On Sat, Apr 19, 2025 at 10:49:23AM +0530, Krishna Chaitanya Chundru wrote: > The main intention of this series is to move wake# to the root port node. > After this series we will come up with a patch which registers for wake IRQ > from the pcieport driver. The wake IRQ is needed for the endpoint to wakeup > the host from D3cold. The driver change for wake IRQ is posted here[1]. > > There are many places we agreed to move the wake and perst gpio's > and phy etc to the pcie root port node instead of bridge node[2] as the > these properties are root port specific and does not belongs to > bridge node. > > So move the phy, phy-names, wake-gpio's in the root port. > There is already reset-gpio defined for PERST# in pci-bus-common.yaml, > start using that property instead of perst-gpio. > > For backward compatibility, don't remove any existing properties in the > bridge node. > > There are some other properties like num-lanes, max-link-speed which > needs to be moved to the root port nodes, but in this series we are > excluding them for now as this requires more changes in dwc layer and > can complicate the things. > > Once this series gets merged all other platforms also will be updated > to use this new way. > > Note:- The driver change needs to be merged first before dts changes. > Krzysztof Wilczyński or Mani can you provide the immutable branch with > these PCIe changes. > Since there could be other patches for Qcom driver in the PCI tree, I don't prefer immutable branch. Let's first merge the driver and binding patches through PCI tree and you can submit the dts changes for rest of the platforms for the next cycle. - Mani -- மணிவண்ணன் சதாசிவம்
