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Qualcomm's USB HS PHY
PROPERTIES
- compatible:
Usage: required
Value type: <string>
Definition: Should contain "qcom,usb-hs-phy" and more specifically one of the
following:
"qcom,usb-hs-phy-apq8064"
"qcom,usb-hs-phy-msm8916"
"qcom,usb-hs-phy-msm8974"
- #phy-cells:
Usage: required
Value type: <u32>
Definition: Should contain 0
- clocks:
Usage: required
Value type: <prop-encoded-array>
Definition: Should contain clock specifier for the reference and sleep
clocks
- clock-names:
Usage: required
Value type: <stringlist>
Definition: Should contain "ref" and "sleep" for the reference and sleep
clocks respectively
- resets:
Usage: required
Value type: <prop-encoded-array>
Definition: Should contain the phy and POR resets
- reset-names:
Usage: required
Value type: <stringlist>
Definition: Should contain "phy" and "por" for the phy and POR resets
respectively
- v3p3-supply:
Usage: required
Value type: <phandle>
Definition: Should contain a reference to the 3.3V supply
- v1p8-supply:
Usage: required
Value type: <phandle>
Definition: Should contain a reference to the 1.8V supply
- extcon:
Usage: optional
Value type: <prop-encoded-array>
Definition: Should contain the vbus extcon
- qcom,init-seq:
Usage: optional
Value type: <u8 array>
Definition: Should contain a sequence of ULPI address and value pairs to
program into the ULPI_EXT_VENDOR_SPECIFIC area. This is related
to Device Mode Eye Diagram test. The addresses are offsets
from the ULPI_EXT_VENDOR_SPECIFIC address, for example,
<0x1 0x53> would mean "write the value 0x53 to address 0x81".
EXAMPLE
otg: usb-controller {
ulpi {
phy {
compatible = "qcom,usb-hs-phy-msm8974", "qcom,usb-hs-phy";
#phy-cells = <0>;
clocks = <&xo_board>, <&gcc GCC_USB2A_PHY_SLEEP_CLK>;
clock-names = "ref", "sleep";
resets = <&gcc GCC_USB2A_PHY_BCR>, <&otg 0>;
reset-names = "phy", "por";
v3p3-supply = <&pm8941_l24>;
v1p8-supply = <&pm8941_l6>;
extcon = <&smbb>;
qcom,init-seq = /bits/ 8 <0x1 0x63>;
};
};
};
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