From: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Date: Wed, 27 Sep 2017 11:58:37 +0000 (+0530)
Subject: arm64: tegra: Enable PCIe on Jetson TX2
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=89b469cc1d668e1e4c86796bc0ae8cd92366736f;p=linux.git

arm64: tegra: Enable PCIe on Jetson TX2

Enable x4 PCIe slot on Jetson TX2.

Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Tested-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
index 8daadadec63a5..d45356fa1751a 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
@@ -49,6 +49,30 @@
 		vmmc-supply = <&vdd_sd>;
 	};
 
+	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";
+		};
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";