ARM: tegra: tamonten: Add PCIe support

Add properties common to all Tamonten-derived boards to the Tamonten
DTSI and add the fixed 1.05 V regulator.

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, 16 insertions, 1 deletions

diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi
index f00febe69cda..7726dab3d08d 100644
--- a/arch/arm/boot/dts/tegra20-tamonten.dtsi
+++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi
@@ -366,7 +366,7 @@
                                         regulator-always-on;
                                 };
 
-                                ldo0 {
+                                pci_clk_reg: ldo0 {
                                         regulator-name = "vdd_ldo0,vddio_pex_clk";
                                         regulator-min-microvolt = <3300000>;
                                         regulator-max-microvolt = <3300000>;
@@ -467,6 +467,11 @@
                 nvidia,sys-clock-req-active-high;
         };
 
+        pcie-controller {
+                pex-clk-supply = <&pci_clk_reg>;
+                vdd-supply = <&pci_vdd_reg>;
+        };
+
         usb@c5008000 {
                 status = "okay";
         };
@@ -509,5 +514,15 @@
                         regulator-max-microvolt = <5000000>;
                         regulator-always-on;
                 };
+
+                pci_vdd_reg: regulator@1 {
+                        compatible = "regulator-fixed";
+                        reg = <1>;
+                        regulator-name = "vdd_1v05";
+                        regulator-min-microvolt = <1050000>;
+                        regulator-max-microvolt = <1050000>;
+                        gpio = <&pmic 2 0>;
+                        enable-active-high;
+                };
         };
 };