Documentation/devicetree/bindings/phy/allwinner,sun5i-a13-usb-phy.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/phy/allwinner,sun5i-a13-usb-phy.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner A13 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     const: allwinner,sun5i-a13-usb-phy
  19
  20   reg:
  21     items:
  22       - description: PHY Control registers
  23       - description: PHY PMU1 registers
  24
  25   reg-names:
  26     items:
  27       - const: phy_ctrl
  28       - const: pmu1
  29
  30   clocks:
  31     maxItems: 1
  32     description: USB OTG PHY bus clock
  33
  34   clock-names:
  35     const: usb_phy
  36
  37   resets:
  38     items:
  39       - description: USB OTG reset
  40       - description: USB Host 1 Controller reset
  41
  42   reset-names:
  43     items:
  44       - const: usb0_reset
  45       - const: usb1_reset
  46
  47   usb0_id_det-gpios:
  48     description: GPIO to the USB OTG ID pin
  49
  50   usb0_vbus_det-gpios:
  51     description: GPIO to the USB OTG VBUS detect pin
  52
  53   usb0_vbus_power-supply:
  54     description: Power supply to detect the USB OTG VBUS
  55
  56   usb0_vbus-supply:
  57     description: Regulator controlling USB OTG VBUS
  58
  59   usb1_vbus-supply:
  60     description: Regulator controlling USB1 Host controller
  61
  62 required:
  63   - "#phy-cells"
  64   - compatible
  65   - clocks
  66   - clock-names
  67   - reg
  68   - reg-names
  69   - resets
  70   - reset-names
  71
  72 additionalProperties: false
  73
  74 examples:
  75   - |
  76     #include <dt-bindings/gpio/gpio.h>
  77     #include <dt-bindings/clock/sun5i-ccu.h>
  78     #include <dt-bindings/reset/sun5i-ccu.h>
  79
  80     phy@1c13400 {
  81         #phy-cells = <1>;
  82         compatible = "allwinner,sun5i-a13-usb-phy";
  83         reg = <0x01c13400 0x10>, <0x01c14800 0x4>;
  84         reg-names = "phy_ctrl", "pmu1";
  85         clocks = <&ccu CLK_USB_PHY0>;
  86         clock-names = "usb_phy";
  87         resets = <&ccu RST_USB_PHY0>, <&ccu RST_USB_PHY1>;
  88         reset-names = "usb0_reset", "usb1_reset";
  89         usb0_id_det-gpios = <&pio 6 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PG2 */
  90         usb0_vbus_det-gpios = <&pio 6 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* PG1 */
  91         usb0_vbus-supply = <&reg_usb0_vbus>;
  92         usb1_vbus-supply = <&reg_usb1_vbus>;
  93     };