Hi Paul, Tony,
> Am 24.11.2019 um 18:48 schrieb Tony Lindgren <tony@xxxxxxxxxxx>:
>
> * Paul Cercueil <paul@xxxxxxxxxxxxxxx> [191124 12:58]:
>> Le dim., nov. 24, 2019 at 12:40, H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> a
>> écrit :
>>> and add interrupt and clocks.
> ...
>>> --- a/arch/mips/boot/dts/ingenic/jz4780.dtsi
>>> +++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi
>>> @@ -46,6 +46,17 @@
>>> #clock-cells = <1>;
>>> };
>>>
>>> + gpu: gpu@13040000 {
>>
>> We try to keep the nodes ordered by address, could you move this node where
>> it belongs?
> ...
Yes, I have noted.
>
>>> + compatible = "ingenic,jz4780-sgx540-120", "img,sgx540-120",
>>> "img,sgx540", "img,sgx5";
>>> + reg = <0x13040000 0x4000>;
>>> +
>>> + clocks = <&cgu JZ4780_CLK_GPU>;
>>> + clock-names = "gpu";
>
> Just checking.. Is there something else to configure here
> potentially in addition to the clocks?
It doesn't look so. Unfortuantely there isn't much information
except a v3.18 kernel supported by the vendor and that one also
just has a gpu node with clock control.
> That is, do we need to do some interconnect specific
> configuration etc in addition to the clocks to have
> runtime PM work for enabling and disabling sgx on
> jz4780?
I think we have to leave that open for further study.
BR,
Nikolaus
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