Documentation/devicetree/bindings/clock/st,stm32mp21-rcc.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/clock/st,stm32mp21-rcc.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/clock/st,stm32mp21-rcc.yaml
Extension
.yaml
Size
8766 bytes
Lines
200
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/clock/st,stm32mp21-rcc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: STM32MP21 Reset Clock Controller

maintainers:
  - Gabriel Fernandez <gabriel.fernandez@foss.st.com>

description: |
  The RCC hardware block is both a reset and a clock controller.
  RCC makes also power management (resume/suspend).

  See also:
    include/dt-bindings/clock/st,stm32mp21-rcc.h
    include/dt-bindings/reset/st,stm32mp21-rcc.h

properties:
  compatible:
    enum:
      - st,stm32mp21-rcc

  reg:
    maxItems: 1

  '#clock-cells':
    const: 1

  '#reset-cells':
    const: 1

  clocks:
    items:
      - description: CK_SCMI_HSE High Speed External oscillator (8 to 48 MHz)
      - description: CK_SCMI_HSI High Speed Internal oscillator (~ 64 MHz)
      - description: CK_SCMI_MSI Low Power Internal oscillator (~ 4 MHz or ~ 16 MHz)
      - description: CK_SCMI_LSE Low Speed External oscillator (32 KHz)
      - description: CK_SCMI_LSI Low Speed Internal oscillator (~ 32 KHz)
      - description: CK_SCMI_HSE_DIV2 CK_SCMI_HSE divided by 2 (could be gated)
      - description: CK_SCMI_ICN_HS_MCU High Speed interconnect bus clock
      - description: CK_SCMI_ICN_LS_MCU Low Speed interconnect bus clock
      - description: CK_SCMI_ICN_SDMMC SDMMC interconnect bus clock
      - description: CK_SCMI_ICN_DDR DDR interconnect bus clock
      - description: CK_SCMI_ICN_DISPLAY Display interconnect bus clock
      - description: CK_SCMI_ICN_HSL HSL interconnect bus clock
      - description: CK_SCMI_ICN_NIC NIC interconnect bus clock
      - description: CK_SCMI_FLEXGEN_07 flexgen clock 7
      - description: CK_SCMI_FLEXGEN_08 flexgen clock 8
      - description: CK_SCMI_FLEXGEN_09 flexgen clock 9
      - description: CK_SCMI_FLEXGEN_10 flexgen clock 10
      - description: CK_SCMI_FLEXGEN_11 flexgen clock 11
      - description: CK_SCMI_FLEXGEN_12 flexgen clock 12
      - description: CK_SCMI_FLEXGEN_13 flexgen clock 13
      - description: CK_SCMI_FLEXGEN_14 flexgen clock 14
      - description: CK_SCMI_FLEXGEN_16 flexgen clock 16
      - description: CK_SCMI_FLEXGEN_17 flexgen clock 17
      - description: CK_SCMI_FLEXGEN_18 flexgen clock 18
      - description: CK_SCMI_FLEXGEN_19 flexgen clock 19
      - description: CK_SCMI_FLEXGEN_20 flexgen clock 20
      - description: CK_SCMI_FLEXGEN_21 flexgen clock 21
      - description: CK_SCMI_FLEXGEN_22 flexgen clock 22
      - description: CK_SCMI_FLEXGEN_23 flexgen clock 23
      - description: CK_SCMI_FLEXGEN_24 flexgen clock 24
      - description: CK_SCMI_FLEXGEN_25 flexgen clock 25
      - description: CK_SCMI_FLEXGEN_26 flexgen clock 26
      - description: CK_SCMI_FLEXGEN_27 flexgen clock 27
      - description: CK_SCMI_FLEXGEN_29 flexgen clock 29
      - description: CK_SCMI_FLEXGEN_30 flexgen clock 30

Annotation

Implementation Notes