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Diffstat (limited to 'Documentation/devicetree/bindings/phy/samsung-usbphy.txt')
-rw-r--r-- | Documentation/devicetree/bindings/phy/samsung-usbphy.txt | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/Documentation/devicetree/bindings/phy/samsung-usbphy.txt b/Documentation/devicetree/bindings/phy/samsung-usbphy.txt deleted file mode 100644 index f618e8d12d1..00000000000 --- a/Documentation/devicetree/bindings/phy/samsung-usbphy.txt +++ /dev/null @@ -1,48 +0,0 @@ -Samsung S5P/EXYNOS SoC series USB PHY -------------------------------------------------- - -Required properties: -- compatible : should be one of the listed compatibles: - - "samsung,exynos4210-usbphy" - - "samsung,exynos4212-usbphy" -- reg : a list of registers used by phy driver - - first and obligatory is the location of phy modules registers - - second and also required is the location of isolation registers - (isolation registers control the physical connection between the in - SoC modules and outside of the SoC, this also can be called enable - control in the documentation of the SoC) - - third is the location of the mode switch register, this only applies - to SoCs that have such a feature; mode switching enables to have - both host and device used the same SoC pins and is commonly used - when OTG is supported -- #phy-cells : from the generic phy bindings, must be 1; - -The second cell in the PHY specifier identifies the PHY its meaning is SoC -dependent. For the currently supported SoCs (Exynos 4210 and Exynos 4212) it -is as follows: - 0 - USB device, - 1 - USB host, - 2 - HSIC0, - 3 - HSIC1, - -Example: - -For Exynos 4412 (compatible with Exynos 4212): - -exynos_usbphy: exynos-usbphy@125B0000 { - compatible = "samsung,exynos4212-usbphy"; - reg = <0x125B0000 0x100>, <0x10020704 0x0c>, <0x1001021c 0x4>; - clocks = <&clock 305>, <&clock 2>, <&clock 2>, <&clock 2>, - <&clock 2>; - clock-names = "phy", "device", "host", "hsic0", "hsic1"; - status = "okay"; - #phy-cells = <1>; -}; - -Then the PHY can be used in other nodes such as: - -ehci@12580000 { - status = "okay"; - phys = <&exynos_usbphy 2>; - phy-names = "hsic0"; -}; |