fix for lantiq (danube) usb

[Luca Olivetti]

El 3/7/20 a les 20:07, Luca Olivetti ha escrit:
> El 3/7/20 a les 20:06, John Crispin ha escrit:
>>
>> On 03.07.20 19:57, Luca Olivetti wrote:
>>> El 3/7/20 a les 19:49, John Crispin ha escrit:
>>>>
>>>> On 03.07.20 19:47, Luca Olivetti wrote:
>>>>> El 3/7/20 a les 19:37, John Crispin ha escrit:
>>>>>
>>>>>>>>
>>>>>>>> Why not use the gpio regulator ?
>>>>>>>
>>>>>>> Because I don't know how :-(
>>>>>>>
>>>>>> https://www.kernel.org/doc/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml 
>>>>>>
>>>>>
>>>>> Oh, I see, but that's the one I had to *remove* because it didn't 
>>>>> work.
>>>>>
>>>>> Bye
>>>>
>>>>
>>>> CONFIG_REGULATOR_GPIO is not enabled in the kernel config
>>>>
>>>
>>>
>>> So it's just a matter of adding it to 
>>> target/linux/lantiq/xway/config-4.14 after
>>>
>>>
>>> CONFIG_REGULATOR=y
>>> CONFIG_REGULATOR_FIXED_VOLTAGE=y
>>>
>>>
>>> ?
>>>
>>>
>>> (and put back the entry I removed in the dts)
>>>
>>> Bye
>>
>>
>> correct
>>
> 
> 
> Thank you, I'm building it now (but my system is slow). I'll report back 
> if it works.

Nope, it doesn't

# dmesg | grep dwc2
[    5.751540] dwc2 1e101000.usb: 1e101000.usb supply vusb_d not found, 
using dummy regulator
[    5.758454] dwc2 1e101000.usb: 1e101000.usb supply vusb_a not found, 
using dummy regulator
[    5.766666] dwc2 1e101000.usb: dwc2_core_reset() HANG! Soft Reset 
GRSTCTL=80000001
[    5.912432] dwc2 1e101000.usb: DWC OTG Controller
[    5.915747] dwc2 1e101000.usb: new USB bus registered, assigned bus 
number 1
[    5.922594] dwc2 1e101000.usb: irq 62, io mem 0x1e101000
[    5.927811] dwc2 1e101000.usb: startup error -517
[    5.932278] dwc2 1e101000.usb: USB bus 1 deregistered
[    5.937340] dwc2 1e101000.usb: dwc2_hcd_init() FAILED, returning -517
[   50.308465] dwc2 1e101000.usb: 1e101000.usb supply vusb_d not found, 
using dummy regulator
[   50.315362] dwc2 1e101000.usb: 1e101000.usb supply vusb_a not found, 
using dummy regulator
[   50.360539] dwc2 1e101000.usb: DWC OTG Controller
[   50.363823] dwc2 1e101000.usb: new USB bus registered, assigned bus 
number 1
[   50.370726] dwc2 1e101000.usb: irq 62, io mem 0x1e101000
[   50.375988] dwc2 1e101000.usb: startup error -517
[   50.380385] dwc2 1e101000.usb: USB bus 1 deregistered
[   50.385438] dwc2 1e101000.usb: dwc2_hcd_init() FAILED, returning -517
[   50.457833] dwc2 1e101000.usb: 1e101000.usb supply vusb_d not found, 
using dummy regulator
[   50.464747] dwc2 1e101000.usb: 1e101000.usb supply vusb_a not found, 
using dummy regulator
[   50.472906] dwc2 1e101000.usb: dwc2_core_reset() HANG! Soft Reset 
GRSTCTL=80000001
[   50.632565] dwc2 1e101000.usb: DWC OTG Controller
[   50.635942] dwc2 1e101000.usb: new USB bus registered, assigned bus 
number 1
[   50.642733] dwc2 1e101000.usb: irq 62, io mem 0x1e101000
[   50.647992] dwc2 1e101000.usb: startup error -517
[   50.652411] dwc2 1e101000.usb: USB bus 1 deregistered
[   50.657463] dwc2 1e101000.usb: dwc2_hcd_init() FAILED, returning -517
[   50.767275] dwc2 1e101000.usb: 1e101000.usb supply vusb_d not found, 
using dummy regulator
[   50.774183] dwc2 1e101000.usb: 1e101000.usb supply vusb_a not found, 
using dummy regulator
[   50.782345] dwc2 1e101000.usb: dwc2_core_reset() HANG! Soft Reset 
GRSTCTL=80000001
[   51.098453] dwc2 1e101000.usb: DWC OTG Controller
[   51.101832] dwc2 1e101000.usb: new USB bus registered, assigned bus 
number 1
[   51.108645] dwc2 1e101000.usb: irq 62, io mem 0x1e101000
[   51.113845] dwc2 1e101000.usb: startup error -517
[   51.118306] dwc2 1e101000.usb: USB bus 1 deregistered
[   51.123355] dwc2 1e101000.usb: dwc2_hcd_init() FAILED, returning -517
[   86.412437] dwc2 1e101000.usb: 1e101000.usb supply vusb_d not found, 
using dummy regulator
[   86.419349] dwc2 1e101000.usb: 1e101000.usb supply vusb_a not found, 
using dummy regulator
[   86.427592] dwc2 1e101000.usb: dwc2_core_reset() HANG! Soft Reset 
GRSTCTL=80000001
[   86.620575] dwc2 1e101000.usb: DWC OTG Controller
[   86.623972] dwc2 1e101000.usb: new USB bus registered, assigned bus 
number 1
[   86.630735] dwc2 1e101000.usb: irq 62, io mem 0x1e101000
[   86.636020] dwc2 1e101000.usb: startup error -517
[   86.640421] dwc2 1e101000.usb: USB bus 1 deregistered
[   86.645483] dwc2 1e101000.usb: dwc2_hcd_init() FAILED, returning -517


Bye
-- 
Luca