linux-kernel - [PATCH v10 2/9] dt-bindings: phy: qcom,qmp-usb: Add IPQ9574 USB3 PHY

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Date:   Fri, 5 May 2023 13:05:03 +0530
From:   Varadarajan Narayanan <quic_varada@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <vkoul@...nel.org>,
        <kishon@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <gregkh@...uxfoundation.org>,
        <mturquette@...libre.com>, <sboyd@...nel.org>,
        <quic_wcheng@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>,
        <linux-clk@...r.kernel.org>
CC:     Varadarajan Narayanan <quic_varada@...cinc.com>
Subject: [PATCH v10 2/9] dt-bindings: phy: qcom,qmp-usb: Add IPQ9574 USB3 PHY

* Add dt-bindings for USB3 PHY found on Qualcomm IPQ9574

* Making power-domains as optional since IPQ9574 doesn't have GDSCs

Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
---
 Changes in v10:
	- Remove maxItems for clocks as it is present in top level

 Changes in v9:
	- Move 'allOf' to the correct position

 Changes in v8:
	- Update clock names for ipq9574

 Changes in v6:
	- Made power-domains optional

Note: In the earlier patch sets, had used the (legacy)
specification available in qcom,msm8996-qmp-usb3-phy.yaml. Moved
to newer specification in qcom,sc8280xp-qmp-usb3-uni-phy.yaml
---
 .../phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml        | 41 ++++++++++++++++++----
 1 file changed, 35 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml
index 16fce10..6982ac3 100644
--- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml
@@ -16,6 +16,7 @@ description:
 properties:
   compatible:
     enum:
+      - qcom,ipq9574-qmp-usb3-phy
       - qcom,sc8280xp-qmp-usb3-uni-phy
 
   reg:
@@ -25,11 +26,7 @@ properties:
     maxItems: 4
 
   clock-names:
-    items:
-      - const: aux
-      - const: ref
-      - const: com_aux
-      - const: pipe
+    maxItems: 4
 
   power-domains:
     maxItems: 1
@@ -60,7 +57,6 @@ required:
   - reg
   - clocks
   - clock-names
-  - power-domains
   - resets
   - reset-names
   - vdda-phy-supply
@@ -69,6 +65,39 @@ required:
   - clock-output-names
   - "#phy-cells"
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,ipq9574-qmp-usb3-phy
+    then:
+      properties:
+        clock-names:
+          items:
+            - const: aux
+            - const: ref
+            - const: cfg_ahb
+            - const: pipe
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sc8280xp-qmp-usb3-uni-phy
+    then:
+      properties:
+        clocks:
+          maxItems: 4
+        clock-names:
+          items:
+            - const: aux
+            - const: ref
+            - const: com_aux
+            - const: pipe
+
 additionalProperties: false
 
 examples:
-- 
2.7.4