[OpenWrt-Devel] Device tree issues with TL-WDR4900 (mpc85xx) and kernel 4.0.1

[Heiner Kallweit]

Am 05.05.2015 um 08:29 schrieb Wojciech Dubowik:
> On 04/05/15 22:45, Heiner Kallweit wrote:
>> I tried to make the TL-WDR4900 work under kernel 4.0.
>> Adjusting the platform-specific patches was quickly done and the system boots.
>> However I get the following error messages.
>>
>> [    2.959975] /leds/system: could not get #gpio-cells for /soc at ffe00000/gpio-controller at f000
>> [    2.968276] leds-gpio: probe of leds failed with error -22
>> [   34.622909] /buttons/reset: could not get #gpio-cells for /soc at ffe00000/gpio-controller at f000
>> [   34.631383] gpio-keys buttons: Failed to get gpio flags, error: -22
>> [   34.637657] gpio-keys: probe of buttons failed with error -22
>>
>> I'm not a device tree expert, what I checked so far:
>> The gpio-related section in tl-wdr4900-v1.dts is empty
>>
>> gpio0: gpio-controller at f000 {
>>                  };
> Gpio controller is now at fc00. See latest commit for arch/powerpc/boot/dts/fsl/pq3-gpio-0.dtsi.
> Regards,
> Wojtek
> 
> PS. I have been also trying 4.0 but I have ran into so many problems with gianfar that I have given it up.
> For now...
Thanks. I face issues with the network as well and had to attach a serial console + tftpboot to make it work again.
Back to 3.19.0 now ..

Heiner
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