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Documentation: bindings: add doc for the Berlin USB PHY

Document the bindings of the Marvell Berlin USB PHY driver.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

authored by

Antoine Tenart and committed by
Kishon Vijay Abraham I
2f3fa3a0 13ebb68c

+16
+16
Documentation/devicetree/bindings/phy/berlin-usb-phy.txt
··· 1 + * Marvell Berlin USB PHY 2 + 3 + Required properties: 4 + - compatible: "marvell,berlin2-usb-phy" or "marvell,berlin2cd-usb-phy" 5 + - reg: base address and length of the registers 6 + - #phys-cells: should be 0 7 + - resets: reference to the reset controller 8 + 9 + Example: 10 + 11 + usb-phy@f774000 { 12 + compatible = "marvell,berlin2-usb-phy"; 13 + reg = <0xf774000 0x128>; 14 + #phy-cells = <0>; 15 + resets = <&chip 0x104 14>; 16 + };