On Wed, Jan 24, 2024 at 05:59:36PM +0530, Siddharth Vadapalli wrote: > TI's J722S SoC has one instance of a Gen3 Single-Lane PCIe controller. > The controller on J722S SoC is similar to the one present on TI's AM64 > SoC, with the difference being that the controller on AM64 SoC supports > up to Gen2 link speed while the one on J722S SoC supports Gen3 link speed. > > Update the bindings with a new compatible for J722S SoC. > > Technical Reference Manual of J722S SoC: https://www.ti.com/lit/zip/sprujb3 > > Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Cheers, Conor. > --- > > Hello, > > This patch is based on linux-next tagged next-20240124. > > v2: > https://lore.kernel.org/r/20240122064457.664542-1-s-vadapalli@xxxxxx/ > Changes since v2: > - Added fallback compatible for "ti,j722s-pcie-host" as > "ti,j721e-pcie-host" based on Conor's suggestion at: > https://lore.kernel.org/r/20240122-getting-drippy-bb22a0634092@spud/#t > > v1: > https://lore.kernel.org/r/20240117102526.557006-1-s-vadapalli@xxxxxx/ > Changes since v1: > - Dropped patches 1/3 and 2/3 of the v1 series as discussed in the v1 > thread. > - Updated patch 3/3 which is the v1 for this patch by dropping the checks > for the "num-lanes" property and "max-link-speed" property since the PCI > driver already validates the "num-lanes" property. > > Regards, > Siddharth. > > Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml > index b7a534cef24d..ac69deeaf1ee 100644 > --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml > +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml > @@ -23,6 +23,10 @@ properties: > items: > - const: ti,j7200-pcie-host > - const: ti,j721e-pcie-host > + - description: PCIe controller in J722S > + items: > + - const: ti,j722s-pcie-host > + - const: ti,j721e-pcie-host > > reg: > maxItems: 4 > -- > 2.34.1 >
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