The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/phy/allwinner,sun4i-a10-usb-phy.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/phy/allwinner,sun4i-a10-usb-phy.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Allwinner A10 USB PHY Device Tree Bindings
    8 
    9 maintainers:
   10   - Chen-Yu Tsai <wens@csie.org>
   11   - Maxime Ripard <mripard@kernel.org>
   12 
   13 properties:
   14   "#phy-cells":
   15     const: 1
   16 
   17   compatible:
   18     enum:
   19       - allwinner,sun4i-a10-usb-phy
   20       - allwinner,sun7i-a20-usb-phy
   21 
   22   reg:
   23     items:
   24       - description: PHY Control registers
   25       - description: PHY PMU1 registers
   26       - description: PHY PMU2 registers
   27 
   28   reg-names:
   29     items:
   30       - const: phy_ctrl
   31       - const: pmu1
   32       - const: pmu2
   33 
   34   clocks:
   35     maxItems: 1
   36     description: USB PHY bus clock
   37 
   38   clock-names:
   39     const: usb_phy
   40 
   41   resets:
   42     items:
   43       - description: USB OTG reset
   44       - description: USB Host 1 Controller reset
   45       - description: USB Host 2 Controller reset
   46 
   47   reset-names:
   48     items:
   49       - const: usb0_reset
   50       - const: usb1_reset
   51       - const: usb2_reset
   52 
   53   usb0_id_det-gpios:
   54     maxItems: 1
   55     description: GPIO to the USB OTG ID pin
   56 
   57   usb0_vbus_det-gpios:
   58     maxItems: 1
   59     description: GPIO to the USB OTG VBUS detect pin
   60 
   61   usb0_vbus_power-supply:
   62     description: Power supply to detect the USB OTG VBUS
   63 
   64   usb0_vbus-supply:
   65     description: Regulator controlling USB OTG VBUS
   66 
   67   usb1_vbus-supply:
   68     description: Regulator controlling USB1 Host controller
   69 
   70   usb2_vbus-supply:
   71     description: Regulator controlling USB2 Host controller
   72 
   73 required:
   74   - "#phy-cells"
   75   - compatible
   76   - clocks
   77   - clock-names
   78   - reg
   79   - reg-names
   80   - resets
   81   - reset-names
   82 
   83 additionalProperties: false
   84 
   85 examples:
   86   - |
   87     #include <dt-bindings/gpio/gpio.h>
   88     #include <dt-bindings/clock/sun4i-a10-ccu.h>
   89     #include <dt-bindings/reset/sun4i-a10-ccu.h>
   90 
   91     usbphy: phy@1c13400 {
   92         #phy-cells = <1>;
   93         compatible = "allwinner,sun4i-a10-usb-phy";
   94         reg = <0x01c13400 0x10>, <0x01c14800 0x4>, <0x01c1c800 0x4>;
   95         reg-names = "phy_ctrl", "pmu1", "pmu2";
   96         clocks = <&ccu CLK_USB_PHY>;
   97         clock-names = "usb_phy";
   98         resets = <&ccu RST_USB_PHY0>,
   99                  <&ccu RST_USB_PHY1>,
  100                  <&ccu RST_USB_PHY2>;
  101         reset-names = "usb0_reset", "usb1_reset", "usb2_reset";
  102         usb0_id_det-gpios = <&pio 7 19 GPIO_ACTIVE_HIGH>;
  103         usb0_vbus_det-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>;
  104         usb0_vbus-supply = <&reg_usb0_vbus>;
  105         usb1_vbus-supply = <&reg_usb1_vbus>;
  106         usb2_vbus-supply = <&reg_usb2_vbus>;
  107     };

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