>
>> - reg-names - register memory area names:
>> "xhci" - for HOST registers space
>> "dev" - for DEVICE registers space
>> "otg" - for OTG/DRD registers space
>> - compatible: Should contain:
>> "cdns,usb3-1.0.0" - for 0x00024502 controller version
>> "cdns,usb3-1.0.1" - for 0x00024509 controller version
>> "cdns,usb3-1.0.2" - for 0x0002450C controller version
>> "cdns,usb3-1.0.3" - for 0x0002450d controller version
>
>If the value can be read from register, why we still need different compatibles?
We don't need it. I left it only as information that cdns3 controller exist in 4 different version.
>
>> Example:
>> usb@f3000000 {
>> compatible = "cdns,usb3-1.0.1";
>> interrupts = <GIC_USB_IRQ 7 IRQ_TYPE_LEVEL_HIGH>,
>> <GIC_USB_IRQ 7 IRQ_TYPE_LEVEL_HIGH>,
>> <GIC_USB_IRQ 8 IRQ_TYPE_LEVEL_HIGH>;
>> interrupt-names = "host", "peripheral", "otg";
>> reg = <0xf3000000 0x10000>, /* memory area for HOST registers */
>> <0xf3010000 0x10000>, /* memory area for DEVICE registers */
>> <0xf3020000 0x10000>; /* memory area for OTG/DRD registers
>> */
>> reg-names = "xhci", "dev", "otg";
>> phys = <&usb3_phy>;
>> phy-names = "cdns3,usbphy";
>>
>>
>> Maybe I should add also something for usb2_phy in dt-binding and in driver ?
>>
>
>The PHY driver is located at: drivers/phy/cadence/phy-cadence-sierra.c.
>Will we need another one for USB2 PHY?
As I know sierra phy is USB3.0 phy.
Also I know that we have torent phy driver for 2.0. It's ready but is has not yet in kernel.
So I assume that I should change
phys = <&usb3_phy>;
phy-names = "cdns3,usbphy";
with:
phys = <&usb2_phy>, <&usb3_phy>;
phy-names = "cdns3,usbphy2", "cdns3,usbphy3";
Pawel
>
>Peter
>
>
>> Thanks,
>> Regards,
>> Pawel
>>
>> >>
>> >> Regards,
>> >> Pawel
>> >>
>> >>
>> >>>
>> >>>> +
>> >>>> +Optional properties:
>> >>>> + - maximum-speed : valid arguments are "super-speed", "high-speed" and
>> >>>> + "full-speed"; refer to usb/generic.txt
>> >>>> + - dr_mode: Should be one of "host", "peripheral" or "otg".
>> >>>> + - phys: reference to the USB PHY
>> >>>> +
>> >>>> +Example:
>> >>>> + usb@f3000000 {
>> >>>> + compatible = "cdns,usb3-1.0.1";
>> >>>> + interrupts = <USB_IRQ 7 IRQ_TYPE_LEVEL_HIGH>;
>> >>>
>> >>> This example won't work as code requests for 3 separate interrupts.
>> >>>
>> >>>> + reg = <0xf3000000 0x10000 /* memory area for HOST
>> registers */
>> >>>> + 0xf3010000 0x10000 /* memory area for DEVICE
>> registers */
>> >>>> + 0xf3020000 0x10000>; /* memory area for
>> OTG/DRD registers */
>> >>>> + reg-names = "xhci", "dev", "otg";
>> >>>> + };
>> >>>>
>> >>>
>> >
>> >
>> >--
>> >cheers,
>> >-roger
>> >
>> >Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
>> >Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
