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charset="utf-8" Add external reference clock input "extref" for a reference clock that comes from external crystal oscillator. Signed-off-by: Richard Zhu Reviewed-by: Frank Li --- .../devicetree/bindings/pci/snps,dw-pcie-common.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml= b/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml index 34594972d8db..0134a759185e 100644 --- a/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml +++ b/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml @@ -105,6 +105,12 @@ properties: define it with this name (for instance pipe, core and aux can be connected to a single source of the periodic signal). const: ref + - description: + Some dwc wrappers (like i.MX95 PCIes) have two reference clock + inputs, one from an internal PLL, the other from an off-chip c= rystal + oscillator. If present, 'extref' refers to a reference clock f= rom + an external oscillator. + const: extref - description: Clock for the PHY registers interface. Originally this is a PHY-viewport-based interface, but some platform may have --=20 2.37.1