Documentation/devicetree/bindings/phy/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
   7 title: Allwinner A31 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,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
  76 required:
  77   - "#phy-cells"
  78   - compatible
  79   - clocks
  80   - clock-names
  81   - reg
  82   - reg-names
  83   - resets
  84   - reset-names
  85
  86 additionalProperties: false
  87
  88 examples:
  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     };