xref: /freebsd/sys/contrib/device-tree/Bindings/clock/st,stm32mp25-rcc.yaml (revision 8d13bc63c0e1d50bc9e47ac1f26329c999bfecf0)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/st,stm32mp25-rcc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: STM32MP25 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/supend).

  See also::
    include/dt-bindings/clock/st,stm32mp25-rcc.h
    include/dt-bindings/reset/st,stm32mp25-rcc.h

properties:
  compatible:
    enum:
      - st,stm32mp25-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)

  clock-names:
    items:
      - const: hse
      - const: hsi
      - const: msi
      - const: lse
      - const: lsi

required:
  - compatible
  - reg
  - '#clock-cells'
  - '#reset-cells'
  - clocks
  - clock-names

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/st,stm32mp25-rcc.h>

    rcc: clock-controller@44200000 {
        compatible = "st,stm32mp25-rcc";
        reg = <0x44200000 0x10000>;
        #clock-cells = <1>;
        #reset-cells = <1>;
        clock-names = "hse", "hsi", "msi", "lse", "lsi";
        clocks = <&scmi_clk CK_SCMI_HSE>,
                 <&scmi_clk CK_SCMI_HSI>,
                 <&scmi_clk CK_SCMI_MSI>,
                 <&scmi_clk CK_SCMI_LSE>,
                 <&scmi_clk CK_SCMI_LSI>;
    };
...