From e60958699afa3468cfe36fdd3c2eefdcb5326176 Mon Sep 17 00:00:00 2001 From: Miquel Raynal Date: Tue, 29 Jan 2019 10:36:31 +0100 Subject: [PATCH] dt-bindings: phy: mvebu-utmi: add UTMI PHY bindings Add bindings for Marvell Armada 3700 USB2 UTMI+ PHY. Signed-off-by: Miquel Raynal Reviewed-by: Rob Herring Signed-off-by: Kishon Vijay Abraham I --- .../bindings/phy/phy-mvebu-utmi.txt | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/phy-mvebu-utmi.txt 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 000000000000..aa99ceec73b0 --- /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>; + }; -- 2.45.2