xref: /linux/Documentation/devicetree/bindings/clock/amlogic,a9-aoclkc.yaml (revision 502d45774af09f1c681c754c4b7cdfb5d7f72fd9)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (C) 2026 Amlogic, Inc. All rights reserved
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/amlogic,a9-aoclkc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Amlogic A9 Series Always-On Clock Controller

maintainers:
  - Neil Armstrong <neil.armstrong@linaro.org>
  - Jerome Brunet <jbrunet@baylibre.com>
  - Jian Hu <jian.hu@amlogic.com>
  - Xianwei Zhao <xianwei.zhao@amlogic.com>

properties:
  compatible:
    const: amlogic,a9-aoclkc

  reg:
    maxItems: 1

  '#clock-cells':
    const: 1

  clocks:
    minItems: 5
    items:
      - description: input oscillator
      - description: input fclk div 3
      - description: input fclk div 4
      - description: input fclk div 5
      - description: input sys clk
      - description: external fixed 32k (optional)

  clock-names:
    minItems: 5
    items:
      - const: xtal
      - const: fdiv3
      - const: fdiv4
      - const: fdiv5
      - const: sys
      - const: ext_32k

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

additionalProperties: false

examples:
  - |
    soc {
        #address-cells = <2>;
        #size-cells = <2>;

        clock-controller@0 {
            compatible = "amlogic,a9-aoclkc";
            reg = <0x0 0x0 0x0 0x58>;
            #clock-cells = <1>;
            clocks = <&xtal>,
                     <&scmi_clk 14>,
                     <&scmi_clk 16>,
                     <&scmi_clk 18>,
                     <&scmi_clk 21>;
            clock-names = "xtal",
                          "fdiv3",
                          "fdiv4",
                          "fdiv5",
                          "sys";
        };
    };