Enable x4 PCIe slot on Jetson TX2. Signed-off-by: Manikanta Maddireddy <mmaddireddy@xxxxxxxxxx> Reviewed-by: Mikko Perttunen <mperttunen@xxxxxxxxxx> Tested-by: Mikko Perttunen <mperttunen@xxxxxxxxxx> --- V2: No change in this patch arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi index cf84d7046ad5..a4d96b2a23b4 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi @@ -378,4 +378,28 @@ vin-supply = <&vdd_1v8>; }; }; + + pcie@10003000 { + status = "okay"; + + dvdd-pex-supply = <&vdd_pex>; + hvdd-pex-pll-supply = <&vdd_1v8>; + hvdd-pex-supply = <&vdd_1v8>; + vddio-pexctl-aud-supply = <&vdd_1v8>; + + pci@1,0 { + nvidia,num-lanes = <4>; + status = "okay"; + }; + + pci@2,0 { + nvidia,num-lanes = <0>; + status = "disabled"; + }; + + pci@3,0 { + nvidia,num-lanes = <1>; + status = "disabled"; + }; + }; }; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html