Document the M31 USB2 phy present in IPQ5332 Signed-off-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx> Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx> --- .../devicetree/bindings/phy/qcom,m31.yaml | 69 ++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/qcom,m31.yaml diff --git a/Documentation/devicetree/bindings/phy/qcom,m31.yaml b/Documentation/devicetree/bindings/phy/qcom,m31.yaml new file mode 100644 index 0000000..8ad4ba4 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom,m31.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) + +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/qcom,m31.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm M31 USB PHY + +maintainers: + - Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx> + - Varadarajan Narayanan <quic_varada@xxxxxxxxxxx> + +description: + This file contains documentation for the USB M31 PHY found in Qualcomm + IPQ5018, IPQ5332 SoCs. + +properties: + compatible: + oneOf: + - items: + - enum: + - qcom,m31-usb-hsphy + - qcom,ipq5332-m31-usb-hsphy + + reg: + description: + Offset and length of the M31 PHY register set + maxItems: 2 + + reg-names: + items: + - const: m31usb_phy_base + - const: qscratch_base + + phy_type: + oneOf: + - items: + - enum: + - utmi + - ulpi + + resets: + maxItems: 1 + description: + List of phandles and reset pairs, one for each entry in reset-names. + + reset-names: + items: + - const: + usb2_phy_reset + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,ipq5332-gcc.h> + hs_m31phy_0: hs_m31phy@5b00 { + compatible = "qcom,m31-usb-hsphy"; + reg = <0x5b000 0x3000>, + <0x08af8800 0x400>; + reg-names = "m31usb_phy_base", + "qscratch_base"; + phy_type = "utmi"; + resets = <&gcc GCC_QUSB2_0_PHY_BCR>; + reset-names = "usb2_phy_reset"; + + status = "ok"; + }; -- 2.7.4