ARM: tegra: trimslice: Initialize PCIe from DT

With the device tree support in place, probe the PCIe controller from
the device tree and remove the corresponding workaround in the board
file.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts b/arch/arm/boot/dts/tegra20-trimslice.dts
index d8bc976f0120..22e227f87e4c 100644
--- a/arch/arm/boot/dts/tegra20-trimslice.dts
+++ b/arch/arm/boot/dts/tegra20-trimslice.dts
@@ -310,6 +310,16 @@
                 nvidia,sys-clock-req-active-high;
         };
 
+        pcie-controller {
+                status = "okay";
+                pex-clk-supply = <&pci_clk_reg>;
+                vdd-supply = <&pci_vdd_reg>;
+
+                pci@1,0 {
+                        status = "okay";
+                };
+        };
+
         usb@c5000000 {
                 status = "okay";
                 nvidia,vbus-gpio = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_HIGH>;
@@ -413,6 +423,24 @@
                         enable-active-high;
                         gpio = <&gpio TEGRA_GPIO(V, 2) 0>;
                 };
+
+                pci_clk_reg: regulator@3 {
+                        compatible = "regulator-fixed";
+                        reg = <3>;
+                        regulator-name = "pci_clk";
+                        regulator-min-microvolt = <3300000>;
+                        regulator-max-microvolt = <3300000>;
+                        regulator-always-on;
+                };
+
+                pci_vdd_reg: regulator@4 {
+                        compatible = "regulator-fixed";
+                        reg = <4>;
+                        regulator-name = "pci_vdd";
+                        regulator-min-microvolt = <1050000>;
+                        regulator-max-microvolt = <1050000>;
+                        regulator-always-on;
+                };
         };
 
         sound {