[PATCH] dt-bindings: soc: imx8mp-media-blk-ctrl: Add LDB into DT example

[Marek Vasut]

On 7/4/22 10:00, Krzysztof Kozlowski wrote:
> On 01/07/2022 10:06, Marek Vasut wrote:
>> In the local patch I have to imx8mp.dtsi , the simple-mfd had to be
>> added for the ldb bridge child node to bind.
>>
>>> 'simple-mfd' is saying the child has 0 dependence on the parent. IMO,
>>> 'syscon' contradicts that, but that's an all to common pattern. You are
>>> saying all the clocks (or any other resources) in the parent can be off
>>> and the LDB bridge is still functional.
>>
>> The bridge itself should work even if the block control is clocked off.
>> The block controller apb (register) clock have to be enabled only when
>> accessing these two LDB registers, which should be handled by runtime
>> PM. Or what am I missing here ?
> 
> If I understand correctly, you need the device's APB clocks to be
> enabled to use the child device? You have a dependency between child and
> parent, so it is not a simple-mfd.

OK, then ... what is it ? Some sort of hint would be helpful.