forked from Minki/linux
732e35da7b
Update sun4i usb phy dt binding documentation to include support for Allwinner A64 usb phy. Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
58 lines
2.0 KiB
Plaintext
58 lines
2.0 KiB
Plaintext
Allwinner sun4i USB PHY
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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-h3-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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* "pmu1"
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* "pmu2" for sun4i, sun6i or sun7i
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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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- 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 or sun7i
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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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Example:
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usbphy: phy@0x01c13400 {
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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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