On 07/28/2015 06:55 AM, Moritz Fischer wrote:
> Hi Michal,
>
> On Sun, Jul 26, 2015 at 10:09 PM, Michal Simek <monstr@xxxxxxxxx> wrote:
>> On 07/25/2015 02:21 AM, Moritz Fischer wrote:
>>> Signed-off-by: Moritz Fischer <moritz.fischer@xxxxxxxxx>
>>> ---
>>> 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
>>
>> here
>>
>>> +
>>> +Required properties:
>>> +- compatible: "xlnx,zynq-reset-pl"
>>
>> Currently it is not just PL reset controller.
>>
>>> +- syscon <&slcr>;
>>
>>
>> missing : and please be more descriptive here.
>>
>>> +- #reset-cells: 1
>>> +
>>> +Example:
>>> + rstc: rstc@240 {
>>> + #reset-cells = <1>;
>>> + compatible = "xlnx,zynq-reset-pl";
>>
>> Compatible property should go first.
>>
>> I am missing that reg property
>>
>>> + syscon = <&slcr>;
>>> + };
>>>
>>
> Would something like this work:
>
> Xilinx Zynq Reset Manager
>
> The Zynq AP-SoC has several different resets.
>
> See Chapter 26 of the Zynq TRM (UG585) for more information about Zynq resets.
>
> Required properties:
> - compatible: "xlnx,zynq-reset"
> - reg: SLCR offset and size taken via syscon <0x200 0x50>
> - syscon: <&slcr>
> This should be a phandle to the Zynq's SLCR register.
> - #reset-cells: Must be 1
>
> The Zynq Reset Manager needs to be a child node of the SLCR.
>
> Example:
> rstc: rstc@200 {
> compatible = "xlnx,zynq-reset";
> reg = <0x200 0x50>;
> #reset-cells = <1>;
> syscon = <&slcr>;
> };
Looks good to me.
Thanks,
Michal
--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform
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