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Message-ID: <20230929084209.3033093-2-quic_ipkumar@quicinc.com>
Date: Fri, 29 Sep 2023 14:12:02 +0530
From: Praveenkumar I <quic_ipkumar@...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>, <conor+dt@...nel.org>,
<gregkh@...uxfoundation.org>, <catalin.marinas@....com>,
<will@...nel.org>, <p.zabel@...gutronix.de>,
<geert+renesas@...der.be>, <arnd@...db.de>,
<neil.armstrong@...aro.org>, <nfraprado@...labora.com>,
<u-kumar1@...com>, <peng.fan@....com>, <quic_wcheng@...cinc.com>,
<quic_varada@...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_kathirav@...cinc.com>, <quic_nsekar@...cinc.com>,
<quic_srichara@...cinc.com>
Subject: [PATCH 1/8] dt-bindings: phy: qcom,uniphy-usb: Document qcom,uniphy-usb phy
Document the Qualcomm USB3 22ull UNIPHY present in IPQ5332.
Signed-off-by: Praveenkumar I <quic_ipkumar@...cinc.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@...cinc.com>
+ - Varadarajan Narayanan <quic_varada@...cinc.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@...000 {
+ 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 = <®ulator_fixed_5p0>;
+ };
--
2.34.1
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