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@@ -0,0 +1,65 @@
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+Allwinner sun4i USB PHY
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+-----------------------
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+
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+Required properties:
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+- compatible : should be one of
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+ * allwinner,sun4i-a10-usb-phy
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+ * allwinner,sun5i-a13-usb-phy
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+ * allwinner,sun6i-a31-usb-phy
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+ * allwinner,sun7i-a20-usb-phy
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+ * allwinner,sun8i-a23-usb-phy
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+ * allwinner,sun8i-a33-usb-phy
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+ * allwinner,sun8i-a83t-usb-phy
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+ * allwinner,sun8i-h3-usb-phy
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+ * allwinner,sun8i-v3s-usb-phy
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+ * allwinner,sun50i-a64-usb-phy
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+- reg : a list of offset + length pairs
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+- reg-names :
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+ * "phy_ctrl"
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+ * "pmu0" for H3, V3s and A64
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+ * "pmu1"
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+ * "pmu2" for sun4i, sun6i, sun7i, sun8i-a83t or sun8i-h3
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+ * "pmu3" for sun8i-h3
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+- #phy-cells : from the generic phy bindings, must be 1
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+- clocks : phandle + clock specifier for the phy clocks
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+- clock-names :
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+ * "usb_phy" for sun4i, sun5i or sun7i
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+ * "usb0_phy", "usb1_phy" and "usb2_phy" for sun6i
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+ * "usb0_phy", "usb1_phy" for sun8i
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+ * "usb0_phy", "usb1_phy", "usb2_phy" and "usb2_hsic_12M" for sun8i-a83t
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+ * "usb0_phy", "usb1_phy", "usb2_phy" and "usb3_phy" for sun8i-h3
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+- resets : a list of phandle + reset specifier pairs
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+- reset-names :
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+ * "usb0_reset"
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+ * "usb1_reset"
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+ * "usb2_reset" for sun4i, sun6i, sun7i, sun8i-a83t or sun8i-h3
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+ * "usb3_reset" for sun8i-h3
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+
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+Optional properties:
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+- usb0_id_det-gpios : gpio phandle for reading the otg id pin value
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+- usb0_vbus_det-gpios : gpio phandle for detecting the presence of usb0 vbus
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+- usb0_vbus_power-supply: power-supply phandle for usb0 vbus presence detect
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+- usb0_vbus-supply : regulator phandle for controller usb0 vbus
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+- usb1_vbus-supply : regulator phandle for controller usb1 vbus
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+- usb2_vbus-supply : regulator phandle for controller usb2 vbus
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+- usb3_vbus-supply : regulator phandle for controller usb3 vbus
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+
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+Example:
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+ usbphy: phy@01c13400 {
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+ #phy-cells = <1>;
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+ compatible = "allwinner,sun4i-a10-usb-phy";
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+ /* phy base regs, phy1 pmu reg, phy2 pmu reg */
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+ reg = <0x01c13400 0x10 0x01c14800 0x4 0x01c1c800 0x4>;
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+ reg-names = "phy_ctrl", "pmu1", "pmu2";
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+ clocks = <&usb_clk 8>;
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+ clock-names = "usb_phy";
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+ resets = <&usb_clk 0>, <&usb_clk 1>, <&usb_clk 2>;
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+ reset-names = "usb0_reset", "usb1_reset", "usb2_reset";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
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+ usb0_id_det-gpios = <&pio 7 19 GPIO_ACTIVE_HIGH>; /* PH19 */
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+ usb0_vbus_det-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>; /* PH22 */
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+ usb0_vbus-supply = <®_usb0_vbus>;
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+ usb1_vbus-supply = <®_usb1_vbus>;
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+ usb2_vbus-supply = <®_usb2_vbus>;
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+ };
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