xref: /freebsd/sys/contrib/device-tree/Bindings/phy/qcom,usb-hs-phy.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71) 
1Qualcomm's USB HS PHY
2
3PROPERTIES
4
5- compatible:
6    Usage: required
7    Value type: <string>
8    Definition: Should contain "qcom,usb-hs-phy" and more specifically one of the
9                following:
10
11                        "qcom,usb-hs-phy-apq8064"
12                        "qcom,usb-hs-phy-msm8916"
13                        "qcom,usb-hs-phy-msm8974"
14
15- #phy-cells:
16    Usage: required
17    Value type: <u32>
18    Definition: Should contain 0
19
20- clocks:
21    Usage: required
22    Value type: <prop-encoded-array>
23    Definition: Should contain clock specifier for the reference and sleep
24                clocks
25
26- clock-names:
27    Usage: required
28    Value type: <stringlist>
29    Definition: Should contain "ref" and "sleep" for the reference and sleep
30                clocks respectively
31
32- resets:
33    Usage: required
34    Value type: <prop-encoded-array>
35    Definition: Should contain the phy and POR resets
36
37- reset-names:
38    Usage: required
39    Value type: <stringlist>
40    Definition: Should contain "phy" and "por" for the phy and POR resets
41                respectively
42
43- v3p3-supply:
44    Usage: required
45    Value type: <phandle>
46    Definition: Should contain a reference to the 3.3V supply
47
48- v1p8-supply:
49    Usage: required
50    Value type: <phandle>
51    Definition: Should contain a reference to the 1.8V supply
52
53- extcon:
54    Usage: optional
55    Value type: <prop-encoded-array>
56    Definition: Should contain the vbus extcon
57
58- qcom,init-seq:
59    Usage: optional
60    Value type: <u8 array>
61    Definition: Should contain a sequence of ULPI address and value pairs to
62                program into the ULPI_EXT_VENDOR_SPECIFIC area. This is related
63                to Device Mode Eye Diagram test. The addresses are offsets
64                from the ULPI_EXT_VENDOR_SPECIFIC address, for example,
65                <0x1 0x53> would mean "write the value 0x53 to address 0x81".
66
67EXAMPLE
68
69otg: usb-controller {
70	ulpi {
71		phy {
72			compatible = "qcom,usb-hs-phy-msm8974", "qcom,usb-hs-phy";
73			#phy-cells = <0>;
74			clocks = <&xo_board>, <&gcc GCC_USB2A_PHY_SLEEP_CLK>;
75			clock-names = "ref", "sleep";
76			resets = <&gcc GCC_USB2A_PHY_BCR>, <&otg 0>;
77			reset-names = "phy", "por";
78			v3p3-supply = <&pm8941_l24>;
79			v1p8-supply = <&pm8941_l6>;
80			extcon = <&smbb>;
81			qcom,init-seq = /bits/ 8 <0x1 0x63>;
82		};
83	};
84};
85