1TI PHY: DT DOCUMENTATION FOR PHYs in TI PLATFORMs
2
3OMAP CONTROL PHY
4
5Required properties:
6 - compatible: Should be one of
7 "ti,control-phy-otghs" - if it has otghs_control mailbox register as on OMAP4.
8 "ti,control-phy-usb2" - if it has Power down bit in control_dev_conf register
9                        e.g. USB2_PHY on OMAP5.
10 "ti,control-phy-pipe3" - if it has DPLL and individual Rx & Tx power control
11                        e.g. USB3 PHY and SATA PHY on OMAP5.
12 "ti,control-phy-usb2-dra7" - if it has power down register like USB2 PHY on
13                        DRA7 platform.
14 "ti,control-phy-usb2-am437" - if it has power down register like USB2 PHY on
15                        AM437 platform.
16 - reg : Address and length of the register set for the device. It contains
17   the address of "otghs_control" for control-phy-otghs or "power" register
18   for other types.
19 - reg-names: should be "otghs_control" control-phy-otghs and "power" for
20   other types.
21
22omap_control_usb: omap-control-usb@4a002300 {
23        compatible = "ti,control-phy-otghs";
24        reg = <0x4a00233c 0x4>;
25        reg-names = "otghs_control";
26};
27
28OMAP USB2 PHY
29
30Required properties:
31 - compatible: Should be "ti,omap-usb2"
32 - reg : Address and length of the register set for the device.
33 - #phy-cells: determine the number of cells that should be given in the
34   phandle while referencing this phy.
35 - clocks: a list of phandles and clock-specifier pairs, one for each entry in
36   clock-names.
37 - clock-names: should include:
38   * "wkupclk" - wakeup clock.
39   * "refclk" - reference clock (optional).
40
41Optional properties:
42 - ctrl-module : phandle of the control module used by PHY driver to power on
43   the PHY.
44
45This is usually a subnode of ocp2scp to which it is connected.
46
47usb2phy@4a0ad080 {
48	compatible = "ti,omap-usb2";
49	reg = <0x4a0ad080 0x58>;
50	ctrl-module = <&omap_control_usb>;
51	#phy-cells = <0>;
52	clocks = <&usb_phy_cm_clk32k>, <&usb_otg_ss_refclk960m>;
53	clock-names = "wkupclk", "refclk";
54};
55
56TI PIPE3 PHY
57
58Required properties:
59 - compatible: Should be "ti,phy-usb3" or "ti,phy-pipe3-sata".
60   "ti,omap-usb3" is deprecated.
61 - reg : Address and length of the register set for the device.
62 - reg-names: The names of the register addresses corresponding to the registers
63   filled in "reg".
64 - #phy-cells: determine the number of cells that should be given in the
65   phandle while referencing this phy.
66 - clocks: a list of phandles and clock-specifier pairs, one for each entry in
67   clock-names.
68 - clock-names: should include:
69   * "wkupclk" - wakeup clock.
70   * "sysclk" - system clock.
71   * "refclk" - reference clock.
72
73Optional properties:
74 - ctrl-module : phandle of the control module used by PHY driver to power on
75   the PHY.
76
77This is usually a subnode of ocp2scp to which it is connected.
78
79usb3phy@4a084400 {
80	compatible = "ti,phy-usb3";
81	reg = <0x4a084400 0x80>,
82	      <0x4a084800 0x64>,
83	      <0x4a084c00 0x40>;
84	reg-names = "phy_rx", "phy_tx", "pll_ctrl";
85	ctrl-module = <&omap_control_usb>;
86	#phy-cells = <0>;
87	clocks = <&usb_phy_cm_clk32k>,
88		 <&sys_clkin>,
89		 <&usb_otg_ss_refclk960m>;
90	clock-names =	"wkupclk",
91			"sysclk",
92			"refclk";
93};
94