Documentation/devicetree/bindings/phy/allwinner,sun4i-a10-usb-phy.yaml

   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     };