mirror of
https://github.com/torvalds/linux.git
synced 2024-12-24 11:51:27 +00:00
1139b4516f
Add DT bindings to the ohci-pxa27x driver and some documentation. Successfully tested on a PXA3xx board. Signed-off-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
32 lines
953 B
Plaintext
32 lines
953 B
Plaintext
PXA USB controllers
|
|
|
|
OHCI
|
|
|
|
Required properties:
|
|
- compatible: Should be "marvell,pxa-ohci" for USB controllers
|
|
used in host mode.
|
|
|
|
Optional properties:
|
|
- "marvell,enable-port1", "marvell,enable-port2", "marvell,enable-port3"
|
|
If present, enables the appropriate USB port of the controller.
|
|
- "marvell,port-mode" selects the mode of the ports:
|
|
1 = PMM_NPS_MODE
|
|
2 = PMM_GLOBAL_MODE
|
|
3 = PMM_PERPORT_MODE
|
|
- "marvell,power-sense-low" - power sense pin is low-active.
|
|
- "marvell,power-control-low" - power control pin is low-active.
|
|
- "marvell,no-oc-protection" - disable over-current protection.
|
|
- "marvell,oc-mode-perport" - enable per-port over-current protection.
|
|
- "marvell,power_on_delay" Power On to Power Good time - in ms.
|
|
|
|
Example:
|
|
|
|
usb0: ohci@4c000000 {
|
|
compatible = "marvell,pxa-ohci", "usb-ohci";
|
|
reg = <0x4c000000 0x100000>;
|
|
interrupts = <18>;
|
|
marvell,enable-port1;
|
|
marvell,port-mode = <2>; /* PMM_GLOBAL_MODE */
|
|
};
|
|
|