Documentation/devicetree/bindings/usb/maxim,max3420-udc.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/usb/maxim,max3420-udc.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/usb/maxim,max3420-udc.yaml
Extension
.yaml
Size
1477 bytes
Lines
68
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/maxim,max3420-udc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: MAXIM MAX3420/1 USB Peripheral Controller

maintainers:
  - Jassi Brar <jaswinder.singh@linaro.org>

description: |
  The controller provices USB2.0 compliant FullSpeed peripheral
  implementation over the SPI interface.

  Specifications about the part can be found at:
    http://datasheets.maximintegrated.com/en/ds/MAX3420E.pdf

properties:
  compatible:
    enum:
      - maxim,max3420-udc
      - maxim,max3421-udc

  reg:
    maxItems: 1

  interrupts:
    items:
      - description: usb irq from max3420
      - description: vbus detection irq
    minItems: 1

  interrupt-names:
    items:
      - const: udc
      - const: vbus
    minItems: 1

  spi-max-frequency:
    maximum: 26000000

required:
  - compatible
  - reg
  - interrupts
  - interrupt-names

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    spi {
        #address-cells = <1>;
        #size-cells = <0>;

        udc@0 {
            compatible = "maxim,max3420-udc";
            reg = <0>;
            interrupt-parent = <&gpio>;
            interrupts = <0 IRQ_TYPE_EDGE_FALLING>, <10 IRQ_TYPE_EDGE_BOTH>;
            interrupt-names = "udc", "vbus";
            spi-max-frequency = <12500000>;
        };
    };

Annotation

Implementation Notes