xref: /linux/Documentation/devicetree/bindings/clock/amlogic,c3-peripherals-clkc.yaml (revision fc1c7f941c71460a730a449f76764d883e270cba)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (C) 2022-2023 Amlogic, Inc. All rights reserved
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/amlogic,c3-peripherals-clkc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Amlogic C3 series Peripheral Clock Controller

maintainers:
  - Neil Armstrong <neil.armstrong@linaro.org>
  - Jerome Brunet <jbrunet@baylibre.com>
  - Xianwei Zhao <xianwei.zhao@amlogic.com>
  - Chuan Liu <chuan.liu@amlogic.com>

properties:
  compatible:
    const: amlogic,c3-peripherals-clkc

  reg:
    maxItems: 1

  clocks:
    minItems: 16
    items:
      - description: input oscillator (usually at 24MHz)
      - description: input oscillators multiplexer
      - description: input fix pll
      - description: input fclk div 2
      - description: input fclk div 2p5
      - description: input fclk div 3
      - description: input fclk div 4
      - description: input fclk div 5
      - description: input fclk div 7
      - description: input gp0 pll
      - description: input gp1 pll
      - description: input hifi pll
      - description: input sys clk
      - description: input axi clk
      - description: input sys pll div 16
      - description: input cpu clk div 16
      - description: input pad clock for rtc clk (optional)

  clock-names:
    minItems: 16
    items:
      - const: xtal_24m
      - const: oscin
      - const: fix
      - const: fdiv2
      - const: fdiv2p5
      - const: fdiv3
      - const: fdiv4
      - const: fdiv5
      - const: fdiv7
      - const: gp0
      - const: gp1
      - const: hifi
      - const: sysclk
      - const: axiclk
      - const: sysplldiv16
      - const: cpudiv16
      - const: pad_osc

  "#clock-cells":
    const: 1

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

additionalProperties: false

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

        clock-controller@0 {
            compatible = "amlogic,c3-peripherals-clkc";
            reg = <0x0 0x0 0x0 0x49c>;
            #clock-cells = <1>;
            clocks = <&xtal_24m>,
                     <&scmi_clk 8>,
                     <&scmi_clk 12>,
                     <&clkc_pll 3>,
                     <&clkc_pll 5>,
                     <&clkc_pll 7>,
                     <&clkc_pll 9>,
                     <&clkc_pll 11>,
                     <&clkc_pll 13>,
                     <&clkc_pll 15>,
                     <&scmi_clk 13>,
                     <&clkc_pll 17>,
                     <&scmi_clk 9>,
                     <&scmi_clk 10>,
                     <&scmi_clk 14>,
                     <&scmi_clk 15>;
            clock-names = "xtal_24m",
                          "oscin",
                          "fix",
                          "fdiv2",
                          "fdiv2p5",
                          "fdiv3",
                          "fdiv4",
                          "fdiv5",
                          "fdiv7",
                          "gp0",
                          "gp1",
                          "hifi",
                          "sysclk",
                          "axiclk",
                          "sysplldiv16",
                          "cpudiv16";
        };
    };