fsl,imx8mp-dwc3.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 # Copyright (c) 2020 NXP
    3 %YAML 1.2
    4 ---
    5 $id: http://devicetree.org/schemas/usb/fsl,imx8mp-dwc3.yaml#
    6 $schema: http://devicetree.org/meta-schemas/core.yaml#
    7 
    8 title: NXP iMX8MP Soc USB Controller
    9 
   10 maintainers:
   11   - Li Jun <jun.li@nxp.com>
   12 
   13 properties:
   14   compatible:
   15     const: fsl,imx8mp-dwc3
   16 
   17   reg:
   18     items:
   19       - description: Address and length of the register set for HSIO Block Control
   20       - description: Address and length of the register set for the wrapper of dwc3 core on the SOC.
   21 
   22   "#address-cells":
   23     enum: [ 1, 2 ]
   24 
   25   "#size-cells":
   26     enum: [ 1, 2 ]
   27 
   28   dma-ranges:
   29     description:
   30       See section 2.3.9 of the DeviceTree Specification.
   31 
   32   ranges: true
   33 
   34   interrupts:
   35     maxItems: 1
   36     description: The interrupt that is asserted when a wakeup event is
   37       received.
   38 
   39   clocks:
   40     description:
   41       A list of phandle and clock-specifier pairs for the clocks
   42       listed in clock-names.
   43     items:
   44       - description: system hsio root clock.
   45       - description: suspend clock, used for usb wakeup logic.
   46 
   47   clock-names:
   48     items:
   49       - const: hsio
   50       - const: suspend
   51 
   52   fsl,permanently-attached:
   53     type: boolean
   54     description:
   55       Indicates if the device atached to a downstream port is
   56       permanently attached.
   57 
   58   fsl,disable-port-power-control:
   59     type: boolean
   60     description:
   61       Indicates whether the host controller implementation includes port
   62       power control. Defines Bit 3 in capability register (HCCPARAMS).
   63 
   64   fsl,over-current-active-low:
   65     type: boolean
   66     description:
   67       Over current signal polarity is active low.
   68 
   69   fsl,power-active-low:
   70     type: boolean
   71     description:
   72       Power pad (PWR) polarity is active low.
   73 
   74 # Required child node:
   75 
   76 patternProperties:
   77   "^usb@[0-9a-f]+$":
   78     $ref: snps,dwc3.yaml#
   79 
   80 required:
   81   - compatible
   82   - reg
   83   - "#address-cells"
   84   - "#size-cells"
   85   - dma-ranges
   86   - ranges
   87   - clocks
   88   - clock-names
   89   - interrupts
   90 
   91 additionalProperties: false
   92 
   93 examples:
   94   - |
   95     #include <dt-bindings/clock/imx8mp-clock.h>
   96     #include <dt-bindings/interrupt-controller/arm-gic.h>
   97     usb3_0: usb@32f10100 {
   98       compatible = "fsl,imx8mp-dwc3";
   99       reg = <0x32f10100 0x8>,
  100             <0x381f0000 0x20>;
  101       clocks = <&clk IMX8MP_CLK_HSIO_ROOT>,
  102                <&clk IMX8MP_CLK_USB_ROOT>;
  103       clock-names = "hsio", "suspend";
  104       interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
  105       #address-cells = <1>;
  106       #size-cells = <1>;
  107       dma-ranges = <0x40000000 0x40000000 0xc0000000>;
  108       ranges;
  109 
  110       usb@38100000 {
  111         compatible = "snps,dwc3";
  112         reg = <0x38100000 0x10000>;
  113         clocks = <&clk IMX8MP_CLK_HSIO_AXI>,
  114                  <&clk IMX8MP_CLK_USB_CORE_REF>,
  115                  <&clk IMX8MP_CLK_USB_ROOT>;
  116         clock-names = "bus_early", "ref", "suspend";
  117         assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>;
  118         assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>;
  119         assigned-clock-rates = <500000000>;
  120         interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
  121         phys = <&usb3_phy0>, <&usb3_phy0>;
  122         phy-names = "usb2-phy", "usb3-phy";
  123         snps,dis-u2-freeclk-exists-quirk;
  124       };
  125     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/usb/fsl,imx8mp-dwc3.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/usb/fsl,imx8mp-dwc3.yaml