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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
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OHCI
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Required properties:
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- compatible: Should be "marvell,pxa-ohci" for USB controllers
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used in host mode.
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Optional properties:
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- "marvell,enable-port1", "marvell,enable-port2", "marvell,enable-port3"
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If present, enables the appropriate USB port of the controller.
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- "marvell,port-mode" selects the mode of the ports:
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1 = PMM_NPS_MODE
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2 = PMM_GLOBAL_MODE
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3 = PMM_PERPORT_MODE
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- "marvell,power-sense-low" - power sense pin is low-active.
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- "marvell,power-control-low" - power control pin is low-active.
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- "marvell,no-oc-protection" - disable over-current protection.
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- "marvell,oc-mode-perport" - enable per-port over-current protection.
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- "marvell,power_on_delay" Power On to Power Good time - in ms.
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Example:
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usb0: ohci@4c000000 {
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compatible = "marvell,pxa-ohci", "usb-ohci";
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reg = <0x4c000000 0x100000>;
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interrupts = <18>;
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marvell,enable-port1;
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marvell,port-mode = <2>; /* PMM_GLOBAL_MODE */
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};
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