Documentation/devicetree/bindings/spi/st,stm32-spi.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
Extension
.yaml
Size
2819 bytes
Lines
132
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/spi/st,stm32-spi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: STMicroelectronics STM32 SPI Controller

description: |
  The STM32 SPI controller is used to communicate with external devices using
  the Serial Peripheral Interface. It supports full-duplex, half-duplex and
  simplex synchronous serial communication with external devices. It supports
  from 4 to 32-bit data size.

maintainers:
  - Erwan Leray <erwan.leray@foss.st.com>
  - Fabrice Gasnier <fabrice.gasnier@foss.st.com>

allOf:
  - $ref: spi-controller.yaml#
  - if:
      properties:
        compatible:
          contains:
            const: st,stm32f4-spi

    then:
      properties:
        st,spi-midi-ns: false
        sram: false
        dmas:
          maxItems: 2
        dma-names:
          items:
            - const: rx
            - const: tx

  - if:
      properties:
        compatible:
          contains:
            const: st,stm32mp25-spi

    then:
      properties:
        sram: false
        dmas:
          maxItems: 2
        dma-names:
          items:
            - const: rx
            - const: tx

properties:
  compatible:
    enum:
      - st,stm32f4-spi
      - st,stm32f7-spi
      - st,stm32h7-spi
      - st,stm32mp25-spi

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  interrupts:
    maxItems: 1

Annotation

Implementation Notes