From a6bb0084c2797b1e16403e2e812737ca1fb37669 Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Fri, 29 Jul 2016 13:15:06 -0600 Subject: ARM: tegra: enable PCIe controller on p2771-0000 p2771-0000 has a couple of PCIe ports; one physically x4 desktop PCI connector (which may run at x2 electrically, depending on the board version and configuration) and a x1 connection to the M.2 slot (which may not be active, depending on the board version and configuration). This change enables those. Signed-off-by: Stephen Warren Signed-off-by: Tom Warren --- arch/arm/dts/tegra186-p2771-0000-a02.dts | 19 +++++++++++++++++++ arch/arm/dts/tegra186-p2771-0000-b00.dts | 19 +++++++++++++++++++ 2 files changed, 38 insertions(+) (limited to 'arch') diff --git a/arch/arm/dts/tegra186-p2771-0000-a02.dts b/arch/arm/dts/tegra186-p2771-0000-a02.dts index 5ed3817..36a3c21 100644 --- a/arch/arm/dts/tegra186-p2771-0000-a02.dts +++ b/arch/arm/dts/tegra186-p2771-0000-a02.dts @@ -10,4 +10,23 @@ cd-gpios = <&gpio_main TEGRA_MAIN_GPIO(P, 6) GPIO_ACTIVE_LOW>; power-gpios = <&gpio_main TEGRA_MAIN_GPIO(P, 5) GPIO_ACTIVE_HIGH>; }; + + pcie-controller@10003000 { + status = "okay"; + + pci@1,0 { + status = "okay"; + nvidia,num-lanes = <2>; + }; + + pci@2,0 { + status = "disabled"; + nvidia,num-lanes = <1>; + }; + + pci@3,0 { + status = "okay"; + nvidia,num-lanes = <1>; + }; + }; }; diff --git a/arch/arm/dts/tegra186-p2771-0000-b00.dts b/arch/arm/dts/tegra186-p2771-0000-b00.dts index 90c99c3..0f1d0e8 100644 --- a/arch/arm/dts/tegra186-p2771-0000-b00.dts +++ b/arch/arm/dts/tegra186-p2771-0000-b00.dts @@ -10,4 +10,23 @@ cd-gpios = <&gpio_main TEGRA_MAIN_GPIO(P, 5) GPIO_ACTIVE_LOW>; power-gpios = <&gpio_main TEGRA_MAIN_GPIO(P, 6) GPIO_ACTIVE_HIGH>; }; + + pcie-controller@10003000 { + status = "okay"; + + pci@1,0 { + status = "okay"; + nvidia,num-lanes = <4>; + }; + + pci@2,0 { + status = "disabled"; + nvidia,num-lanes = <0>; + }; + + pci@3,0 { + status = "disabled"; + nvidia,num-lanes = <1>; + }; + }; }; -- cgit v1.1