Documentation/devicetree/bindings/phy/allwinner,sun8i-a23-usb-phy.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/phy/allwinner,sun8i-a23-usb-phy.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner A23 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,sun8i-a23-usb-phy
  20       - allwinner,sun8i-a33-usb-phy
  21
  22   reg:
  23     items:
  24       - description: PHY Control registers
  25       - description: PHY PMU1 registers
  26
  27   reg-names:
  28     items:
  29       - const: phy_ctrl
  30       - const: pmu1
  31
  32   clocks:
  33     items:
  34       - description: USB OTG PHY bus clock
  35       - description: USB Host 0 PHY bus clock
  36
  37   clock-names:
  38     items:
  39       - const: usb0_phy
  40       - const: usb1_phy
  41
  42   resets:
  43     items:
  44       - description: USB OTG reset
  45       - description: USB Host 1 Controller reset
  46
  47   reset-names:
  48     items:
  49       - const: usb0_reset
  50       - const: usb1_reset
  51
  52   usb0_id_det-gpios:
  53     maxItems: 1
  54     description: GPIO to the USB OTG ID pin
  55
  56   usb0_vbus_det-gpios:
  57     maxItems: 1
  58     description: GPIO to the USB OTG VBUS detect pin
  59
  60   usb0_vbus_power-supply:
  61     description: Power supply to detect the USB OTG VBUS
  62
  63   usb0_vbus-supply:
  64     description: Regulator controlling USB OTG VBUS
  65
  66   usb1_vbus-supply:
  67     description: Regulator controlling USB1 Host controller
  68
  69 required:
  70   - "#phy-cells"
  71   - compatible
  72   - clocks
  73   - clock-names
  74   - reg
  75   - reg-names
  76   - resets
  77   - reset-names
  78
  79 additionalProperties: false
  80
  81 examples:
  82   - |
  83     #include <dt-bindings/gpio/gpio.h>
  84     #include <dt-bindings/clock/sun8i-a23-a33-ccu.h>
  85     #include <dt-bindings/reset/sun8i-a23-a33-ccu.h>
  86
  87     phy@1c19400 {
  88         #phy-cells = <1>;
  89         compatible = "allwinner,sun8i-a23-usb-phy";
  90         reg = <0x01c19400 0x10>, <0x01c1a800 0x4>;
  91         reg-names = "phy_ctrl", "pmu1";
  92         clocks = <&ccu CLK_USB_PHY0>,
  93                  <&ccu CLK_USB_PHY1>;
  94         clock-names = "usb0_phy",
  95                       "usb1_phy";
  96         resets = <&ccu RST_USB_PHY0>,
  97                  <&ccu RST_USB_PHY1>;
  98         reset-names = "usb0_reset",
  99                       "usb1_reset";
 100         usb0_id_det-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */
 101         usb0_vbus_power-supply = <&usb_power_supply>;
 102         usb0_vbus-supply = <&reg_drivevbus>;
 103         usb1_vbus-supply = <&reg_usb1_vbus>;
 104     };