Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml
Extension
.yaml
Size
2278 bytes
Lines
100
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-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mfd/atmel,sama5d2-flexcom.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Microchip Flexcom (Flexible Serial Communication Unit)

maintainers:
  - Kavyasree Kotagiri <kavyasree.kotagiri@microchip.com>

description:
  The Microchip Flexcom is just a wrapper which embeds a SPI controller,
  an I2C controller and an USART. Only one function can be used at a
  time and is chosen at boot time according to the device tree.

properties:
  compatible:
    oneOf:
      - const: atmel,sama5d2-flexcom
      - items:
          - enum:
              - microchip,lan9691-flexcom
              - microchip,sam9x7-flexcom
              - microchip,sama7d65-flexcom
              - microchip,sama7g5-flexcom
          - const: atmel,sama5d2-flexcom

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  "#address-cells":
    const: 1

  "#size-cells":
    const: 1

  ranges:
    description:
      One range for the full I/O register region. (including USART,
      TWI and SPI registers).
    items:
      maxItems: 3

  atmel,flexcom-mode:
    description: |
      Specifies the flexcom mode as follows:
      1: USART
      2: SPI
      3: I2C.
    $ref: /schemas/types.yaml#/definitions/uint32
    enum: [1, 2, 3]

patternProperties:
  "^serial@[0-9a-f]+$":
    type: object
    description:
      Child node describing USART. See atmel-usart.txt for details
      of USART bindings.

  "^spi@[0-9a-f]+$":
    type: object
    description:
      Child node describing SPI. See ../spi/spi_atmel.txt for details
      of SPI bindings.

  "^i2c@[0-9a-f]+$":

Annotation

Implementation Notes