We set up two USB ports, one of which can be host or device. For some reason the kernel version does enable both ports.
Signed-off-by: Simon Glass sjg@chromium.org --- Changes in v2: - Use "okay" instead of "ok" for fdt node status - Remove 0x from fdt aliases
Changes in v3: - Remove "okay" from nodes since this is the default anyway - Fix device tree indenting with tabs instead of spaces - Disable USB2 which is not used on Seaboard
board/nvidia/dts/tegra2-seaboard.dts | 13 ++++++++++++- 1 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/board/nvidia/dts/tegra2-seaboard.dts b/board/nvidia/dts/tegra2-seaboard.dts index dde5d03..839e761 100644 --- a/board/nvidia/dts/tegra2-seaboard.dts +++ b/board/nvidia/dts/tegra2-seaboard.dts @@ -11,6 +11,12 @@ bootargs = "vmalloc=192M video=tegrafb console=ttyS0,115200n8 root=/dev/mmcblk1p3 rw rootwait"; };
+ aliases { + /* This defines the order of our USB ports */ + usb0 = "/usb@c5008000"; + usb1 = "/usb@c5000000"; + }; + memory { device_type = "memory"; reg = < 0x00000000 0x40000000 >; @@ -31,6 +37,11 @@ };
usb@c5000000 { - nvidia,vbus-gpio = <&gpio 24 0>; /* PD0 */ + nvidia,vbus-gpio = <&gpio 24 0>; /* PD0 high to enable vbus */ + support-host-mode; + }; + + usb@c5004000 { + status = "disabled"; }; };