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dt-bindings: phy: Add Stingray USB PHY binding document

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Add DT binding document for Stingray USB PHY.

Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Srinath Mannam 2019-03-19 14:45:42 +05:30 committed by Kishon Vijay Abraham I
parent bbf711682c
commit 30417ab2a3
1 changed files with 32 additions and 0 deletions
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Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt Normal file
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Broadcom Stingray USB PHY
Required properties:
- compatible : should be one of the listed compatibles
- "brcm,sr-usb-combo-phy" is combo PHY has two PHYs, one SS and one HS.
- "brcm,sr-usb-hs-phy" is a single HS PHY.
- reg: offset and length of the PHY blocks registers
- #phy-cells:
- Must be 1 for brcm,sr-usb-combo-phy as it expects one argument to indicate
the PHY number of two PHYs. 0 for HS PHY and 1 for SS PHY.
- Must be 0 for brcm,sr-usb-hs-phy.
Refer to phy/phy-bindings.txt for the generic PHY binding properties
Example:
usbphy0: usb-phy@0 {
compatible = "brcm,sr-usb-combo-phy";
reg = <0x00000000 0x100>;
#phy-cells = <1>;
};
usbphy1: usb-phy@10000 {
compatible = "brcm,sr-usb-combo-phy";
reg = <0x00010000 0x100>,
#phy-cells = <1>;
};
usbphy2: usb-phy@20000 {
compatible = "brcm,sr-usb-hs-phy";
reg = <0x00020000 0x100>,
#phy-cells = <0>;
};