6.15.0-arm64-k3-r10
[    0.734494] ti-sci 44083000.system-controller: Failed to get capabilities                                                                               
[    1.021802] j721e-pcie 2910000.pcie-ep: Unable to get ti,syscon-pcie-ctrl regmap                                                                        
[    1.021813] j721e-pcie 2910000.pcie-ep: error -EINVAL: pm_runtime_get_sync failed                                                                       
[    1.022002] j721e-pcie 2910000.pcie-ep: probe with driver j721e-pcie failed with error -22     

6.15.1-arm64-k3-r13
[    0.716918] ti-sci 44083000.system-controller: Failed to get capabilities
[    1.031977] j721e-pcie 2910000.pcie-ep: Unable to get ti,syscon-pcie-ctrl regmap
[    1.031987] j721e-pcie 2910000.pcie-ep: error -EINVAL: pm_runtime_get_sync failed
[    1.032161] j721e-pcie 2910000.pcie-ep: probe with driver j721e-pcie failed with error -22