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author | Patrice Chotard <patrice.chotard@st.com> | 2017-09-05 12:04:21 +0300 |
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committer | Tom Rini <trini@konsulko.com> | 2017-09-22 14:39:57 +0300 |
commit | b7ca56dcda8a2be0e7ca6142448ab4153926aafc (patch) | |
tree | 592b57d60dedf29a8b5b56e6b66568fef4c6cafd /doc/device-tree-bindings/phy | |
parent | dca3166f55973143b750a3e9517c6b646ebab132 (diff) | |
download | u-boot-b7ca56dcda8a2be0e7ca6142448ab4153926aafc.tar.xz |
usb: phy: Add STi USB2 PHY
This is the generic phy driver for the picoPHY ports
used by USB2/1.1 controllers. It is found on STiH407 SoC
family from STMicroelectronics.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'doc/device-tree-bindings/phy')
-rw-r--r-- | doc/device-tree-bindings/phy/phy-stih407-usb.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/phy/phy-stih407-usb.txt b/doc/device-tree-bindings/phy/phy-stih407-usb.txt new file mode 100644 index 0000000000..371a7fec0a --- /dev/null +++ b/doc/device-tree-bindings/phy/phy-stih407-usb.txt @@ -0,0 +1,24 @@ +ST STiH407 USB PHY controller + +This file documents the dt bindings for the usb picoPHY driver which is the PHY for both USB2 and USB3 +host controllers (when controlling usb2/1.1 devices) available on STiH407 SoC family from STMicroelectronics. + +Required properties: +- compatible : should be "st,stih407-usb2-phy" +- st,syscfg : phandle of sysconfig bank plus integer array containing phyparam and phyctrl register offsets +- resets : list of phandle and reset specifier pairs. There should be two entries, one + for the whole phy and one for the port +- reset-names : list of reset signal names. Should be "global" and "port" +See: Documentation/devicetree/bindings/reset/st,sti-powerdown.txt +See: Documentation/devicetree/bindings/reset/reset.txt + +Example: + +usb2_picophy0: usbpicophy { + compatible = "st,stih407-usb2-phy"; + #phy-cells = <0>; + st,syscfg = <&syscfg_core 0x100 0xf4>; + resets = <&softreset STIH407_PICOPHY_SOFTRESET>, + <&picophyreset STIH407_PICOPHY0_RESET>; + reset-names = "global", "port"; +}; |