ARM: dts: am57xx-beagle-x15: use palmas-usb for USB2

The VBUS line of USB2 is connected to VBUS detect logic on
the PMIC. Use the palmas-usb driver to report VBUS events
to the USB driver.

As the palmas-usb driver supports GPIO based ID reporting
provide the GPIO for ID pin as well.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts
index 53884bc..568adf5 100644 (file)
--- a/arch/arm/boot/dts/am57xx-beagle-x15.dts
+++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts
@@ -98,13 +98,6 @@
                pinctrl-0 = <&extcon_usb1_pins>;
        };
 
-       extcon_usb2: extcon_usb2 {
-               compatible = "linux,extcon-usb-gpio";
-               id-gpio = <&gpio7 24 GPIO_ACTIVE_HIGH>;
-               pinctrl-names = "default";
-               pinctrl-0 = <&extcon_usb2_pins>;
-       };
-
        hdmi0: connector {
                compatible = "hdmi-connector";
                label = "hdmi";
@@ -326,12 +319,6 @@
                >;
        };
 
-       extcon_usb2_pins: extcon_usb2_pins {
-               pinctrl-single,pins = <
-                       0x3e8 (PIN_INPUT_PULLUP | MUX_MODE14) /* uart1_ctsn.gpio7_24 */
-               >;
-       };
-
        tpd12s015_pins: pinmux_tpd12s015_pins {
                pinctrl-single,pins = <
                        0x3b0 (PIN_OUTPUT | MUX_MODE14)         /* gpio7_10 CT_CP_HPD */
@@ -504,6 +491,14 @@
                        gpio-controller;
                        #gpio-cells = <2>;
                };
+
+               extcon_usb2: tps659038_usb {
+                       compatible = "ti,palmas-usb-vid";
+                       ti,enable-vbus-detection;
+                       ti,enable-id-detection;
+                       id-gpios = <&gpio7 24 GPIO_ACTIVE_HIGH>;
+               };
+
        };
 
        tmp102: tmp102@48 {
@@ -632,6 +627,14 @@
 };
 
 &usb2 {
+       /*
+        * Stand alone usage is peripheral only.
+        * However, with some resistor modifications
+        * this port can be used via expansion connectors
+        * as "host" or "dual-role". If so, provide
+        * the necessary dr_mode override in the expansion
+        * board's DT.
+        */
        dr_mode = "peripheral";
 };