The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/phy/phy-stih407-usb.txt

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    1 ST STiH407 USB PHY controller
    2 
    3 This file documents the dt bindings for the usb picoPHY driver which is the PHY for both USB2 and USB3
    4 host controllers (when controlling usb2/1.1 devices) available on STiH407 SoC family from STMicroelectronics.
    5 
    6 Required properties:
    7 - compatible            : should be "st,stih407-usb2-phy"
    8 - st,syscfg             : phandle of sysconfig bank plus integer array containing phyparam and phyctrl register offsets
    9 - resets                : list of phandle and reset specifier pairs. There should be two entries, one
   10                           for the whole phy and one for the port
   11 - reset-names           : list of reset signal names. Should be "global" and "port"
   12 See: Documentation/devicetree/bindings/reset/st,stih407-powerdown.yaml
   13 See: Documentation/devicetree/bindings/reset/reset.txt
   14 
   15 Example:
   16 
   17 usb2_picophy0: usbpicophy@f8 {
   18         compatible      = "st,stih407-usb2-phy";
   19         #phy-cells      = <0>;
   20         st,syscfg       = <&syscfg_core 0x100 0xf4>;
   21         resets          = <&softreset STIH407_PICOPHY_SOFTRESET>,
   22                           <&picophyreset STIH407_PICOPHY0_RESET>;
   23         reset-names     = "global", "port";
   24 };

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