PCI: qcom: Add support for Qualcomm SA8255p based PCIe Root Complex

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Add functionality to enable resource management (like clocks, regulators,
PHY) through firmware and enumerate ECAM compliant Root Complex on SA8255p
SoC, where the PCIe Root Complex is firmware managed and configured into
ECAM compliant mode.

Signed-off-by: Mayank Rana <mayank.rana@oss.qualcomm.com>
[mani: minor code cleanups and commit message rewording]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
[bhelgaas: add "ECAM" in comment]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20250616224259.3549811-5-mayank.rana@oss.qualcomm.com

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Mayank Rana 2025-06-16 15:42:59 -07:00 • committed by Bjorn Helgaas

parent d7c7c051e8

commit 7d944c0f14

2 changed files with 112 additions and 12 deletions

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1

drivers/pci/controller/dwc/Kconfig

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123

drivers/pci/controller/dwc/pcie-qcom.c

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