On 2016-09-30 00:41, Arnd Bergmann wrote:
> On Thursday 29 September 2016, Felix Fietkau wrote:
>> On 2016-09-08 12:54, Kalle Valo wrote:
>> > Felix Fietkau <nbd@xxxxxxxx> writes:
>> >
>> >> Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
>> >> ---
>> >> .../bindings/net/wireless/mediatek,mt76.txt | 26 ++++++++++++++++++++++
>> >> 1 file changed, 26 insertions(+)
>> >> create mode 100644 Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt
>> >>
>> >> diff --git a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt
>> >> new file mode 100644
>> >> index 0000000..d51c35f
>> >> --- /dev/null
>> >> +++ b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt
>> >> @@ -0,0 +1,26 @@
>> >> +* MediaTek mt76xx devices
>> >> +
>> >> +This node provides properties for configuring the MediaTek mt76xx wireless
>> >> +device. The node is expected to be specified as a child node of the PCI
>> >> +controller to which the wireless chip is connected.
>> >> +
>> >> +Optional properties:
>> >> +
>> >> +- mac-address: See ethernet.txt in the parent directory
>> >> +- local-mac-address: See ethernet.txt in the parent directory
>> >> +- mediatek,2ghz: Override the 2.4 GHz band capability from EEPROM
>> >> +- mediatek,5ghz: Override the 5 GHz band capability from EEPROM
>> >> +- mediatek,mtd-eeprom: Specify a MTD partition + offset containing EEPROM data
>> >> +
>> >> +&pcie {
>> >> + status = "okay";
>> >> +
>> >> + 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.
>> >> + 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).
- Felix
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