ti,am62-usb.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/usb/ti,am62-usb.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: TI's AM62 wrapper module for the Synopsys USBSS-DRD controller
    8 
    9 maintainers:
   10   - Aswath Govindraju <a-govindraju@ti.com>
   11 
   12 properties:
   13   compatible:
   14     const: ti,am62-usb
   15 
   16   reg:
   17     maxItems: 1
   18 
   19   ranges: true
   20 
   21   power-domains:
   22     description:
   23       PM domain provider node and an args specifier containing
   24       the USB ISO device id value. See,
   25       Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml
   26     maxItems: 1
   27 
   28   clocks:
   29     description: Clock phandle to usb2_refclk
   30     maxItems: 1
   31 
   32   clock-names:
   33     items:
   34       - const: ref
   35 
   36   ti,vbus-divider:
   37     description:
   38       Should be present if USB VBUS line is connected to the
   39       VBUS pin of the SoC via a 1/3 voltage divider.
   40     type: boolean
   41 
   42   ti,syscon-phy-pll-refclk:
   43     $ref: /schemas/types.yaml#/definitions/phandle-array
   44     items:
   45       - items:
   46           - description: Phandle to the SYSCON entry
   47           - description: USB phy control register offset within SYSCON
   48     description:
   49       Specifier for conveying frequency of ref clock input, for the
   50       operation of USB2PHY.
   51 
   52   '#address-cells':
   53     const: 2
   54 
   55   '#size-cells':
   56     const: 2
   57 
   58 patternProperties:
   59   "^usb@[0-9a-f]+$":
   60     $ref: snps,dwc3.yaml#
   61     description: Required child node
   62 
   63 required:
   64   - compatible
   65   - reg
   66   - power-domains
   67   - clocks
   68   - clock-names
   69   - ti,syscon-phy-pll-refclk
   70 
   71 additionalProperties: false
   72 
   73 examples:
   74   - |
   75     #include <dt-bindings/soc/ti,sci_pm_domain.h>
   76     #include <dt-bindings/interrupt-controller/arm-gic.h>
   77     #include <dt-bindings/gpio/gpio.h>
   78 
   79     bus {
   80       #address-cells = <2>;
   81       #size-cells = <2>;
   82 
   83       usbss1: usb@f910000 {
   84         compatible = "ti,am62-usb";
   85         reg = <0x00 0x0f910000 0x00 0x800>;
   86         clocks = <&k3_clks 162 3>;
   87         clock-names = "ref";
   88         ti,syscon-phy-pll-refclk = <&wkup_conf 0x4018>;
   89         power-domains = <&k3_pds 179 TI_SCI_PD_EXCLUSIVE>;
   90         #address-cells = <2>;
   91         #size-cells = <2>;
   92 
   93         usb@31100000 {
   94           compatible = "snps,dwc3";
   95           reg =<0x00 0x31100000 0x00 0x50000>;
   96           interrupts = <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>, /* irq.0 */
   97                        <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>; /* irq.0 */
   98           interrupt-names = "host", "peripheral";
   99           maximum-speed = "high-speed";
  100           dr_mode = "otg";
  101         };
  102       };
  103     };

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sys/contrib/device-tree/Bindings/usb/ti,am62-usb.yaml