AM64 EVM board has a micro USB 2.0 AB connector and the USB0_VBUS is
connected with a resistor divider in between. USB0_DRVVBUS pin is muxed
between USB0_DRVVBUS and GPIO1_79 signals.
Add the corresponding properties and set the pinmux mode for USB subsystem
in the evm dts file.
Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx>
Acked-by: Roger Quadros <rogerq@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am642-evm.dts | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index 25fa6fbc0619..1365e3164294 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -210,6 +210,12 @@
AM64X_IOPAD(0x0144, PIN_OUTPUT, 4) /* (Y11) PRG1_PRU1_GPO15.RGMII2_TX_CTL */
>;
};
+
+ main_usb0_pins_default: main-usb0-pins-default {
+ pinctrl-single,pins = <
+ AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
+ >;
+ };
};
&main_uart0 {
@@ -335,6 +341,18 @@
disable-wp;
};
+&usbss0 {
+ ti,vbus-divider;
+ ti,usb2-only;
+};
+
+&usb0 {
+ dr_mode = "otg";
+ maximum-speed = "high-speed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_usb0_pins_default>;
+};
+
&cpsw3g {
pinctrl-names = "default";
pinctrl-0 = <&mdio1_pins_default
--
2.17.1
