Enable USB0 port in high-speed (2.0) mode.
The board uses lane 3 of SERDES for USB. Set the mux
accordingly.
Signed-off-by: Roger Quadros <rogerq@xxxxxx>
---
.../dts/ti/k3-j7200-common-proc-board.dts | 22 +++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
index 0ecaba600704..f4b6a5abb1b5 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
@@ -42,6 +42,12 @@
J721E_IOPAD(0xe4, PIN_INPUT, 8) /* (V1) TIMER_IO0.MMC1_SDCD */
>;
};
+
+ main_usbss0_pins_default: main_usbss0_pins_default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0x120, PIN_OUTPUT, 0) /* (T4) USB0_DRVVBUS */
+ >;
+ };
};
&wkup_uart0 {
@@ -145,3 +151,19 @@
idle-states = <SERDES0_LANE0_PCIE1_LANE0>, <SERDES0_LANE1_PCIE1_LANE1>,
<SERDES0_LANE2_QSGMII_LANE1>, <SERDES0_LANE3_IP4_UNUSED>;
};
+
+&usb_serdes_mux {
+ idle-states = <1>; /* USB0 to SERDES lane 3 */
+};
+
+&usbss0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_usbss0_pins_default>;
+ ti,vbus-divider;
+ ti,usb2-only;
+};
+
+&usb0 {
+ dr_mode = "otg";
+ maximum-speed = "high-speed";
+};
--
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