ARM: tegra: Enable PCIe controller on Cardhu

Root port 2 is routed to the bottom connector on Cardhu and is used by
the development dock to provide gigabit ethernet and USB functionality.

Signed-off-by: Jay Agarwal <jagarwal@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi
index d78c90cfaf1a..1ecd470e0c77 100644
--- a/arch/arm/boot/dts/tegra30-cardhu.dtsi
+++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi
@@ -31,6 +31,26 @@
                 reg = <0x80000000 0x40000000>;
         };
 
+        pcie-controller {
+                status = "okay";
+                pex-clk-supply = <&pex_hvdd_3v3_reg>;
+                vdd-supply = <&ldo1_reg>;
+                avdd-supply = <&ldo2_reg>;
+
+                pci@1,0 {
+                        nvidia,num-lanes = <4>;
+                };
+
+                pci@2,0 {
+                        nvidia,num-lanes = <1>;
+                };
+
+                pci@3,0 {
+                        status = "okay";
+                        nvidia,num-lanes = <1>;
+                };
+        };
+
         pinmux {
                 pinctrl-names = "default";
                 pinctrl-0 = <&state_default>;