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Subject: [PATCH 1/8] dt-bindings: phy: qcom,uniphy-usb: Document qcom,uniphy-usb phy
Date:   Fri, 29 Sep 2023 14:12:02 +0530
Message-ID: <20230929084209.3033093-2-quic_ipkumar@quicinc.com>
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Document the Qualcomm USB3 22ull UNIPHY present in IPQ5332.

Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
---
 .../bindings/phy/qcom,ipq5332-usb-uniphy.yaml | 83 +++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-uniphy.yaml

diff --git a/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-uniphy.yaml b/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-uniphy.yaml
new file mode 100644
index 000000000000..90434cee9cdd
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-uniphy.yaml
@@ -0,0 +1,83 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/qcom,ipq5332-usb-uniphy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm USB Super-Speed UNIPHY
+
+maintainers:
+  - Praveenkumar I <quic_ipkumar@quicinc.com>
+  - Varadarajan Narayanan <quic_varada@quicinc.com>
+
+description:
+  USB Super-Speed UNIPHY found in Qualcomm IPQ5332, IPQ5018 SoCs.
+
+properties:
+  compatible:
+    items:
+      - const: qcom,ipq5332-usb-ssphy
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 3
+
+  clock-names:
+    items:
+      - const: ahb
+      - const: cfg_ahb
+      - const: pipe
+
+  resets:
+    maxItems: 1
+
+  vdd-supply:
+    description:
+      Phandle to 5V regulator supply to PHY digital circuit.
+
+  qcom,phy-usb-mux-sel:
+    description: PHY Mux Selection for USB
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    items:
+      - items:
+          - description: phandle of TCSR syscon
+          - description: offset of PHY Mux selection register
+
+  "#clock-cells":
+    const: 0
+
+  clock-output-names:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,ipq5332-gcc.h>
+    usb-phy@4b0000 {
+        compatible = "qcom,ipq5332-usb-uniphy";
+        reg = <0x4b0000 0x800>;
+
+        clocks = <&gcc GCC_PCIE3X1_PHY_AHB_CLK>,
+                 <&gcc GCC_USB0_PHY_CFG_AHB_CLK>,
+                 <&gcc GCC_USB0_PIPE_CLK>;
+        clock-names = "ahb",
+                      "cfg_ahb",
+                      "pipe";
+
+        resets =  <&gcc GCC_USB0_PHY_BCR>;
+
+        #clock-cells = <0>;
+        clock-output-names = "usb0_pipe_clk_src";
+
+        #phy-cells = <0>;
+
+        qcom,phy-usb-mux-sel = <&tcsr 0x10540>;
+
+        vdd-supply = <&regulator_fixed_5p0>;
+    };
-- 
2.34.1