mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 13:56:30 +00:00
8faef3c756
Add bindings for common properties, include maximum-speed, dr_mode and phy_type Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
31 lines
1.1 KiB
Text
31 lines
1.1 KiB
Text
Generic USB Properties
|
|
|
|
Optional properties:
|
|
- maximum-speed: tells USB controllers we want to work up to a certain
|
|
speed. Valid arguments are "super-speed-plus",
|
|
"super-speed", "high-speed", "full-speed" and
|
|
"low-speed". In case this isn't passed via DT, USB
|
|
controllers should default to their maximum HW
|
|
capability.
|
|
- dr_mode: tells Dual-Role USB controllers that we want to work on a
|
|
particular mode. Valid arguments are "host",
|
|
"peripheral" and "otg". In case this attribute isn't
|
|
passed via DT, USB DRD controllers should default to
|
|
OTG.
|
|
- phy_type: tells USB controllers that we want to configure the core to support
|
|
a UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is
|
|
selected. Valid arguments are "utmi" and "utmi_wide".
|
|
In case this isn't passed via DT, USB controllers should
|
|
default to HW capability.
|
|
|
|
This is an attribute to a USB controller such as:
|
|
|
|
dwc3@4a030000 {
|
|
compatible = "synopsys,dwc3";
|
|
reg = <0x4a030000 0xcfff>;
|
|
interrupts = <0 92 4>
|
|
usb-phy = <&usb2_phy>, <&usb3,phy>;
|
|
maximum-speed = "super-speed";
|
|
dr_mode = "otg";
|
|
phy_type = "utmi_wide";
|
|
};
|