Documentation/devicetree/bindings/soc/qcom/qcom,sa8255p-geni-se-qup.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/soc/qcom/qcom,sa8255p-geni-se-qup.yaml

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System
Linux kernel
Corpus path
Documentation/devicetree/bindings/soc/qcom/qcom,sa8255p-geni-se-qup.yaml
Extension
.yaml
Size
3333 bytes
Lines
127
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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Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/soc/qcom/qcom,sa8255p-geni-se-qup.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: GENI Serial Engine QUP Wrapper Controller

maintainers:
  - Praveen Talari <quic_ptalari@quicinc.com>

description:
  Generic Interface (GENI) based Qualcomm Universal Peripheral (QUP) wrapper
  is a programmable module for supporting a wide range of serial interfaces
  like UART, SPI, I2C, I3C, etc. A single QUP module can provide up to 8 Serial
  Interfaces, using its internal Serial Engines. The GENI Serial Engine QUP
  Wrapper controller is modeled as a node with zero or more child nodes each
  representing a serial engine.

properties:
  compatible:
    oneOf:
      - const: qcom,sa8255p-geni-se-qup
      - items:
          - const: qcom,sa8797p-geni-se-qup
          - const: qcom,sa8255p-geni-se-qup

  reg:
    description: QUP wrapper common register address and length.
    maxItems: 1

  "#address-cells":
    const: 2

  "#size-cells":
    const: 2

  ranges: true

  iommus:
    maxItems: 1

  dma-coherent: true

patternProperties:
  "spi@[0-9a-f]+$":
    type: object
    description: GENI serial engine based SPI controller. SPI in master mode
                 supports up to 50MHz, up to four chip selects, programmable
                 data path from 4 bits to 32 bits and numerous protocol
                 variants.
    additionalProperties: true

    properties:
      compatible:
        oneOf:
          - const: qcom,sa8255p-geni-spi
          - items:
              - const: qcom,sa8797p-geni-spi
              - const: qcom,sa8255p-geni-spi

  "i2c@[0-9a-f]+$":
    type: object
    description: GENI serial engine based I2C controller.
    additionalProperties: true

    properties:
      compatible:
        oneOf:
          - const: qcom,sa8255p-geni-i2c

Annotation

Implementation Notes