On Thu, 28 Jul 2022 17:34:14 +0300, Serge Semin wrote: > In accordance with [1] DW PCIe controllers support up to Gen5 link speed. > Let's add the max-link-speed property upper bound to 5 then. The DT > bindings of the particular devices are expected to setup more strict > constraint on that parameter. > > [1] Synopsys DesignWare Cores PCI Express Controller Databook, Version > 5.40a, March 2019, p. 27 > > Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx> > > --- > > Changelog v3: > - This is a new patch unpinned from the next one: > https://lore.kernel.org/linux-pci/20220503214638.1895-2-Sergey.Semin@xxxxxxxxxxxxxxxxxxxx/ > by the Rob' request. (@Rob) > --- > Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml | 3 +++ > Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml | 2 ++ > Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml | 1 + > 3 files changed, 6 insertions(+) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>