PCI: layerscape: Add power management support for ls1028a

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Add PME_Turn_off/PME_TO_Ack handshake sequence for ls1028a platform.

Implemented on top of common dwc dw_pcie_suspend(resume)_noirq()
functions to handle system enter/exit suspend states.

Link: https://lore.kernel.org/r/20230821184815.2167131-4-Frank.Li@nxp.com
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Acked-by: Manivannan Sadhasivam <mani@kernel.org>

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Hou Zhiqiang 2023-08-21 14:48:15 -04:00 • committed by Lorenzo Pieralisi

parent 4774faf854

commit 9fda4d0990

1 changed files with 131 additions and 9 deletions

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drivers/pci/controller/dwc/pci-layerscape.c

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