ARM: mvebu: armada-385-ap: Enable USB3 port

The Armada 385 AP board has a USB3 port exposed that uses a GPIO to drive the
VBUS line. Enable the needed drivers to support this.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/armada-385-db-ap.dts b/arch/arm/boot/dts/armada-385-db-ap.dts
index d6b0f7db9624..7219ac3a3d90 100644
--- a/arch/arm/boot/dts/armada-385-db-ap.dts
+++ b/arch/arm/boot/dts/armada-385-db-ap.dts
@@ -125,6 +125,13 @@
                                 status = "okay";
                         };
 
+                        pinctrl@18000 {
+                                xhci0_vbus_pins: xhci0-vbus-pins {
+                                        marvell,pins = "mpp44";
+                                        marvell,function = "gpio";
+                                };
+                        };
+
                         ethernet@30000 {
                                 status = "okay";
                                 phy = <&phy2>;
@@ -162,6 +169,11 @@
                                 marvell,nand-enable-arbiter;
                                 nand-on-flash-bbt;
                         };
+
+                        usb3@f0000 {
+                                status = "okay";
+                                usb-phy = <&usb3_phy>;
+                        };
                 };
 
                 pcie-controller {
@@ -187,4 +199,20 @@
                         };
                 };
         };
+
+        usb3_phy: usb3_phy {
+                compatible = "usb-nop-xceiv";
+                vcc-supply = <&reg_xhci0_vbus>;
+        };
+
+        reg_xhci0_vbus: xhci0-vbus {
+                compatible = "regulator-fixed";
+                pinctrl-names = "default";
+                pinctrl-0 = <&xhci0_vbus_pins>;
+                regulator-name = "xhci0-vbus";
+                regulator-min-microvolt = <5000000>;
+                regulator-max-microvolt = <5000000>;
+                enable-active-high;
+                gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
+        };
 };