Enable PCIe controller nodes to enable respective PCIe slots on P2972-0000 board. Following is the ownership of slots by different PCIe controllers. Controller-0 : M.2 Key-M slot Controller-1 : On-board Marvell eSATA controller Controller-3 : M.2 Key-E slot Signed-off-by: Vidya Sagar <vidyas@xxxxxxxxxx> --- arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 2 +- arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts | 50 ++++++++++++++++++++++ 2 files changed, 51 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi index 246c1ebbd055..13263529125b 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi @@ -191,7 +191,7 @@ regulator-boot-on; }; - sd3 { + vdd_1v8ao: sd3 { regulator-name = "VDD_1V8AO"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts index b62e96945846..732756feb698 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts @@ -169,4 +169,54 @@ }; }; }; + + pcie@14180000 { + status = "okay"; + + vddio-pex-ctl-supply = <&vdd_1v8ao>; + + phys = <&p2u_2>, + <&p2u_3>, + <&p2u_4>, + <&p2u_5>; + phy-names = "pcie-p2u-0", "pcie-p2u-1", "pcie-p2u-2", + "pcie-p2u-3"; + }; + + pcie@14100000 { + status = "okay"; + + vddio-pex-ctl-supply = <&vdd_1v8ao>; + + phys = <&p2u_0>; + phy-names = "pcie-p2u-0"; + }; + + pcie@14140000 { + status = "okay"; + + vddio-pex-ctl-supply = <&vdd_1v8ao>; + + phys = <&p2u_7>; + phy-names = "pcie-p2u-0"; + }; + + pcie@141a0000 { + status = "disabled"; + + vddio-pex-ctl-supply = <&vdd_1v8ao>; + + phys = <&p2u_12>, + <&p2u_13>, + <&p2u_14>, + <&p2u_15>, + <&p2u_16>, + <&p2u_17>, + <&p2u_18>, + <&p2u_19>; + + phy-names = "pcie-p2u-0", "pcie-p2u-1", "pcie-p2u-2", + "pcie-p2u-3", "pcie-p2u-4", "pcie-p2u-5", + "pcie-p2u-6", "pcie-p2u-7"; + }; }; -- 2.7.4