[PATCH 07/15] ARM: zynq: Add ethernet phy reset information to DT(zc702)

[Michal Simek]

On 12/11/24 15:21, Andrew Lunn wrote:
> On Wed, Dec 11, 2024 at 03:04:28PM +0100, Michal Simek wrote:
>> Hi Andrew,
>>
>> On 12/11/24 14:45, Andrew Lunn wrote:
>>> On Wed, Dec 11, 2024 at 01:41:26PM +0100, Michal Simek wrote:
>>>> Added phy reset gpio information for gem0.
>>>>
>>>> Signed-off-by: Michal Simek <michal.simek at amd.com>
>>>> ---
>>>>
>>>>    arch/arm/boot/dts/xilinx/zynq-zc702.dts | 2 ++
>>>>    1 file changed, 2 insertions(+)
>>>>
>>>> diff --git a/arch/arm/boot/dts/xilinx/zynq-zc702.dts b/arch/arm/boot/dts/xilinx/zynq-zc702.dts
>>>> index 424e78f6c148..975385f4ac01 100644
>>>> --- a/arch/arm/boot/dts/xilinx/zynq-zc702.dts
>>>> +++ b/arch/arm/boot/dts/xilinx/zynq-zc702.dts
>>>> @@ -79,6 +79,8 @@ &gem0 {
>>>>    	phy-handle = <&ethernet_phy>;
>>>>    	pinctrl-names = "default";
>>>>    	pinctrl-0 = <&pinctrl_gem0_default>;
>>>> +	phy-reset-gpio = <&gpio0 11 0>;
>>>> +	phy-reset-active-low;
>>>
>>> Hi Michal
>>>
>>> Could you point me at code which actually implements these two
>>> properties.
>>
>> I have tracked it down and it was only used from 2016 to 2018 in Xilinx
>> downstream Linux repository. After that it was removed.
> 
> O.K. So when you ran the DT lint tools to validate these DT changes,
> why did it not give errors pointing this out?
> 
> I wounder how many other such errors there are in this patchset?

That's definitely valid concern.
I was running it but for all files there are a lot of other issues generated 
that I missed this one.

../linux/arch/arm/boot/dts/xilinx/zynq-zc702.dtb: ethernet at e000b000: Unevaluated 
properties are not allowed ('phy-reset-active-low', 'phy-reset-gpio' were 
unexpected)

Thanks,
Michal