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Diffstat (limited to 'Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt')
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diff --git a/Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt b/Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt deleted file mode 100644 index a3bd1c4499b7..000000000000 --- a/Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt +++ /dev/null @@ -1,112 +0,0 @@ -* Renesas R-Car generation 2 USB PHY - -This file provides information on what the device node for the R-Car generation -2 USB PHY contains. - -Required properties: -- compatible: "renesas,usb-phy-r8a7742" if the device is a part of R8A7742 SoC. - "renesas,usb-phy-r8a7743" if the device is a part of R8A7743 SoC. - "renesas,usb-phy-r8a7744" if the device is a part of R8A7744 SoC. - "renesas,usb-phy-r8a7745" if the device is a part of R8A7745 SoC. - "renesas,usb-phy-r8a77470" if the device is a part of R8A77470 SoC. - "renesas,usb-phy-r8a7790" if the device is a part of R8A7790 SoC. - "renesas,usb-phy-r8a7791" if the device is a part of R8A7791 SoC. - "renesas,usb-phy-r8a7794" if the device is a part of R8A7794 SoC. - "renesas,rcar-gen2-usb-phy" for a generic R-Car Gen2 or - RZ/G1 compatible device. - - When compatible with the generic version, nodes must list the - SoC-specific version corresponding to the platform first - followed by the generic version. - -- reg: offset and length of the register block. -- #address-cells: number of address cells for the USB channel subnodes, must - be <1>. -- #size-cells: number of size cells for the USB channel subnodes, must be <0>. -- clocks: clock phandle and specifier pair. -- clock-names: string, clock input name, must be "usbhs". - -The USB PHY device tree node should have the subnodes corresponding to the USB -channels. These subnodes must contain the following properties: -- reg: the USB controller selector; see the table below for the values. -- #phy-cells: see phy-bindings.txt in the same directory, must be <1>. - -The phandle's argument in the PHY specifier is the USB controller selector for -the USB channel other than r8a77470 SoC; see the selector meanings below: - -+-----------+---------------+---------------+ -|\ Selector | | | -+ --------- + 0 | 1 | -| Channel \| | | -+-----------+---------------+---------------+ -| 0 | PCI EHCI/OHCI | HS-USB | -| 2 | PCI EHCI/OHCI | xHCI | -+-----------+---------------+---------------+ - -For r8a77470 SoC;see the selector meaning below: - -+-----------+---------------+---------------+ -|\ Selector | | | -+ --------- + 0 | 1 | -| Channel \| | | -+-----------+---------------+---------------+ -| 0 | EHCI/OHCI | HS-USB | -+-----------+---------------+---------------+ - -Example (Lager board): - - usb-phy@e6590100 { - compatible = "renesas,usb-phy-r8a7790", "renesas,rcar-gen2-usb-phy"; - reg = <0 0xe6590100 0 0x100>; - #address-cells = <1>; - #size-cells = <0>; - clocks = <&cpg CPG_MOD 704>; - clock-names = "usbhs"; - power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; - resets = <&cpg 704>; - - usb0: usb-channel@0 { - reg = <0>; - #phy-cells = <1>; - }; - usb2: usb-channel@2 { - reg = <2>; - #phy-cells = <1>; - }; - }; - -Example (iWave RZ/G1C sbc): - - usbphy0: usb-phy0@e6590100 { - compatible = "renesas,usb-phy-r8a77470", - "renesas,rcar-gen2-usb-phy"; - reg = <0 0xe6590100 0 0x100>; - #address-cells = <1>; - #size-cells = <0>; - clocks = <&cpg CPG_MOD 704>; - clock-names = "usbhs"; - power-domains = <&sysc R8A77470_PD_ALWAYS_ON>; - resets = <&cpg 704>; - - usb0: usb-channel@0 { - reg = <0>; - #phy-cells = <1>; - }; - }; - - usbphy1: usb-phy@e6598100 { - compatible = "renesas,usb-phy-r8a77470", - "renesas,rcar-gen2-usb-phy"; - reg = <0 0xe6598100 0 0x100>; - #address-cells = <1>; - #size-cells = <0>; - clocks = <&cpg CPG_MOD 706>; - clock-names = "usbhs"; - power-domains = <&sysc R8A77470_PD_ALWAYS_ON>; - resets = <&cpg 706>; - - usb1: usb-channel@0 { - reg = <0>; - #phy-cells = <1>; - }; - }; |