Documentation/devicetree/bindings/usb/samsung,exynos-usb2.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/usb/samsung,exynos-usb2.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Samsung Exynos SoC USB 2.0 EHCI/OHCI Controller
   8
   9 maintainers:
  10   - Krzysztof Kozlowski <krzk@kernel.org>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - samsung,exynos4210-ehci
  16       - samsung,exynos4210-ohci
  17
  18   clocks:
  19     maxItems: 1
  20
  21   clock-names:
  22     items:
  23       - const: usbhost
  24
  25   interrupts:
  26     maxItems: 1
  27
  28   phys:
  29     minItems: 1
  30     maxItems: 3
  31
  32   phy-names:
  33     items:
  34       enum: [host, hsic0, hsic1]
  35     minItems: 1
  36     maxItems: 3
  37
  38   reg:
  39     maxItems: 1
  40
  41   samsung,vbus-gpio:
  42     description:
  43       Only for controller in EHCI mode, if present, specifies the GPIO that
  44       needs to be pulled up for the bus to be powered.
  45
  46 required:
  47   - compatible
  48   - clocks
  49   - clock-names
  50   - interrupts
  51   - phys
  52   - phy-names
  53   - reg
  54
  55 allOf:
  56   - $ref: usb-hcd.yaml#
  57   - if:
  58       properties:
  59         compatible:
  60           contains:
  61             const: samsung,exynos4210-ohci
  62     then:
  63       properties:
  64         samsung,vbus-gpio: false
  65
  66 unevaluatedProperties: false
  67
  68 examples:
  69   - |
  70     #include <dt-bindings/clock/exynos5420.h>
  71     #include <dt-bindings/interrupt-controller/arm-gic.h>
  72
  73     usb@12110000 {
  74         compatible = "samsung,exynos4210-ehci";
  75         reg = <0x12110000 0x100>;
  76         interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
  77         clocks = <&clock CLK_USBH20>;
  78         clock-names = "usbhost";
  79         phys = <&usb2_phy 0>;
  80         phy-names = "host";
  81
  82         #address-cells = <1>;
  83         #size-cells = <0>;
  84
  85         hub@1 {
  86             compatible = "usb0424,9514";
  87             reg = <1>;
  88             #address-cells = <1>;
  89             #size-cells = <0>;
  90
  91             usbether@1 {
  92                 compatible = "usb0424,ec00";
  93                 reg = <1>;
  94                 local-mac-address = [00 00 00 00 00 00];
  95             };
  96         };
  97     };
  98
  99     usb@12120000 {
 100         compatible = "samsung,exynos4210-ohci";
 101         reg = <0x12120000 0x100>;
 102         interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
 103         clocks = <&clock CLK_USBH20>;
 104         clock-names = "usbhost";
 105         phys = <&usb2_phy 0>;
 106         phy-names = "host";
 107     };