Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
Extension
.yaml
Size
6014 bytes
Lines
197
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.

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Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/remoteproc/st,stm32-rproc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: STMicroelectronics STM32 remote processor controller

description:
  This document defines the binding for the remoteproc component that loads and
  boots firmwares on the ST32MP family chipset.

maintainers:
  - Fabien Dessenne <fabien.dessenne@foss.st.com>
  - Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>

properties:
  compatible:
    const: st,stm32mp1-m4

  reg:
    description:
      Address ranges of the RETRAM and MCU SRAM memories used by the remote
      processor.
    maxItems: 3

  resets:
    minItems: 1
    maxItems: 2

  reset-names:
    items:
      - const: mcu_rst
      - const: hold_boot
    minItems: 1

  st,syscfg-holdboot:
    description: remote processor reset hold boot
    $ref: /schemas/types.yaml#/definitions/phandle-array
    items:
      - items:
          - description: Phandle of syscon block
          - description: The offset of the hold boot setting register
          - description: The field mask of the hold boot

  st,syscfg-tz:
    deprecated: true
    description:
      Reference to the system configuration which holds the RCC trust zone mode
    $ref: /schemas/types.yaml#/definitions/phandle-array
    items:
      - items:
          - description: Phandle of syscon block
          - description: The offset of the trust zone setting register
          - description: The field mask of the trust zone state

  interrupts:
    description: Should contain the WWDG1 watchdog reset interrupt
    maxItems: 1

  wakeup-source: true

  mboxes:
    description:
      This property is required only if the rpmsg/virtio functionality is used.
    items:
      - description: |
          A channel (a) used to communicate through virtqueues with the
          remote proc.
          Bi-directional channel:

Annotation

Implementation Notes