On Thu, 2020-05-28 at 14:16 +0800, chuanjia.liu@xxxxxxxxxxxx wrote: > There are two independent PCIe controllers in MT2712/MT7622 platform, > and each of them should contain an independent MSI domain. > > In current architecture, MSI domain will be inherited from the root > bridge, and all of the devices will share the same MSI domain. > Hence that, the PCIe devices will not work properly if the irq number > which required is more than 32. > > Split the PCIe node for MT2712/MT7622 platform to fix MSI issue and > comply with the hardware design. > > change note: > v2: change the allocation of mt2712 PCIe MMIO space due to the allcation > size is not right in v1. > > chuanjia.liu (4): > dt-bindings: PCI: Mediatek: Update PCIe binding > PCI: mediatek: Use regmap to get shared pcie-cfg base > arm64: dts: mediatek: Split PCIe node for MT2712/MT7622 > ARM: dts: mediatek: Update mt7629 PCIe node > > .../bindings/pci/mediatek-pcie-cfg.yaml | 38 +++++ > .../devicetree/bindings/pci/mediatek-pcie.txt | 144 +++++++++++------- > arch/arm/boot/dts/mt7629-rfb.dts | 3 +- > arch/arm/boot/dts/mt7629.dtsi | 23 +-- > arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 75 +++++---- > .../dts/mediatek/mt7622-bananapi-bpi-r64.dts | 16 +- > arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 6 +- > arch/arm64/boot/dts/mediatek/mt7622.dtsi | 68 ++++++--- > drivers/pci/controller/pcie-mediatek.c | 25 ++- > 9 files changed, 258 insertions(+), 140 deletions(-) > create mode 100644 Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml > > -- > 2.18.0 > > For the series: Acked-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
