Messages in this thread | | | Subject | Re: [PATCH 11/12] devicetree: bindings: pci: add force_gen1 for qcom,pcie | From | Stanimir Varbanov <> | Date | Wed, 1 Apr 2020 16:17:55 +0300 |
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Hi Ansuel,
Before inventing new DT property I'd suggest you to consult with [1]. There is already property max-link-speed for that purpose.
On 3/20/20 8:34 PM, Ansuel Smith wrote: > Document force_gen1 optional definition to limit pcie > line to GEN1 speed > > Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> > --- > Documentation/devicetree/bindings/pci/qcom,pcie.txt | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.txt b/Documentation/devicetree/bindings/pci/qcom,pcie.txt > index 8c1d014f37b0..766876465c42 100644 > --- a/Documentation/devicetree/bindings/pci/qcom,pcie.txt > +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.txt > @@ -260,6 +260,11 @@ > Definition: If not defined is 0. In ipq806x is set to 7. In newer > revision (v2.0) the offset is zero. > > +- force_gen1: > + Usage: optional > + Value type: <u32> > + Definition: Set 1 to force the pcie line to GEN1 > + > * Example for ipq/apq8064 > pcie@1b500000 { > compatible = "qcom,pcie-apq8064", "qcom,pcie-ipq8064", "snps,dw-pcie"; >
-- regards, Stan
[1] Documentation/devicetree/bindings/pci/pci.txt
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