[RFCv2 1/3] docs: dts: Added documentation for Xilinx Zynq Reset Controller bindings.

[Moritz Fischer]

Philip, Michal,

thanks for your reviews.

On Tue, Jul 28, 2015 at 1:25 AM, Michal Simek <michal.simek at xilinx.com> wrote:
> On 07/28/2015 10:05 AM, Philipp Zabel wrote:
>> Am Freitag, den 24.07.2015, 17:21 -0700 schrieb Moritz Fischer:
>>> Signed-off-by: Moritz Fischer <moritz.fischer at ettus.com>
>>> ---
>>>  Documentation/devicetree/bindings/reset/zynq-reset-pl.txt | 13 +++++++++++++
>>>  1 file changed, 13 insertions(+)
>>>  create mode 100644 Documentation/devicetree/bindings/reset/zynq-reset-pl.txt
>>>
>>> diff --git a/Documentation/devicetree/bindings/reset/zynq-reset-pl.txt b/Documentation/devicetree/bindings/reset/zynq-reset-pl.txt
>>> new file mode 100644
>>> index 0000000..ac4499e
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/reset/zynq-reset-pl.txt
>>> @@ -0,0 +1,13 @@
>>> +Xilinx Zynq PL Reset Manager
>>> +
>>> +Required properties:
>>> +- compatible: "xlnx,zynq-reset-pl"
>>> +- syscon <&slcr>;
>>> +- #reset-cells: 1
>>> +
>>> +Example:
>>> +    rstc: rstc at 240 {
>>> +            #reset-cells = <1>;
>>> +            compatible = "xlnx,zynq-reset-pl";
>>> +            syscon = <&slcr>;
>>
>> Why the syscon phandle if rstc always is the child of slcr? Why not just
>> request the syscon for the rstc's parent node.
>
> We are using this description for pincntrl which was properly reviewed
> that's why I expect Moritz just use the same style.
> But yes also referencing parent should work.

Michal is right, I tried to be consistent with the pinctrl. Either one
is fine for me.
We'll just have to make a decision :-)
>
> TBH I don't have strong preference but having unified style is something
> what I would prefer.
>
> Also I see that using parent is used by others and it looks like that
> having something like syscon_regmap_lookup_parent will be worth to have.
>
> Thanks,
> Michal
>
>
Moritz