Re: [PATCH] Documentation: dt-bindings: ocotp: deprecate barebox,provide-mac-address

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On 11.09.23 14:29, Marco Felsch wrote:
> On 23-09-11, Ahmad Fatoum wrote:
>> While we'll continue to support barebox,provide-mac-address, new boards
>> should prefer using the upstream NVMEM binding for describing the MAC address.
>>
>> Add an example to the documentation.
>>
>> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
>> ---
>>  .../bindings/misc/fsl,imx-ocotp.rst           | 25 ++++++++++++++++---
>>  1 file changed, 22 insertions(+), 3 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/misc/fsl,imx-ocotp.rst b/Documentation/devicetree/bindings/misc/fsl,imx-ocotp.rst
>> index 202bb3aa07ef..1c45267b1b58 100644
>> --- a/Documentation/devicetree/bindings/misc/fsl,imx-ocotp.rst
>> +++ b/Documentation/devicetree/bindings/misc/fsl,imx-ocotp.rst
>> @@ -6,13 +6,14 @@ Required properties:
>>  * ``compatible``: ``fsl,imx6q-ocotp``
>>  * ``reg``: physical register base and size
>>  
>> -Optional properties:
>> +Deprecated properties:
>>  
>>  * ``barebox,provide-mac-address``: Provide MAC addresses for Ethernet devices. This
>>    can be multiple entries in the form <&phandle regofs> to assign a MAC
>> -  address to an Ethernet device.
>> +  address to an Ethernet device. This has been deprecated in favor or the upstream
>> +  nvmem cell binding.
>>  
>> -Example:
>> +Legacy example:
> 
> Do we still need to list it as example? Seems a bit odd for deprecated
> bindings.

It's useful to illustrate the difference to the NVMEM binding. Also deprecation
might be a bit harsh. We will likely never remove support, but we'll try
to curtail proliferation.

Cheers,
Ahmad

> 
> Regards,
>   Marco
> 
>>  .. code-block:: none
>>  
>> @@ -21,3 +22,21 @@ Example:
>>    	reg = <0x021bc000 0x4000>;
>>    	barebox,provide-mac-address = <&fec 0x620>;
>>    };
>> +
>> +Upstream alternative:
>> +
>> +.. code-block:: none
>> +
>> +  &ocotp1 {
>> +  	#address-cells = <1>;
>> +  	#size-cells = <1>;
>> +
>> +  	fec_mac_addr: mac-addr@88 {
>> +  		reg = <0x88 6>;
>> +  	};
>> +  };
>> +
>> +  &fec {
>> +  	nvmem-cells = <&fec_mac_addr>;
>> +  	nvmem-cell-names = "mac-address";
>> +  };
>> -- 
>> 2.39.2
>>
>>
>>
> 

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