdes
+
+  "#address-cells":
+    enum: [ 1, 2 ]
+
+  "#size-cells":
+    enum: [ 1, 2 ]
+
+  ranges: true
+
+  clocks:
+    minItems: 2
+    maxItems: 4
+
+  clock-names:
+    minItems: 2
+    maxItems: 4
+
+  resets:
+    minItems: 1
+    maxItems: 2
+
+  reset-names:
+    minItems: 1
+    maxItems: 2
+
+  vdda-phy-supply: true
+
+  vdda-pll-supply: true
+
+  vddp-ref-clk-supply: true
+
+patternProperties:
+  "^phy@[0-9a-f]+$":
+    type: object
+    description: single PHY-provider child node
+
+required:
+  - compatible
+  - reg
+  - "#address-cells"
+  - "#size-cells"
+  - ranges
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+
+additionalProperties: false
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,msm8998-qmp-pcie-phy
+    then:
+      properties:
+        clocks:
+          maxItems: 3
+        clock-names:
+          items:
+            - const: aux
+            - const: cfg_ahb
+            - const: ref
+        resets:
+          maxItems: 2
+        reset-names:
+          items:
+            - const: phy
+            - const: common
+      required:
+        - vdda-phy-supply
+        - vdda-pll-supply
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,ipq6018-qmp-pcie-phy
+              - qcom,ipq8074-qmp-gen3-pcie-phy
+              - qcom,ipq8074-qmp-pcie-phy
+    then:
+      properties:
+        clocks:
+          maxItems: 2
+        clock-names:
+          items:
+            - const: aux
+            - const: cfg_ahb
+        resets:
+          maxItems: 2
+        reset-names:
+          items:
+            - const: phy
+            - const: common
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sc8180x-qmp-pcie-phy
+              - qcom,sdm845-qhp-pcie-phy
+              - qcom,sdm845-qmp-pcie-phy
+              - qcom,sdx55-qmp-pcie-phy
+              - qcom,sm8250-qmp-gen3x1-pcie-phy
+              - qcom,sm8250-qmp-gen3x2-pcie-phy
+              - qcom,sm8250-qmp-modem-pcie-phy
+              - qcom,sm8450-qmp-gen3x1-pcie-phy
+              - qcom,sm8450-qmp-gen4x2-pcie-phy
+    then:
+      properties:
+        clocks:
+          maxItems: 4
+        clock-names:
+          items:
+            - const: aux
+            - const: cfg_ahb
+            - const: ref
+            - const: refgen
+        resets:
+          maxItems: 1
+        reset-names:
+          items:
+            - const: phy
+      required:
+        - vdda-phy-supply
+        - vdda-pll-supply
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-sm8250.h>
+    phy-wrapper@1c0e000 {
+        compatible = "qcom,sm8250-qmp-gen3x2-pcie-phy";
+        reg = <0x01c0e000 0x1c0>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges = <0x0 0x01c0e000 0x1000>;
+
+        clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>,
+                 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
+                 <&gcc GCC_PCIE_WIGIG_CLKREF_EN>,
+                 <&gcc GCC_PCIE1_PHY_REFGEN_CLK>;
+        clock-names = "aux", "cfg_ahb", "ref", "refgen";
+
+        resets = <&gcc GCC_PCIE_1_PHY_BCR>;
+        reset-names = "phy";
+
+        vdda-phy-supply = <&vreg_l10c_0p88>;
+        vdda-pll-supply = <&vreg_l6b_1p2>;
+
+        phy@200 {
+            reg = <0x200 0x170>,
+                  <0x400 0x200>,
+                  <0xa00 0x1f0>,
+                  <0x600 0x170>,
+                  <0x800 0x200>,
+                  <0xe00 0xf4>;
+
+            clocks = <&gcc GCC_PCIE_1_PIPE_CLK>;
+            clock-names = "pipe0";
+
+            #clock-cells = <0>;
+            clock-output-names = "pcie_1_pipe_clk";
+
+            #phy-cells = <0>;
+        };
+    };

Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml

@@ -17,29 +17,21 @@ description:
 properties:
   compatible:
     enum:
-      - qcom,ipq6018-qmp-pcie-phy
       - qcom,ipq6018-qmp-usb3-phy
-      - qcom,ipq8074-qmp-gen3-pcie-phy
-      - qcom,ipq8074-qmp-pcie-phy
       - qcom,ipq8074-qmp-usb3-phy
       - qcom,msm8996-qmp-ufs-phy
       - qcom,msm8996-qmp-usb3-phy
-      - qcom,msm8998-qmp-pcie-phy
       - qcom,msm8998-qmp-ufs-phy
       - qcom,msm8998-qmp-usb3-phy
       - qcom,qcm2290-qmp-usb3-phy
       - qcom,sc7180-qmp-usb3-phy
-      - qcom,sc8180x-qmp-pcie-phy
       - qcom,sc8180x-qmp-ufs-phy
       - qcom,sc8180x-qmp-usb3-phy
       - qcom,sc8280xp-qmp-ufs-phy
       - qcom,sc8280xp-qmp-usb3-uni-phy
-      - qcom,sdm845-qhp-pcie-phy
-      - qcom,sdm845-qmp-pcie-phy
       - qcom,sdm845-qmp-ufs-phy
       - qcom,sdm845-qmp-usb3-phy
       - qcom,sdm845-qmp-usb3-uni-phy
-      - qcom,sdx55-qmp-pcie-phy
       - qcom,sdx55-qmp-usb3-uni-phy
       - qcom,sdx65-qmp-usb3-uni-phy
       - qcom,sm6115-qmp-ufs-phy
@@ -47,17 +39,12 @@ properties:
       - qcom,sm8150-qmp-ufs-phy
       - qcom,sm8150-qmp-usb3-phy
       - qcom,sm8150-qmp-usb3-uni-phy
-      - qcom,sm8250-qmp-gen3x1-pcie-phy
-      - qcom,sm8250-qmp-gen3x2-pcie-phy
-      - qcom,sm8250-qmp-modem-pcie-phy
       - qcom,sm8250-qmp-ufs-phy
       - qcom,sm8250-qmp-usb3-phy
       - qcom,sm8250-qmp-usb3-uni-phy
       - qcom,sm8350-qmp-ufs-phy
       - qcom,sm8350-qmp-usb3-phy
       - qcom,sm8350-qmp-usb3-uni-phy
-      - qcom,sm8450-qmp-gen3x1-pcie-phy
-      - qcom,sm8450-qmp-gen4x2-pcie-phy
       - qcom,sm8450-qmp-ufs-phy
       - qcom,sm8450-qmp-usb3-phy
 
@@ -173,7 +160,6 @@ allOf:
             enum:
               - qcom,ipq8074-qmp-usb3-phy
               - qcom,msm8996-qmp-usb3-phy
-              - qcom,msm8998-qmp-pcie-phy
               - qcom,msm8998-qmp-usb3-phy
     then:
       properties:
@@ -242,60 +228,6 @@ allOf:
       required:
         - vdda-phy-supply
         - vdda-pll-supply
-  - if:
-      properties:
-        compatible:
-          contains:
-            enum:
-              - qcom,ipq6018-qmp-pcie-phy
-              - qcom,ipq8074-qmp-gen3-pcie-phy
-              - qcom,ipq8074-qmp-pcie-phy
-    then:
-      properties:
-        clocks:
-          maxItems: 2
-        clock-names:
-          items:
-            - const: aux
-            - const: cfg_ahb
-        resets:
-          maxItems: 2
-        reset-names:
-          items:
-            - const: phy
-            - const: common
-  - if:
-      properties:
-        compatible:
-          contains:
-            enum:
-              - qcom,sc8180x-qmp-pcie-phy
-              - qcom,sdm845-qhp-pcie-phy
-              - qcom,sdm845-qmp-pcie-phy
-              - qcom,sdx55-qmp-pcie-phy
-              - qcom,sm8250-qmp-gen3x1-pcie-phy
-              - qcom,sm8250-qmp-gen3x2-pcie-phy
-              - qcom,sm8250-qmp-modem-pcie-phy
-              - qcom,sm8450-qmp-gen3x1-pcie-phy
-              - qcom,sm8450-qmp-gen4x2-pcie-phy
-    then:
-      properties:
-        clocks:
-          maxItems: 4
-        clock-names:
-          items:
-            - const: aux
-            - const: cfg_ahb
-            - const: ref
-            - const: refgen
-        resets:
-          maxItems: 1
-        reset-names:
-          items:
-            - const: phy
-      required:
-        - vdda-phy-supply
-        - vdda-pll-supply
   - if:
       properties:
         compatible: