Re: [PATCH v2 1/8] dt-bindings: PCI: Add binding for qps615

Krzysztof Kozlowski
2024-08-05T14:43:56Z

On 05/08/2024 07:57, Krishna Chaitanya Chundru wrote:
>>
> Hi Krzysztof,
>
> QPS615 has a 3 downstream ports and 1 upstream port as described below
> diagram.
> For this entire switch there are some supplies which we described in the
> dt-binding (vdd18-supply, vdd09-supply etc) and one GPIO which controls
> reset of the switch (reset-gpio). The switch hardware can configure the
> individual ports DSP0, DSP1, DSP2, upstream port and also one integrated
> ethernet endpoint which is connected to DSP2(I didn't mentioned in the
> diagram) through I2C.
>
> The properties other than supplies,i2c client, reset gpio which
> are added will be applicable for all the ports.
> _______________________________________________________________
> | |i2c| QPS615 |Supplies||Resx gpio |
> | |___| _________________ |________||__________|
> | ________________| Upstream port |_____________ |
> | | |_______________| | |
> | | | | |
> | | | | |
> | ____|_____ ____|_____ ___|____ |
> | |DSP 0 | | DSP 1 | | DSP 2| |
> | |________| |________| |______| |
> |_____________________________________________________________|
>

I don't get why then properties should apply to main device node.

Best regards,
Krzysztof