arm/dt: add basic usb nodes to tegra device trees

For now they are a minimal binding. It needs to be amended with
vendor-specific settings for phy setup and link tuning, etc.

v2: Added bindings specification and phy_type properties

Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Stephen Warren <swarren@nvidia.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 65d7e6a333eb..795b921d92fc 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -143,5 +143,26 @@
                 reg = <0xc8000600 0x200>;
                 interrupts = < 63 >;
         };
+
+        usb@c5000000 {
+                compatible = "nvidia,tegra20-ehci", "usb-ehci";
+                reg = <0xc5000000 0x4000>;
+                interrupts = < 52 >;
+                phy_type = "utmi";
+        };
+
+        usb@c5004000 {
+                compatible = "nvidia,tegra20-ehci", "usb-ehci";
+                reg = <0xc5004000 0x4000>;
+                interrupts = < 53 >;
+                phy_type = "ulpi";
+        };
+
+        usb@c5008000 {
+                compatible = "nvidia,tegra20-ehci", "usb-ehci";
+                reg = <0xc5008000 0x4000>;
+                interrupts = < 129 >;
+                phy_type = "utmi";
+        };
 };