sprd,sc9863a-clk.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 # Copyright 2019 Unisoc Inc.
    3 %YAML 1.2
    4 ---
    5 $id: "http://devicetree.org/schemas/clock/sprd,sc9863a-clk.yaml#"
    6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
    7 
    8 title: SC9863A Clock Control Unit Device Tree Bindings
    9 
   10 maintainers:
   11   - Orson Zhai <orsonzhai@gmail.com>
   12   - Baolin Wang <baolin.wang7@gmail.com>
   13   - Chunyan Zhang <zhang.lyra@gmail.com>
   14 
   15 properties:
   16   "#clock-cells":
   17     const: 1
   18 
   19   compatible:
   20     enum:
   21       - sprd,sc9863a-ap-clk
   22       - sprd,sc9863a-aon-clk
   23       - sprd,sc9863a-apahb-gate
   24       - sprd,sc9863a-pmu-gate
   25       - sprd,sc9863a-aonapb-gate
   26       - sprd,sc9863a-pll
   27       - sprd,sc9863a-mpll
   28       - sprd,sc9863a-rpll
   29       - sprd,sc9863a-dpll
   30       - sprd,sc9863a-mm-gate
   31       - sprd,sc9863a-mm-clk
   32       - sprd,sc9863a-apapb-gate
   33 
   34   clocks:
   35     minItems: 1
   36     maxItems: 4
   37     description: |
   38       The input parent clock(s) phandle for this clock, only list fixed
   39       clocks which are declared in devicetree.
   40 
   41   clock-names:
   42     minItems: 1
   43     items:
   44       - const: ext-26m
   45       - const: ext-32k
   46       - const: ext-4m
   47       - const: rco-100m
   48 
   49   reg:
   50     maxItems: 1
   51 
   52 required:
   53   - compatible
   54   - '#clock-cells'
   55 
   56 if:
   57   properties:
   58     compatible:
   59       enum:
   60         - sprd,sc9863a-ap-clk
   61         - sprd,sc9863a-aon-clk
   62 then:
   63   required:
   64     - reg
   65 
   66 else:
   67   description: |
   68     Other SC9863a clock nodes should be the child of a syscon node in
   69     which compatible string shoule be:
   70             "sprd,sc9863a-glbregs", "syscon", "simple-mfd"
   71 
   72     The 'reg' property for the clock node is also required if there is a sub
   73     range of registers for the clocks.
   74 
   75 additionalProperties: false
   76 
   77 examples:
   78   - |
   79     ap_clk: clock-controller@21500000 {
   80       compatible = "sprd,sc9863a-ap-clk";
   81       reg = <0x21500000 0x1000>;
   82       clocks = <&ext_26m>, <&ext_32k>;
   83       clock-names = "ext-26m", "ext-32k";
   84       #clock-cells = <1>;
   85     };
   86 
   87   - |
   88     syscon@20e00000 {
   89       compatible = "sprd,sc9863a-glbregs", "syscon", "simple-mfd";
   90       reg = <0x20e00000 0x4000>;
   91       #address-cells = <1>;
   92       #size-cells = <1>;
   93       ranges = <0 0x20e00000 0x4000>;
   94 
   95       apahb_gate: apahb-gate@0 {
   96         compatible = "sprd,sc9863a-apahb-gate";
   97         reg = <0x0 0x1020>;
   98         #clock-cells = <1>;
   99       };
  100     };
  101 
  102 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/clock/sprd,sc9863a-clk.yaml

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sys/contrib/device-tree/Bindings/clock/sprd,sc9863a-clk.yaml