| From: |
| Yoshihiro Shimoda <yoshihiro.shimoda.uh-AT-renesas.com> |
| To: |
| jingoohan1-AT-gmail.com, gustavo.pimentel-AT-synopsys.com, lpieralisi-AT-kernel.org, robh+dt-AT-kernel.org, kw-AT-linux.com, manivannan.sadhasivam-AT-linaro.org, bhelgaas-AT-google.com, kishon-AT-kernel.org, krzysztof.kozlowski+dt-AT-linaro.org, conor+dt-AT-kernel.org |
| Subject: |
| [PATCH v18 00/20] PCI: rcar-gen4: Add R-Car Gen4 PCIe support |
| Date: |
| Fri, 21 Jul 2023 16:44:32 +0900 |
| Message-ID: |
| <20230721074452.65545-1-yoshihiro.shimoda.uh@renesas.com> |
| Cc: |
| marek.vasut+renesas-AT-gmail.com, fancer.lancer-AT-gmail.com, linux-pci-AT-vger.kernel.org, devicetree-AT-vger.kernel.org, linux-renesas-soc-AT-vger.kernel.org, Yoshihiro Shimoda <yoshihiro.shimoda.uh-AT-renesas.com> |
| Archive-link: |
| Article |
Add R-Car S4-8 (R-Car Gen4) PCIe Host and Endpoint support.
To support them, modify PCIe DesignWare common codes.
Changes from v17:
https://lore.kernel.org/linux-pci/20230705114206.3585188-...
- Based on the latest pci.git / next branch.
- Add comments in 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.
Changes from v16:
https://lore.kernel.org/linux-pci/20230510062234.201499-1...
- Based on next-20230704.
- Drop a patch about PCI_EXP_LNKCAP_MLW.
- Drop a patch about PCI_HEADER_TYPE_MULTI_FUNC.
- Update comments in the patch [01/20].
- Drop CC-list from actual commit log in the patch [02/20].
- Update the commit log in the patch [04/20].
- Remove unnecessary bit setting in the patch [05/20].
- (New) Add .func_conf_select2() ops for multiple PFs support in the patch [07/20].
- Modify dw_pcie_link_set_max_link_width() refactoring in the patch [08/20].
- Use FIELD_PREP() to improve code readability in the patch [09/20].
- Add Reviewed-by in the patch [1[02]/20] (Thanks, Serge!).
- Minor fix of the commit log in the patch [11/20].
- Add clock-names property in the patch [1[56]/20].
- Add max-functions property in the patch [16/20].
- Drop unnecessary dw_pcie_dbi_ro_wr_en() in the patch [17/20].
- Modify .stark_link() handling in the patch [17/20].
- Change function name of rcar_gen4_pcie_set_device_type() in the patch [17/20].
- Modify reset/clock handling in the patch [17/20].
- Add enum dw_pcie_device_mode handling in the patch [17/20].
- Drop single-function setting in the patch [18/20].
- Add multi PFs support in the patch [18/20].
- Fix .reserved_bar value in the patch [18/20].
Yoshihiro Shimoda (20):
PCI: Add INTx Mechanism Messages macros
PCI: Rename PCI_EPC_IRQ_LEGACY to PCI_EPC_IRQ_INTX
PCI: dwc: Rename "legacy_irq" to "INTx_irq"
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 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: Introduce .ep_pre_init() and .ep_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 +
.../pci/controller/cadence/pcie-cadence-ep.c | 2 +-
drivers/pci/controller/dwc/Kconfig | 18 ++
drivers/pci/controller/dwc/Makefile | 4 +
drivers/pci/controller/dwc/pci-dra7xx.c | 2 +-
drivers/pci/controller/dwc/pci-imx6.c | 4 +-
drivers/pci/controller/dwc/pci-keystone.c | 2 +-
.../pci/controller/dwc/pci-layerscape-ep.c | 4 +-
drivers/pci/controller/dwc/pcie-artpec6.c | 2 +-
.../pci/controller/dwc/pcie-designware-ep.c | 133 ++++++++++--
.../pci/controller/dwc/pcie-designware-host.c | 52 +++--
.../pci/controller/dwc/pcie-designware-plat.c | 4 +-
drivers/pci/controller/dwc/pcie-designware.c | 155 +++++++-------
drivers/pci/controller/dwc/pcie-designware.h | 35 ++-
drivers/pci/controller/dwc/pcie-keembay.c | 2 +-
drivers/pci/controller/dwc/pcie-qcom-ep.c | 4 +-
.../pci/controller/dwc/pcie-rcar-gen4-ep.c | 189 +++++++++++++++++
.../pci/controller/dwc/pcie-rcar-gen4-host.c | 149 +++++++++++++
drivers/pci/controller/dwc/pcie-rcar-gen4.c | 200 ++++++++++++++++++
drivers/pci/controller/dwc/pcie-rcar-gen4.h | 44 ++++
drivers/pci/controller/dwc/pcie-tegra194.c | 8 +-
drivers/pci/controller/dwc/pcie-uniphier-ep.c | 2 +-
drivers/pci/controller/pcie-rcar-ep.c | 2 +-
drivers/pci/controller/pcie-rockchip-ep.c | 2 +-
drivers/pci/endpoint/functions/pci-epf-test.c | 10 +-
drivers/pci/pci.h | 18 ++
include/linux/pci-epc.h | 4 +-
32 files changed, 1134 insertions(+), 159 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.c
create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4-host.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
