Documentation/devicetree/bindings/usb/intel,keembay-dwc3.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/intel,keembay-dwc3.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Intel Keem Bay DWC3 USB controller
   8
   9 maintainers:
  10   - Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
  11
  12 properties:
  13   compatible:
  14     const: intel,keembay-dwc3
  15
  16   clocks:
  17     maxItems: 4
  18
  19   clock-names:
  20     items:
  21       - const: async_master
  22       - const: ref
  23       - const: alt_ref
  24       - const: suspend
  25
  26   ranges: true
  27
  28   '#address-cells':
  29     enum: [ 1, 2 ]
  30
  31   '#size-cells':
  32     enum: [ 1, 2 ]
  33
  34 # Required child node:
  35
  36 patternProperties:
  37   "^usb@[0-9a-f]+$":
  38     $ref: snps,dwc3.yaml#
  39
  40 required:
  41   - compatible
  42   - clocks
  43   - clock-names
  44   - ranges
  45
  46 additionalProperties: false
  47
  48 examples:
  49   - |
  50     #include <dt-bindings/interrupt-controller/arm-gic.h>
  51     #include <dt-bindings/interrupt-controller/irq.h>
  52     #define KEEM_BAY_A53_AUX_USB
  53     #define KEEM_BAY_A53_AUX_USB_REF
  54     #define KEEM_BAY_A53_AUX_USB_ALT_REF
  55     #define KEEM_BAY_A53_AUX_USB_SUSPEND
  56
  57     usb {
  58           compatible = "intel,keembay-dwc3";
  59           clocks = <&scmi_clk KEEM_BAY_A53_AUX_USB>,
  60                    <&scmi_clk KEEM_BAY_A53_AUX_USB_REF>,
  61                    <&scmi_clk KEEM_BAY_A53_AUX_USB_ALT_REF>,
  62                    <&scmi_clk KEEM_BAY_A53_AUX_USB_SUSPEND>;
  63           clock-names = "async_master", "ref", "alt_ref", "suspend";
  64           ranges;
  65           #address-cells = <1>;
  66           #size-cells = <1>;
  67
  68           usb@34000000 {
  69                 compatible = "snps,dwc3";
  70                 reg = <0x34000000 0x10000>;
  71                 interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
  72                 dr_mode = "peripheral";
  73           };
  74     };