linux-kernel - [PATCH 4/9] dt-bindings: phy: qcom,uniphy: Add ipq5332 USB3 SS UNIPHY

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Message-ID: <20230829135818.2219438-5-quic_ipkumar@quicinc.com>
Date:   Tue, 29 Aug 2023 19:28:13 +0530
From:   Praveenkumar I <quic_ipkumar@...cinc.com>
To:     <robert.marko@...tura.hr>, <luka.perkov@...tura.hr>,
        <quic_ipkumar@...cinc.com>, <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>, <conor+dt@...nel.org>,
        <gregkh@...uxfoundation.org>, <catalin.marinas@....com>,
        <will@...nel.org>, <p.zabel@...gutronix.de>, <arnd@...db.de>,
        <geert+renesas@...der.be>, <nfraprado@...labora.com>,
        <rafal@...ecki.pl>, <peng.fan@....com>, <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-arm-kernel@...ts.infradead.org>
CC:     <quic_varada@...cinc.com>
Subject: [PATCH 4/9] dt-bindings: phy: qcom,uniphy: Add ipq5332 USB3 SS UNIPHY

Add ipq5332 USB3 SS UNIPHY support.

Signed-off-by: Praveenkumar I <quic_ipkumar@...cinc.com>
---
 .../devicetree/bindings/phy/qcom,uniphy.yaml  | 117 +++++++++++++++++-
 1 file changed, 114 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/qcom,uniphy.yaml b/Documentation/devicetree/bindings/phy/qcom,uniphy.yaml
index cbe2cc820009..17ba661b3d9b 100644
--- a/Documentation/devicetree/bindings/phy/qcom,uniphy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,uniphy.yaml
@@ -19,21 +19,53 @@ properties:
     enum:
       - qcom,usb-ss-ipq4019-phy
       - qcom,usb-hs-ipq4019-phy
+      - qcom,ipq5332-usb-ssphy
 
   reg:
     maxItems: 1
 
+  reg-names:
+    items:
+      - const: phy_base
+
+  clocks:
+    maxItems: 3
+
+  clock-names:
+    maxItems: 3
+
+  "#clock-cells":
+    const: 0
+
   resets:
+    minItems: 1
     maxItems: 2
 
   reset-names:
-    items:
-      - const: por_rst
-      - const: srif_rst
+    minItems: 1
+    maxItems: 2
+
+  clock-output-names:
+    maxItems: 1
 
   "#phy-cells":
     const: 0
 
+  qcom,phy-mux-sel:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description:
+      PHY Mux Selection for used to select which interface is going to use the
+      combo PHY.
+    items:
+      - items:
+          - description: phandle to TCSR syscon region
+          - description: offset to the PHY Mux selection register
+          - description: value to write on the PHY Mux selection register
+
+  vdd-supply:
+    description:
+      Phandle to 5V regulator supply to PHY digital circuit.
+
 required:
   - compatible
   - reg
@@ -41,6 +73,68 @@ required:
   - reset-names
   - "#phy-cells"
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,ipq5332-usb-ssphy
+    then:
+      properties:
+        clocks:
+          maxItems: 3
+        clock-names:
+          items:
+            - const: pipe
+            - const: phy_cfg_ahb
+            - const: phy_ahb
+
+        "#clock-cells":
+          const: 0
+
+        clock-output-names:
+          maxItems: 1
+
+        resets:
+          maxItems: 1
+        reset-names:
+          items:
+            - const: por_rst
+
+        vdda-supply:
+          description:
+            Phandle to 5V regulator supply to PHY digital circuit.
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,usb-ss-ipq4019-phy
+    then:
+      properties:
+        resets:
+          maxItems: 1
+        reset-names:
+          items:
+            - const: por_rst
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,usb-hs-ipq4019-phy
+    then:
+      properties:
+        resets:
+          maxItems: 2
+        reset-names:
+          items:
+            - const: por_rst
+            - const: srif_rst
+
 additionalProperties: false
 
 examples:
@@ -55,3 +149,20 @@ examples:
                <&gcc USB2_HSPHY_S_ARES>;
       reset-names = "por_rst", "srif_rst";
     };
+
+  - |
+    #include <dt-bindings/clock/qcom,ipq5332-gcc.h>
+
+    ssuniphy@...000 {
+      #phy-cells = <0>;
+      #clock-cells = <0>;
+      compatible = "qcom,ipq5332-usb-ssphy";
+      reg = <0x4b0000 0x800>;
+      clocks = <&gcc GCC_USB0_PIPE_CLK>,
+               <&gcc GCC_USB0_PHY_CFG_AHB_CLK>,
+               <&gcc GCC_PCIE3X1_PHY_AHB_CLK>;
+      clock-names = "pipe", "phy_cfg_ahb", "phy_ahb";
+
+      resets = <&gcc GCC_USB0_PHY_BCR>;
+      reset-names = "por_rst";
+    };
-- 
2.34.1