Documentation/devicetree/bindings/clock/qcom,spmi-clkdiv.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/clock/qcom,spmi-clkdiv.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/clock/qcom,spmi-clkdiv.yaml
Extension
.yaml
Size
1621 bytes
Lines
72
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.

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Annotated Snippet

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

title: Qualcomm SPMI PMIC clock divider

maintainers:
  - Bjorn Andersson <andersson@kernel.org>
  - Stephen Boyd <sboyd@kernel.org>

description: |
  Qualcomm SPMI PMIC clock divider configures the clock frequency of a set of
  outputs on the PMIC.  These clocks are typically wired through alternate
  functions on GPIO pins.

properties:
  compatible:
    const: qcom,spmi-clkdiv

  reg:
    maxItems: 1

  clocks:
    items:
      - description: Board XO source

  clock-names:
    items:
      - const: xo

  "#clock-cells":
    const: 1

  qcom,num-clkdivs:
    $ref: /schemas/types.yaml#/definitions/uint32
    description: Number of CLKDIV peripherals.

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - "#clock-cells"
  - qcom,num-clkdivs

additionalProperties: false

examples:
  - |
    pmic {
        #address-cells = <1>;
        #size-cells = <0>;

        clock-controller@5b00 {
            compatible = "qcom,spmi-clkdiv";
            reg = <0x5b00>;
            clocks = <&xo_board>;
            clock-names = "xo";
            #clock-cells = <1>;
            qcom,num-clkdivs = <3>;

            assigned-clocks = <&pm8998_clk_divs 1>,
                              <&pm8998_clk_divs 2>,
                              <&pm8998_clk_divs 3>;
            assigned-clock-rates = <9600000>,
                                   <9600000>,
                                   <9600000>;
        };

Annotation

Implementation Notes