Commit 7ef502fb authored by Claudiu Beznea's avatar Claudiu Beznea Committed by Bjorn Helgaas
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PCI: Add Renesas RZ/G3S host controller driver 



The Renesas RZ/G3S features a PCIe IP that complies with the PCI Express
Base Specification 4.0 and supports speeds of up to 5 GT/s. It functions
only as a root complex, with a single-lane (x1) configuration. The
controller includes Type 1 configuration registers, as well as IP
specific registers (called AXI registers) required for various adjustments.

Hardware manual can be downloaded from the address in the "Link" section.
The following steps should be followed to access the manual:
1/ Click the "User Manual" button
2/ Click "Confirm"; this will start downloading an archive
3/ Open the downloaded archive
4/ Navigate to r01uh1014ej*-rzg3s-users-manual-hardware -> Deliverables
5/ Open the file r01uh1014ej*-rzg3s.pdf

Signed-off-by: default avatarClaudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Signed-off-by: default avatarManivannan Sadhasivam <mani@kernel.org>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Tested-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://www.renesas.com/en/products/rz-g3s?queryID=695cc067c2d89e3f271d43656ede4d12
Link: https://patch.msgid.link/20251119143523.977085-3-claudiu.beznea.uj@bp.renesas.com
parent e7534e79

MAINTAINERS

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@@ -20007,6 +20007,14 @@ S: Maintained 
F:	drivers/pci/controller/dwc/pcie-qcom-common.c

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









PCIE DRIVER FOR RENESAS RZ/G3S SERIES









M:	Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>









L:	linux-pci@vger.kernel.org









L:	linux-renesas-soc@vger.kernel.org









S:	Supported









F:	Documentation/devicetree/bindings/pci/renesas,r9a08g045-pcie.yaml









F:	drivers/pci/controller/pcie-rzg3s-host.c

















PCIE DRIVER FOR ROCKCHIP









M:	Shawn Lin <shawn.lin@rock-chips.com>









L:	linux-pci@vger.kernel.org

























drivers/pci/controller/Kconfig



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@@ -266,6 +266,15 @@ config PCI_RCAR_GEN2







	  There are 3 internal PCI controllers available with a single









	  built-in EHCI/OHCI host controller present on each one.



















config PCIE_RENESAS_RZG3S_HOST









	bool "Renesas RZ/G3S PCIe host controller"









	depends on ARCH_RENESAS || COMPILE_TEST









	select MFD_SYSCON









	select IRQ_MSI_LIB









	help









	  Say Y here if you want PCIe host controller support on Renesas RZ/G3S









	  SoC.



















config PCIE_ROCKCHIP









	bool









	depends on PCI
































drivers/pci/controller/Makefile



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@@ -10,6 +10,7 @@ obj-$(CONFIG_PCI_TEGRA) += pci-tegra.o







obj-$(CONFIG_PCI_RCAR_GEN2) += pci-rcar-gen2.o









obj-$(CONFIG_PCIE_RCAR_HOST) += pcie-rcar.o pcie-rcar-host.o









obj-$(CONFIG_PCIE_RCAR_EP) += pcie-rcar.o pcie-rcar-ep.o









obj-$(CONFIG_PCIE_RENESAS_RZG3S_HOST) += pcie-rzg3s-host.o









obj-$(CONFIG_PCI_HOST_COMMON) += pci-host-common.o









obj-$(CONFIG_PCI_HOST_GENERIC) += pci-host-generic.o









obj-$(CONFIG_PCI_HOST_THUNDER_ECAM) += pci-thunder-ecam.o
































drivers/pci/controller/pcie-rzg3s-host.c
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