1 OMAP GLUE AND OTHER OMAP SPECIFIC COMPONENTS 1 OMAP GLUE AND OTHER OMAP SPECIFIC COMPONENTS
2 2
3 OMAP MUSB GLUE 3 OMAP MUSB GLUE
4 - compatible : Should be "ti,omap4-musb" or " 4 - compatible : Should be "ti,omap4-musb" or "ti,omap3-musb"
5 - ti,hwmods : must be "usb_otg_hs" 5 - ti,hwmods : must be "usb_otg_hs"
6 - multipoint : Should be "1" indicating the m 6 - multipoint : Should be "1" indicating the musb controller supports
7 multipoint. This is a MUSB configuration-sp 7 multipoint. This is a MUSB configuration-specific setting.
8 - num-eps : Specifies the number of endpoints 8 - num-eps : Specifies the number of endpoints. This is also a
9 MUSB configuration-specific setting. Should 9 MUSB configuration-specific setting. Should be set to "16"
10 - ram-bits : Specifies the ram address size. 10 - ram-bits : Specifies the ram address size. Should be set to "12"
11 - interface-type : This is a board specific s 11 - interface-type : This is a board specific setting to describe the type of
12 interface between the controller and the ph 12 interface between the controller and the phy. It should be "0" or "1"
13 specifying ULPI and UTMI respectively. 13 specifying ULPI and UTMI respectively.
14 - mode : Should be "3" to represent OTG. "1" 14 - mode : Should be "3" to represent OTG. "1" signifies HOST and "2"
15 represents PERIPHERAL. 15 represents PERIPHERAL.
16 - power : Should be "50". This signifies the 16 - power : Should be "50". This signifies the controller can supply up to
17 100mA when operating in host mode. 17 100mA when operating in host mode.
18 - usb-phy : the phandle for the PHY device 18 - usb-phy : the phandle for the PHY device
19 - phys : the phandle for the PHY device (used 19 - phys : the phandle for the PHY device (used by generic PHY framework)
20 - phy-names : the names of the PHY correspond 20 - phy-names : the names of the PHY corresponding to the PHYs present in the
21 *phy* phandle. 21 *phy* phandle.
22 22
23 Optional properties: 23 Optional properties:
24 - ctrl-module : phandle of the control module 24 - ctrl-module : phandle of the control module this glue uses to write to
25 mailbox 25 mailbox
26 26
27 SOC specific device node entry 27 SOC specific device node entry
28 usb_otg_hs: usb_otg_hs@4a0ab000 { 28 usb_otg_hs: usb_otg_hs@4a0ab000 {
29 compatible = "ti,omap4-musb"; 29 compatible = "ti,omap4-musb";
30 ti,hwmods = "usb_otg_hs"; 30 ti,hwmods = "usb_otg_hs";
31 multipoint = <1>; 31 multipoint = <1>;
32 num-eps = <16>; 32 num-eps = <16>;
33 ram-bits = <12>; 33 ram-bits = <12>;
34 ctrl-module = <&omap_control_usb>; 34 ctrl-module = <&omap_control_usb>;
35 phys = <&usb2_phy>; 35 phys = <&usb2_phy>;
36 phy-names = "usb2-phy"; 36 phy-names = "usb2-phy";
37 }; 37 };
38 38
39 Board specific device node entry 39 Board specific device node entry
40 &usb_otg_hs { 40 &usb_otg_hs {
41 interface-type = <1>; 41 interface-type = <1>;
42 mode = <3>; 42 mode = <3>;
43 power = <50>; 43 power = <50>;
44 }; 44 };
45 45
46 OMAP DWC3 GLUE 46 OMAP DWC3 GLUE
47 - compatible : Should be 47 - compatible : Should be
48 * "ti,dwc3" for OMAP5 and DRA7 48 * "ti,dwc3" for OMAP5 and DRA7
49 * "ti,am437x-dwc3" for AM437x 49 * "ti,am437x-dwc3" for AM437x
50 - ti,hwmods : Should be "usb_otg_ss" 50 - ti,hwmods : Should be "usb_otg_ss"
51 - reg : Address and length of the register se 51 - reg : Address and length of the register set for the device.
52 - interrupts : The irq number of this device 52 - interrupts : The irq number of this device that is used to interrupt the
53 MPU 53 MPU
54 - #address-cells, #size-cells : Must be prese 54 - #address-cells, #size-cells : Must be present if the device has sub-nodes
55 - utmi-mode : controls the source of UTMI/PIP 55 - utmi-mode : controls the source of UTMI/PIPE status for VBUS and OTG ID.
56 It should be set to "1" for HW mode and "2" 56 It should be set to "1" for HW mode and "2" for SW mode.
57 - ranges: the child address space are mapped 57 - ranges: the child address space are mapped 1:1 onto the parent address space
58 58
59 Optional Properties: 59 Optional Properties:
60 - extcon : phandle for the extcon device omap 60 - extcon : phandle for the extcon device omap dwc3 uses to detect
61 connect/disconnect events. 61 connect/disconnect events.
62 - vbus-supply : phandle to the regulator devi 62 - vbus-supply : phandle to the regulator device tree node if needed.
63 63
64 Sub-nodes: 64 Sub-nodes:
65 The dwc3 core should be added as subnode to om 65 The dwc3 core should be added as subnode to omap dwc3 glue.
66 - dwc3 : 66 - dwc3 :
67 The binding details of dwc3 can be found in 67 The binding details of dwc3 can be found in:
68 Documentation/devicetree/bindings/usb/snps, 68 Documentation/devicetree/bindings/usb/snps,dwc3.yaml
69 69
70 omap_dwc3 { 70 omap_dwc3 {
71 compatible = "ti,dwc3"; 71 compatible = "ti,dwc3";
72 ti,hwmods = "usb_otg_ss"; 72 ti,hwmods = "usb_otg_ss";
73 reg = <0x4a020000 0x1ff>; 73 reg = <0x4a020000 0x1ff>;
74 interrupts = <0 93 4>; 74 interrupts = <0 93 4>;
75 #address-cells = <1>; 75 #address-cells = <1>;
76 #size-cells = <1>; 76 #size-cells = <1>;
77 utmi-mode = <2>; 77 utmi-mode = <2>;
78 ranges; 78 ranges;
79 }; 79 };
80 80
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