allwinner,sun6i-a31-usb-phy.yaml

  1# SPDX-License-Identifier: GPL-2.0
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/phy/allwinner,sun6i-a31-usb-phy.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Allwinner A31 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    const: allwinner,sun6i-a31-usb-phy
 19
 20  reg:
 21    items:
 22      - description: PHY Control registers
 23      - description: PHY PMU1 registers
 24      - description: PHY PMU2 registers
 25
 26  reg-names:
 27    items:
 28      - const: phy_ctrl
 29      - const: pmu1
 30      - const: pmu2
 31
 32  clocks:
 33    items:
 34      - description: USB OTG PHY bus clock
 35      - description: USB Host 0 PHY bus clock
 36      - description: USB Host 1 PHY bus clock
 37
 38  clock-names:
 39    items:
 40      - const: usb0_phy
 41      - const: usb1_phy
 42      - const: usb2_phy
 43
 44  resets:
 45    items:
 46      - description: USB OTG reset
 47      - description: USB Host 1 Controller reset
 48      - description: USB Host 2 Controller reset
 49
 50  reset-names:
 51    items:
 52      - const: usb0_reset
 53      - const: usb1_reset
 54      - const: usb2_reset
 55
 56  usb0_id_det-gpios:
 57    maxItems: 1
 58    description: GPIO to the USB OTG ID pin
 59
 60  usb0_vbus_det-gpios:
 61    maxItems: 1
 62    description: GPIO to the USB OTG VBUS detect pin
 63
 64  usb0_vbus_power-supply:
 65    description: Power supply to detect the USB OTG VBUS
 66
 67  usb0_vbus-supply:
 68    description: Regulator controlling USB OTG VBUS
 69
 70  usb1_vbus-supply:
 71    description: Regulator controlling USB1 Host controller
 72
 73  usb2_vbus-supply:
 74    description: Regulator controlling USB2 Host controller
 75
 76required:
 77  - "#phy-cells"
 78  - compatible
 79  - clocks
 80  - clock-names
 81  - reg
 82  - reg-names
 83  - resets
 84  - reset-names
 85
 86additionalProperties: false
 87
 88examples:
 89  - |
 90    #include <dt-bindings/gpio/gpio.h>
 91    #include <dt-bindings/clock/sun6i-a31-ccu.h>
 92    #include <dt-bindings/reset/sun6i-a31-ccu.h>
 93
 94    phy@1c19400 {
 95        #phy-cells = <1>;
 96        compatible = "allwinner,sun6i-a31-usb-phy";
 97        reg = <0x01c19400 0x10>,
 98              <0x01c1a800 0x4>,
 99              <0x01c1b800 0x4>;
100        reg-names = "phy_ctrl",
101                    "pmu1",
102                    "pmu2";
103        clocks = <&ccu CLK_USB_PHY0>,
104                 <&ccu CLK_USB_PHY1>,
105                 <&ccu CLK_USB_PHY2>;
106        clock-names = "usb0_phy",
107                      "usb1_phy",
108                      "usb2_phy";
109        resets = <&ccu RST_USB_PHY0>,
110                 <&ccu RST_USB_PHY1>,
111                 <&ccu RST_USB_PHY2>;
112        reset-names = "usb0_reset",
113                      "usb1_reset",
114                      "usb2_reset";
115        usb0_id_det-gpios = <&pio 0 15 GPIO_ACTIVE_HIGH>; /* PA15 */
116        usb0_vbus_det-gpios = <&pio 0 16 GPIO_ACTIVE_HIGH>; /* PA16 */
117        usb0_vbus_power-supply = <&usb_power_supply>;
118        usb0_vbus-supply = <&reg_drivevbus>;
119        usb1_vbus-supply = <&reg_usb1_vbus>;
120        usb2_vbus-supply = <&reg_usb2_vbus>;
121    };