ARM: tegra: add DT nodes for Tegra USB PHY
Add DT nodes for Tegra USB PHY along with related documentation.
Also added a phandle property to controller DT node, for referring
to connected PHY instance.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 88cf833..3d7ab22 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -400,6 +400,25 @@
#size-cells = <0>;
};
+ phy1: usb-phy@c5000400 {
+ compatible = "nvidia,tegra20-usb-phy";
+ reg = <0xc5000400 0x3c00>;
+ phy_type = "utmi";
+ nvidia,has-legacy-mode;
+ };
+
+ phy2: usb-phy@c5004400 {
+ compatible = "nvidia,tegra20-usb-phy";
+ reg = <0xc5004400 0x3c00>;
+ phy_type = "ulpi";
+ };
+
+ phy3: usb-phy@c5008400 {
+ compatible = "nvidia,tegra20-usb-phy";
+ reg = <0xc5008400 0x3C00>;
+ phy_type = "utmi";
+ };
+
usb@c5000000 {
compatible = "nvidia,tegra20-ehci", "usb-ehci";
reg = <0xc5000000 0x4000>;
@@ -408,6 +427,7 @@
nvidia,has-legacy-mode;
clocks = <&tegra_car 22>;
nvidia,needs-double-reset;
+ nvidia,phy = <&phy1>;
status = "disabled";
};
@@ -417,6 +437,7 @@
interrupts = <0 21 0x04>;
phy_type = "ulpi";
clocks = <&tegra_car 58>;
+ nvidia,phy = <&phy2>;
status = "disabled";
};
@@ -426,6 +447,7 @@
interrupts = <0 97 0x04>;
phy_type = "utmi";
clocks = <&tegra_car 59>;
+ nvidia,phy = <&phy3>;
status = "disabled";
};