Documentation/devicetree/bindings/phy/allwinner,sun8i-a83t-usb-phy.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/phy/allwinner,sun8i-a83t-usb-phy.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner A83t 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,sun8i-a83t-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       - description: USB HSIC 12MHz clock
  38
  39   clock-names:
  40     items:
  41       - const: usb0_phy
  42       - const: usb1_phy
  43       - const: usb2_phy
  44       - const: usb2_hsic_12M
  45
  46   resets:
  47     items:
  48       - description: USB OTG reset
  49       - description: USB Host 1 Controller reset
  50       - description: USB Host 2 Controller reset
  51
  52   reset-names:
  53     items:
  54       - const: usb0_reset
  55       - const: usb1_reset
  56       - const: usb2_reset
  57
  58   usb0_id_det-gpios:
  59     maxItems: 1
  60     description: GPIO to the USB OTG ID pin
  61
  62   usb0_vbus_det-gpios:
  63     maxItems: 1
  64     description: GPIO to the USB OTG VBUS detect pin
  65
  66   usb0_vbus_power-supply:
  67     description: Power supply to detect the USB OTG VBUS
  68
  69   usb0_vbus-supply:
  70     description: Regulator controlling USB OTG VBUS
  71
  72   usb1_vbus-supply:
  73     description: Regulator controlling USB1 Host controller
  74
  75   usb2_vbus-supply:
  76     description: Regulator controlling USB2 Host controller
  77
  78 required:
  79   - "#phy-cells"
  80   - compatible
  81   - clocks
  82   - clock-names
  83   - reg
  84   - reg-names
  85   - resets
  86   - reset-names
  87
  88 additionalProperties: false
  89
  90 examples:
  91   - |
  92     #include <dt-bindings/gpio/gpio.h>
  93     #include <dt-bindings/clock/sun8i-a83t-ccu.h>
  94     #include <dt-bindings/reset/sun8i-a83t-ccu.h>
  95
  96     phy@1c19400 {
  97         #phy-cells = <1>;
  98         compatible = "allwinner,sun8i-a83t-usb-phy";
  99         reg = <0x01c19400 0x10>,
 100               <0x01c1a800 0x14>,
 101               <0x01c1b800 0x14>;
 102         reg-names = "phy_ctrl",
 103                     "pmu1",
 104                     "pmu2";
 105         clocks = <&ccu CLK_USB_PHY0>,
 106                  <&ccu CLK_USB_PHY1>,
 107                  <&ccu CLK_USB_HSIC>,
 108                  <&ccu CLK_USB_HSIC_12M>;
 109         clock-names = "usb0_phy",
 110                       "usb1_phy",
 111                       "usb2_phy",
 112                       "usb2_hsic_12M";
 113         resets = <&ccu RST_USB_PHY0>,
 114                  <&ccu RST_USB_PHY1>,
 115                  <&ccu RST_USB_HSIC>;
 116         reset-names = "usb0_reset",
 117                       "usb1_reset",
 118                       "usb2_reset";
 119         usb0_id_det-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
 120         usb0_vbus_power-supply = <&usb_power_supply>;
 121         usb0_vbus-supply = <&reg_drivevbus>;
 122         usb1_vbus-supply = <&reg_usb1_vbus>;
 123         usb2_vbus-supply = <&reg_usb2_vbus>;
 124     };