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diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt index 7b1e48b..f9cf11e 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 ocsillator +input + is used. + Example: pcie@0x01000000 { diff --git a/drivers/pci/dwc/pci-imx6.c b/drivers/pci/dwc/pci-imx6.c index b734835..a616192 100644 --- a/drivers/pci/dwc/pci-imx6.c +++ b/drivers/pci/dwc/pci-imx6.c @@ -61,6 +61,7 @@ struct imx6_pcie { u32 tx_swing_low; int link_gen; struct regulator *vpcie; + bool pciephy_refclk_sel; }; /* Parameters for the waiting for PCIe PHY PLL to lock on i.MX7 */ @@ -474,7 +475,9 @@ static void imx6_pcie_init_phy(struct imx6_pcie *imx6_pcie)