Documentation/devicetree/bindings/memory-controllers/arm,pl35x-smc.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/memory-controllers/arm,pl35x-smc.yaml

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System
Linux kernel
Corpus path
Documentation/devicetree/bindings/memory-controllers/arm,pl35x-smc.yaml
Extension
.yaml
Size
3750 bytes
Lines
157
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

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

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/memory-controllers/arm,pl35x-smc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Arm PL35x Series Static Memory Controller (SMC)

maintainers:
  - Miquel Raynal <miquel.raynal@bootlin.com>

description: |
  The PL35x Static Memory Controller is a bus where you can connect two kinds
  of memory interfaces, which are NAND and memory mapped interfaces (such as
  SRAM or NOR) depending on the specific configuration.

  The TRM is available here:
  https://documentation-service.arm.com/static/5e8e2524fd977155116a58aa

# We need a select here so we don't match all nodes with 'arm,primecell'
select:
  properties:
    compatible:
      contains:
        enum:
          - arm,pl353-smc-r2p1
          - arm,pl354
  required:
    - compatible

properties:
  $nodename:
    pattern: "^memory-controller@[0-9a-f]+$"

  compatible:
    items:
      - enum:
          - arm,pl353-smc-r2p1
          - arm,pl354
      - const: arm,primecell

  "#address-cells":
    const: 2

  "#size-cells":
    const: 1

  reg:
    items:
      - description:
          Configuration registers for the host and sub-controllers.
          The three chip select regions are defined in 'ranges'.

  clocks:
    minItems: 1
    maxItems: 2

  clock-names:
    minItems: 1
    maxItems: 2

  ranges:
    minItems: 1
    maxItems: 8

  interrupts:
    minItems: 1
    items:
      - description: Combined or Memory interface 0 IRQ
      - description: Memory interface 1 IRQ

Annotation

Implementation Notes