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Diffstat (limited to 'Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb3.txt')
-rw-r--r-- | Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb3.txt | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb3.txt b/Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb3.txt deleted file mode 100644 index 0fe433b9a592..000000000000 --- a/Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb3.txt +++ /dev/null @@ -1,52 +0,0 @@ -* Renesas R-Car generation 3 USB 3.0 PHY - -This file provides information on what the device node for the R-Car generation -3 and RZ/G2 USB 3.0 PHY contain. -If you want to enable spread spectrum clock (ssc), you should use USB_EXTAL -instead of USB3_CLK. However, if you don't want to these features, you don't -need this driver. - -Required properties: -- compatible: "renesas,r8a774a1-usb3-phy" if the device is a part of an R8A774A1 - SoC. - "renesas,r8a774b1-usb3-phy" if the device is a part of an R8A774B1 - SoC. - "renesas,r8a7795-usb3-phy" if the device is a part of an R8A7795 - SoC. - "renesas,r8a7796-usb3-phy" if the device is a part of an R8A7796 - SoC. - "renesas,r8a77965-usb3-phy" if the device is a part of an - R8A77965 SoC. - "renesas,rcar-gen3-usb3-phy" for a generic R-Car Gen3 or RZ/G2 - 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 USB 3.0 PHY register block. -- clocks: A list of phandles and clock-specifier pairs. -- clock-names: Name of the clocks. - - The funcional clock must be "usb3-if". - - The usb3's external clock must be "usb3s_clk". - - The usb2's external clock must be "usb_extal". If you want to use the ssc, - the clock-frequency must not be 0. -- #phy-cells: see phy-bindings.txt in the same directory, must be <0>. - -Optional properties: -- renesas,ssc-range: Enable/disable spread spectrum clock (ssc) by using - the following values as u32: - - 0 (or the property doesn't exist): disable the ssc - - 4980: enable the ssc as -4980 ppm - - 4492: enable the ssc as -4492 ppm - - 4003: enable the ssc as -4003 ppm - -Example (R-Car H3): - - usb-phy@e65ee000 { - compatible = "renesas,r8a7795-usb3-phy", - "renesas,rcar-gen3-usb3-phy"; - reg = <0 0xe65ee000 0 0x90>; - clocks = <&cpg CPG_MOD 328>, <&usb3s0_clk>, <&usb_extal>; - clock-names = "usb3-if", "usb3s_clk", "usb_extal"; - }; |