2012-08-31 11:09:53 +00:00
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AM33XX MUSB GLUE
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- compatible : Should be "ti,musb-am33xx"
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2012-11-06 13:56:06 +00:00
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- reg : offset and length of register sets, first usbss, then for musb instances
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- interrupts : usbss, musb instance interrupts in order
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2012-08-31 11:09:53 +00:00
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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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2012-11-06 15:17:35 +00:00
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- num-eps : Specifies the number of endpoints. This is also a
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2012-08-31 11:09:53 +00:00
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MUSB configuration-specific setting. Should be set to "16"
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2012-11-06 15:17:35 +00:00
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- ram-bits : Specifies the ram address size. Should be set to "12"
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- port0-mode : Should be "3" to represent OTG. "1" signifies HOST and "2"
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2012-08-31 11:09:53 +00:00
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represents PERIPHERAL.
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2012-11-06 15:17:35 +00:00
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- port1-mode : Should be "1" to represent HOST. "3" signifies OTG and "2"
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2012-08-31 11:09:53 +00:00
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represents PERIPHERAL.
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- power : Should be "250". This signifies the controller can supply upto
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500mA when operating in host mode.
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2012-11-06 13:56:06 +00:00
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Example:
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usb@47400000 {
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compatible = "ti,musb-am33xx";
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reg = <0x47400000 0x1000 /* usbss */
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0x47401000 0x800 /* musb instance 0 */
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0x47401800 0x800>; /* musb instance 1 */
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interrupts = <17 /* usbss */
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18 /* musb instance 0 */
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19>; /* musb instance 1 */
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multipoint = <1>;
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num-eps = <16>;
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ram-bits = <12>;
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port0-mode = <3>;
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port1-mode = <3>;
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power = <250>;
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ti,hwmods = "usb_otg_hs";
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};
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