On 2016-09-30 16:36, Arnd Bergmann wrote:
> On Friday 30 September 2016, Felix Fietkau wrote:
>> >> >> + pcie0 {
>> >> >> + mt76@0,0 {
>> >> >> + reg = <0x0000 0 0 0 0>;
>> >
>> > Maybe have an examplep of a real register address other than zero?
>> This is a real example referring to the first device on a PCI bus.
>> I copy&pasted this from a .dts file that we use in LEDE.
>
> Ok, I see.
>
>> >> >> + device_type = "pci";
>> >> >> + mediatek,mtd-eeprom = <&factory 0x8000>;
>> >> >> + mediatek,2ghz = <0>;
>> >
>> > It's not clear what the possible values for the 2ghz property are,
>> > can you be more verbose in the description? How is <0> different
>> > from no property?
>> 0 means disabled, no property means unchanged (compared to EEPROM).
>
> Maybe have a boolean property instead then to say "mediatek,2ghz-disabled" ?
>
> If zero is the only possible value, there is no need to put a number in there.
1 is also possible, which will force-enable the capability.
- Felix
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