Document the Qualcomm USB3 22ull UNIPHY present in IPQ5332. Signed-off-by: Praveenkumar I <quic_ipkumar@xxxxxxxxxxx> --- .../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@xxxxxxxxxxx> + - Varadarajan Narayanan <quic_varada@xxxxxxxxxxx> + +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 = <®ulator_fixed_5p0>; + }; -- 2.34.1