Hi Ilya, + Rob and dt list On Sun, Dec 31, 2017 at 6:31 AM, Ilya Ledvich <ilya@xxxxxxxxxxxxxx> wrote: > i.MX7D variant of the IP can use either Crystal Oscillator input > or internal clock input as a Reference Clock input for PCIe PHY. > Add support for an optional property 'pcie-phy-refclk-internal'. > If present then an internal clock input is used as PCIe PHY > reference clock source. By default an external oscillator input > is still used. > > Verified on Compulab SBC-iMX7 Single Board Computer. > > Signed-off-by: Ilya Ledvich <ilya@xxxxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt | 5 +++++ > drivers/pci/dwc/pci-imx6.c | 8 +++++++- > 2 files changed, 12 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt > index 7b1e48b..581bc09 100644 > --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt > +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt > @@ -50,6 +50,11 @@ Additional required properties for imx7d-pcie: > - "pciephy" > - "apps" > > +Additional optional properties for imx7d-pcie: > +- pcie-phy-refclk-internal: If present then an internal PLL input is used as > + PCIe PHY reference clock source. By default an external oscillator input > + is used. Should this contain the vendor prefix, like fsl,pcie-phy-refclk-internal ?
