Re: [PATCH 1/8] dt-bindings: interconnect: imx8m: Add bindings for imx8mp noc

From: Krzysztof Kozlowski
Date: Wed Jun 01 2022 - 08:14:00 EST


On 01/06/2022 14:06, Peng Fan wrote:
>> Subject: Re: [PATCH 1/8] dt-bindings: interconnect: imx8m: Add bindings for
>> imx8mp noc
>>
>> On 01/06/2022 11:41, Peng Fan (OSS) wrote:
>>> From: Peng Fan <peng.fan@xxxxxxx>
>>>
>>> i.MX8MP features same NoC/NIC as i.MX8MM/N/Q, and use two compatible
>>> strings.
>>>
>>> Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
>>> ---
>>> .../devicetree/bindings/interconnect/fsl,imx8m-noc.yaml | 6 ++++++
>>> 1 file changed, 6 insertions(+)
>>>
>>> diff --git
>>> a/Documentation/devicetree/bindings/interconnect/fsl,imx8m-noc.yaml
>>> b/Documentation/devicetree/bindings/interconnect/fsl,imx8m-noc.yaml
>>> index b8204ed22dd5..0923cd28d6c6 100644
>>> ---
>>> a/Documentation/devicetree/bindings/interconnect/fsl,imx8m-noc.yaml
>>> +++ b/Documentation/devicetree/bindings/interconnect/fsl,imx8m-noc.yam
>>> +++ l
>>> @@ -26,16 +26,22 @@ properties:
>>> oneOf:
>>> - items:
>>> - enum:
>>> + - fsl,imx8mp-nic
>>
>> Please order the entries alphabetically, so 8mp goes after 8mm.
>>
>>> - fsl,imx8mn-nic
>>> - fsl,imx8mm-nic
>>> - fsl,imx8mq-nic
>>> - const: fsl,imx8m-nic
>>> - items:
>>> - enum:
>>> + - fsl,imx8mp-noc
>>
>> ditto
>>
>>> - fsl,imx8mn-noc
>>> - fsl,imx8mm-noc
>>> - fsl,imx8mq-noc
>>> - const: fsl,imx8m-noc
>>> + - items:
>>> + - const: fsl,imx8mp-noc
>>> + - const: fsl,imx8m-noc
>>> + - const: syscon
>>
>> This is a bit confusing - why this is also fallbacked as syscon?
>
> I thought to give some flexibility for drivers to access the
> address through syscon. But it could be removed, I could
> fix in V2.

Please remove, unless you really need it. No one should poke someone's
else registers in general :)


Best regards,
Krzysztof