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
  7title: Allwinner A10 USB PHY
  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,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
 73required:
 74  - "#phy-cells"
 75  - compatible
 76  - clocks
 77  - clock-names
 78  - reg
 79  - reg-names
 80  - resets
 81  - reset-names
 82
 83additionalProperties: false
 84
 85examples:
 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    };