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
  7title: Allwinner A23 USB PHY Device Tree Bindings
  8
  9maintainers:
 10  - Chen-Yu Tsai <wens@csie.org>
 11  - Maxime Ripard <mripard@kernel.org>
 12
 13properties:
 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
 69required:
 70  - "#phy-cells"
 71  - compatible
 72  - clocks
 73  - clock-names
 74  - reg
 75  - reg-names
 76  - resets
 77  - reset-names
 78
 79additionalProperties: false
 80
 81examples:
 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    };