Add R-Car S4-8 (R-Car Gen4) PCIe Host and Endpoint support. To support them, modify PCIe DesignWare common codes. Changes from v18: https://lore.kernel.org/linux-pci/20230721074452.65545-1-yoshihiro.shimoda.uh@xxxxxxxxxxx/ - Based on the latest pci.git / next branch and the following patches: [PATCH v3 0/2] Cleanup IRQ type definitions https://lore.kernel.org/linux-pci/20230802094036.1052472-1-dlemoal@xxxxxxxxxx/ - Drop some patches about converting "legacy" to "INTx". - Add detailed description in the patch 0[26]/19. - Add a new patch "Expose dw_pcie_write_dbi2" in the patch 11/19. - Revise typo in the patch 12/19. - Fix calling order of deinit in the patch 12/19. - Revise Kconfig about kernel module names in the patch 1[67]/19. - Rename drivers' file names in the patch 1[67]/19. - Some other minor change/fix in the patch 1[67]/19. Changes from v17:m https://lore.kernel.org/linux-pci/20230705114206.3585188-1-yoshihiro.shimoda.uh@xxxxxxxxxxx/ - Based on the latest pci.git / next branch. - Add comments ine the commit log in the patch 01/20. - Drop "Implicit" from "Message Routing" in the patch 01/20. - Add Reviewed-by tag in the patch 0[14569]/20. - Fix typo in the patch 07/20. - Drop unnecessary description from the commit log in the patch 09/20. - Add clk_bulk_disable_unprepare() calling in the patch 1[78]/20. - Use .remove_new() in the patch 1[78]/20. - Add rcar_gen4_pcie_basic_deinit() and .deinit() in the patch 17/20. - Call rcar_gen4_pcie_basic_deinit() in .ep_deinit() in the patch 18/20. - Minor updates for improved code readability in the patch 1[78]/20. Yoshihiro Shimoda (19): PCI: Add INTx Mechanism Messages macros PCI: dwc: Change arguments of dw_pcie_prog_outbound_atu() PCI: dwc: Add outbound MSG TLPs support PCI: designware-ep: Add INTx IRQs support PCI: dwc: endpoint: Add multiple PFs support for dbi2 PCI: dwc: Add dw_pcie_link_set_max_link_width() PCI: dwc: Add missing PCI_EXP_LNKCAP_MLW handling PCI: tegra194: Drop PCI_EXP_LNKSTA_NLW setting PCI: dwc: Add EDMA_UNROLL capability flag PCI: dwc: Expose dw_pcie_ep_exit() to module PCI: dwc: Expose dw_pcie_write_dbi2() to module PCI: dwc: endpoint: Introduce .pre_init() and .deinit() dt-bindings: PCI: dwc: Update maxItems of reg and reg-names dt-bindings: PCI: renesas: Add R-Car Gen4 PCIe Host dt-bindings: PCI: renesas: Add R-Car Gen4 PCIe Endpoint PCI: rcar-gen4: Add R-Car Gen4 PCIe Host support PCI: rcar-gen4-ep: Add R-Car Gen4 PCIe Endpoint support MAINTAINERS: Update PCI DRIVER FOR RENESAS R-CAR for R-Car Gen4 misc: pci_endpoint_test: Add Device ID for R-Car S4-8 PCIe controller .../bindings/pci/rcar-gen4-pci-ep.yaml | 106 +++++++++ .../bindings/pci/rcar-gen4-pci-host.yaml | 123 +++++++++++ .../bindings/pci/snps,dw-pcie-ep.yaml | 4 +- .../devicetree/bindings/pci/snps,dw-pcie.yaml | 4 +- MAINTAINERS | 1 + drivers/misc/pci_endpoint_test.c | 4 + drivers/pci/controller/dwc/Kconfig | 20 ++ drivers/pci/controller/dwc/Makefile | 4 + .../pci/controller/dwc/pcie-designware-ep.c | 136 ++++++++++-- .../pci/controller/dwc/pcie-designware-host.c | 52 +++-- drivers/pci/controller/dwc/pcie-designware.c | 156 ++++++------- drivers/pci/controller/dwc/pcie-designware.h | 29 ++- .../controller/dwc/pcie-rcar-gen4-ep-drv.c | 178 +++++++++++++++ .../controller/dwc/pcie-rcar-gen4-host-drv.c | 145 ++++++++++++ drivers/pci/controller/dwc/pcie-rcar-gen4.c | 208 ++++++++++++++++++ drivers/pci/controller/dwc/pcie-rcar-gen4.h | 44 ++++ drivers/pci/controller/dwc/pcie-tegra194.c | 6 - drivers/pci/pci.h | 18 ++ 18 files changed, 1107 insertions(+), 131 deletions(-) create mode 100644 Documentation/devicetree/bindings/pci/rcar-gen4-pci-ep.yaml create mode 100644 Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4-ep-drv.c create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4-host-drv.c create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4.c create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4.h -- 2.25.1
