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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/phy/phy-mvebu-utmi.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/phy/phy-mvebu-utmi.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/phy/phy-mvebu-utmi.txt b/Documentation/devicetree/bindings/phy/phy-mvebu-utmi.txt new file mode 100644 index 000000000..aa99ceec7 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/phy-mvebu-utmi.txt @@ -0,0 +1,38 @@ +MVEBU A3700 UTMI PHY +-------------------- + +USB2 UTMI+ PHY controllers can be found on the following Marvell MVEBU SoCs: +* Armada 3700 + +On Armada 3700, there are two USB controllers, one is compatible with the USB2 +and USB3 specifications and supports OTG. The other one is USB2 compliant and +only supports host mode. Both of these controllers come with a slightly +different UTMI PHY. + +Required Properties: + +- compatible: Should be one of: + * "marvell,a3700-utmi-host-phy" for the PHY connected to + the USB2 host-only controller. + * "marvell,a3700-utmi-otg-phy" for the PHY connected to + the USB3 and USB2 OTG capable controller. +- reg: PHY IP register range. +- marvell,usb-misc-reg: handle on the "USB miscellaneous registers" shared + region covering registers related to both the host + controller and the PHY. +- #phy-cells: Standard property (Documentation: phy-bindings.txt) Should be 0. + + +Example: + + usb2_utmi_host_phy: phy@5f000 { + compatible = "marvell,armada-3700-utmi-host-phy"; + reg = <0x5f000 0x800>; + marvell,usb-misc-reg = <&usb2_syscon>; + #phy-cells = <0>; + }; + + usb2_syscon: system-controller@5f800 { + compatible = "marvell,armada-3700-usb2-host-misc", "syscon"; + reg = <0x5f800 0x800>; + }; |