Re: [PATCH v5 10/14] dt-bindings: PCI: Add CIX Sky1 PCIe Root Complex bindings

[Hans Zhang <hans.zhang@cixtech.com>]

On 2025/6/30 15:26, Krzysztof Kozlowski wrote:
>> +  sky1,pcie-ctrl-id:
>> +    description: |
>> +      Specifies the PCIe controller instance identifier (0-4).
> No, you don't get an instance ID. Drop the property and look how other
> bindings encoded it (not sure about the purpose and you did not explain
> it, so cannot advise).


Dear Krzysztof,

Sorry, I missed your reply to this in the previous email.

Because our Root Port driver needs to support 5 PCIe ports, and the 
register configuration and offset of each port are different, it is 
necessary to know which port it is currently. Perhaps I can use the 
following method and then delete this attribute.

aliases {
		......
		pcie_rc0 = &pcie_x8_rc;
		pcie_rc1 = &pcie_x4_rc;
		pcie_rc2 = &pcie_x2_rc;
		pcie_rc3 = &pcie_x1_0_rc;
		pcie_rc4 = &pcie_x1_1_rc;
		
id = of_alias_get_id(dev->of_node, "pcie_rc");

Best regards,
Hans