forked from Minki/linux
00a0b1d58a
Added device tree support for omap musb driver and updated the Documentation with device tree binding information. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
34 lines
1.1 KiB
Plaintext
34 lines
1.1 KiB
Plaintext
OMAP GLUE
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OMAP MUSB GLUE
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- compatible : Should be "ti,omap4-musb" or "ti,omap3-musb"
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- ti,hwmods : must be "usb_otg_hs"
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- multipoint : Should be "1" indicating the musb controller supports
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multipoint. This is a MUSB configuration-specific setting.
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- num_eps : Specifies the number of endpoints. This is also a
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MUSB configuration-specific setting. Should be set to "16"
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- ram_bits : Specifies the ram address size. Should be set to "12"
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- interface_type : This is a board specific setting to describe the type of
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interface between the controller and the phy. It should be "0" or "1"
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specifying ULPI and UTMI respectively.
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- mode : Should be "3" to represent OTG. "1" signifies HOST and "2"
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represents PERIPHERAL.
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- power : Should be "50". This signifies the controller can supply upto
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100mA when operating in host mode.
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SOC specific device node entry
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usb_otg_hs: usb_otg_hs@4a0ab000 {
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compatible = "ti,omap4-musb";
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ti,hwmods = "usb_otg_hs";
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multipoint = <1>;
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num_eps = <16>;
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ram_bits = <12>;
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};
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Board specific device node entry
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&usb_otg_hs {
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interface_type = <1>;
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mode = <3>;
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power = <50>;
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};
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