Documentation/devicetree/bindings/spi/brcm,spi-bcm-qspi.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/spi/brcm,spi-bcm-qspi.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/spi/brcm,spi-bcm-qspi.yaml
Extension
.yaml
Size
6304 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.

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/brcm,spi-bcm-qspi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Broadcom SPI controller

maintainers:
  - Kamal Dasu <kdasu.kdev@gmail.com>
  - Rafał Miłecki <rafal@milecki.pl>

description: |
  The Broadcom SPI controller is a SPI master found on various SOCs, including
  BRCMSTB (BCM7XXX), Cygnus, NSP and NS2. The Broadcom Master SPI hw IP consists
  of:
    MSPI : SPI master controller can read and write to a SPI slave device
    BSPI : Broadcom SPI in combination with the MSPI hw IP provides acceleration
           for flash reads and be configured to do single, double, quad lane
           io with 3-byte and 4-byte addressing support.

  Supported Broadcom SoCs have one instance of MSPI+BSPI controller IP.
  MSPI master can be used without BSPI. BRCMSTB SoCs have an additional instance
  of a MSPI master without the BSPI to use with non flash slave devices that
  use SPI protocol.

allOf:
  - $ref: spi-controller.yaml#

properties:
  compatible:
    oneOf:
      - description: Second Instance of MSPI BRCMSTB SoCs
        items:
          - enum:
              - brcm,spi-bcm7425-qspi
              - brcm,spi-bcm7429-qspi
              - brcm,spi-bcm7435-qspi
              - brcm,spi-bcm7445-qspi
              - brcm,spi-bcm7216-qspi
              - brcm,spi-bcm7278-qspi
          - const: brcm,spi-bcm-qspi
          - const: brcm,spi-brcmstb-mspi
      - description: Second Instance of MSPI BRCMSTB SoCs
        items:
          - enum:
              - brcm,spi-brcmstb-qspi
              - brcm,spi-brcmstb-mspi
              - brcm,spi-nsp-qspi
              - brcm,spi-ns2-qspi
          - const: brcm,spi-bcm-qspi

  reg:
    minItems: 1
    maxItems: 5

  reg-names:
    minItems: 1
    items:
      - const: mspi
      - const: bspi
      - enum: [ intr_regs, intr_status_reg, cs_reg ]
      - enum: [ intr_regs, intr_status_reg, cs_reg ]
      - enum: [ intr_regs, intr_status_reg, cs_reg ]

  interrupts:
    minItems: 1
    maxItems: 7

  interrupt-names:

Annotation

Implementation Notes