This moves iATU register mapping in the Keystone driver to common framework. And this adds "iatu" property description to the dt-bindings for UniPhier PCIe host and endpoint controller. This series is split from the previous patches: https://www.spinics.net/lists/linux-pci/msg97608.html "[PATCH v6 0/6] PCI: uniphier: Add features for UniPhier PCIe host controller" This has been confirmed with PCIe version 4.80 controller on UniPhier platform. Please comfirm this series on Keystone platform if necessary. Changes since v1: - Use to_platform_device() instead of of_find_device_by_node() - Add Reviewed-by: line to 4th patch for keystone - dt-bindings: Add description for uniphier-ep Kunihiko Hayashi (4): dt-bindings: PCI: uniphier: Add iATU register description dt-bindings: PCI: uniphier-ep: Add iATU register description PCI: dwc: Add common iATU register support PCI: keystone: Remove iATU register mapping .../bindings/pci/socionext,uniphier-pcie-ep.yaml | 3 ++- .../devicetree/bindings/pci/uniphier-pcie.txt | 1 + drivers/pci/controller/dwc/pci-keystone.c | 20 ++++---------------- drivers/pci/controller/dwc/pcie-designware.c | 5 +++++ 4 files changed, 12 insertions(+), 17 deletions(-) -- 2.7.4