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PCI: rockchip-dwc: Add Rockchip RK356X host controller driver

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Add a driver for the DesignWare-based PCIe controller found on
RK356X. The existing pcie-rockchip-host driver is only used for
the Rockchip-designed IP found on RK3399.

Link: https://lore.kernel.org/r/20210625065511.1096935-1-xxm@rock-chips.com
Tested-by: Peter Geis <pgwipeout@gmail.com>
Signed-off-by: Simon Xue <xxm@rock-chips.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Simon Xue
2021-06-25 14:55:11 +08:00
committed by Bjorn Helgaas
parent e73f0f0ee7
commit 0e898eb8df
3 changed files with 291 additions and 0 deletions
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11
drivers/pci/controller/dwc/Kconfig
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@@ -214,6 +214,17 @@ config PCIE_ARTPEC6_EP
Enables support for the PCIe controller in the ARTPEC-6 SoC to work in
endpoint mode. This uses the DesignWare core.
config PCIE_ROCKCHIP_DW_HOST
bool "Rockchip DesignWare PCIe controller"
select PCIE_DW
select PCIE_DW_HOST
depends on PCI_MSI_IRQ_DOMAIN
depends on ARCH_ROCKCHIP || COMPILE_TEST
depends on OF
help
Enables support for the DesignWare PCIe controller in the
Rockchip SoC except RK3399.
config PCIE_INTEL_GW
bool "Intel Gateway PCIe host controller support"
depends on OF && (X86 || COMPILE_TEST)