Documentation/devicetree/bindings/phy/allwinner,sun50i-a64-usb-phy.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/phy/allwinner,sun50i-a64-usb-phy.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner A64 USB PHY
   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,sun20i-d1-usb-phy
  20       - allwinner,sun50i-a64-usb-phy
  21
  22   reg:
  23     items:
  24       - description: PHY Control registers
  25       - description: PHY PMU0 registers
  26       - description: PHY PMU1 registers
  27
  28   reg-names:
  29     items:
  30       - const: phy_ctrl
  31       - const: pmu0
  32       - const: pmu1
  33
  34   clocks:
  35     items:
  36       - description: USB OTG PHY bus clock
  37       - description: USB Host 0 PHY bus clock
  38
  39   clock-names:
  40     items:
  41       - const: usb0_phy
  42       - const: usb1_phy
  43
  44   resets:
  45     items:
  46       - description: USB OTG reset
  47       - description: USB Host 1 Controller reset
  48
  49   reset-names:
  50     items:
  51       - const: usb0_reset
  52       - const: usb1_reset
  53
  54   usb0_id_det-gpios:
  55     maxItems: 1
  56     description: GPIO to the USB OTG ID pin
  57
  58   usb0_vbus_det-gpios:
  59     maxItems: 1
  60     description: GPIO to the USB OTG VBUS detect pin
  61
  62   usb0_vbus_power-supply:
  63     description: Power supply to detect the USB OTG VBUS
  64
  65   usb0_vbus-supply:
  66     description: Regulator controlling USB OTG VBUS
  67
  68   usb1_vbus-supply:
  69     description: Regulator controlling USB1 Host controller
  70
  71 required:
  72   - "#phy-cells"
  73   - compatible
  74   - clocks
  75   - clock-names
  76   - reg
  77   - reg-names
  78   - resets
  79   - reset-names
  80
  81 additionalProperties: false
  82
  83 examples:
  84   - |
  85     #include <dt-bindings/gpio/gpio.h>
  86     #include <dt-bindings/clock/sun50i-a64-ccu.h>
  87     #include <dt-bindings/reset/sun50i-a64-ccu.h>
  88
  89     phy@1c19400 {
  90         #phy-cells = <1>;
  91         compatible = "allwinner,sun50i-a64-usb-phy";
  92         reg = <0x01c19400 0x14>,
  93               <0x01c1a800 0x4>,
  94               <0x01c1b800 0x4>;
  95         reg-names = "phy_ctrl",
  96                     "pmu0",
  97                     "pmu1";
  98         clocks = <&ccu CLK_USB_PHY0>,
  99                  <&ccu CLK_USB_PHY1>;
 100         clock-names = "usb0_phy",
 101                       "usb1_phy";
 102         resets = <&ccu RST_USB_PHY0>,
 103                  <&ccu RST_USB_PHY1>;
 104         reset-names = "usb0_reset",
 105                       "usb1_reset";
 106         usb0_id_det-gpios = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
 107         usb0_vbus_power-supply = <&usb_power_supply>;
 108         usb0_vbus-supply = <&reg_drivevbus>;
 109         usb1_vbus-supply = <&reg_usb1_vbus>;
 110     };