ingenic,cgu.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/clock/ingenic,cgu.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Ingenic SoCs CGU devicetree bindings
    8 
    9 description: |
   10   The CGU in an Ingenic SoC provides all the clocks generated on-chip. It
   11   typically includes a variety of PLLs, multiplexers, dividers & gates in order
   12   to provide many different clock signals derived from only 2 external source
   13   clocks.
   14 
   15 maintainers:
   16   - Paul Cercueil <paul@crapouillou.net>
   17 
   18 select:
   19   properties:
   20     compatible:
   21       contains:
   22         enum:
   23           - ingenic,jz4740-cgu
   24           - ingenic,jz4725b-cgu
   25           - ingenic,jz4760-cgu
   26           - ingenic,jz4760b-cgu
   27           - ingenic,jz4770-cgu
   28           - ingenic,jz4780-cgu
   29           - ingenic,x1000-cgu
   30           - ingenic,x1830-cgu
   31   required:
   32     - compatible
   33 
   34 properties:
   35   $nodename:
   36     pattern: "^clock-controller@[0-9a-f]+$"
   37 
   38   "#address-cells":
   39     const: 1
   40 
   41   "#size-cells":
   42     const: 1
   43 
   44   "#clock-cells":
   45     const: 1
   46 
   47   ranges: true
   48 
   49   compatible:
   50     items:
   51       - enum:
   52           - ingenic,jz4740-cgu
   53           - ingenic,jz4725b-cgu
   54           - ingenic,jz4760-cgu
   55           - ingenic,jz4760b-cgu
   56           - ingenic,jz4770-cgu
   57           - ingenic,jz4780-cgu
   58           - ingenic,x1000-cgu
   59           - ingenic,x1830-cgu
   60       - const: simple-mfd
   61     minItems: 1
   62 
   63   reg:
   64     maxItems: 1
   65 
   66   clocks:
   67     items:
   68       - description: External oscillator clock
   69       - description: Internal 32 kHz RTC clock
   70 
   71   clock-names:
   72     items:
   73       - const: ext
   74       - enum:
   75           - rtc
   76           - osc32k # Different name, same clock
   77 
   78   assigned-clocks:
   79     minItems: 1
   80     maxItems: 64
   81 
   82   assigned-clock-parents:
   83     minItems: 1
   84     maxItems: 64
   85 
   86   assigned-clock-rates:
   87     minItems: 1
   88     maxItems: 64
   89 
   90 required:
   91   - "#clock-cells"
   92   - compatible
   93   - reg
   94   - clocks
   95   - clock-names
   96 
   97 patternProperties:
   98   "^usb-phy@[a-f0-9]+$":
   99     allOf: [ $ref: "../phy/ingenic,phy-usb.yaml#" ]
  100   "^mac-phy-ctrl@[a-f0-9]+$":
  101     allOf: [ $ref: "../net/ingenic,mac.yaml#" ]
  102 
  103 additionalProperties: false
  104 
  105 examples:
  106   - |
  107     #include <dt-bindings/clock/ingenic,jz4770-cgu.h>
  108     cgu: clock-controller@10000000 {
  109       compatible = "ingenic,jz4770-cgu", "simple-mfd";
  110       reg = <0x10000000 0x100>;
  111       #address-cells = <1>;
  112       #size-cells = <1>;
  113       ranges = <0x0 0x10000000 0x100>;
  114 
  115       clocks = <&ext>, <&osc32k>;
  116       clock-names = "ext", "osc32k";
  117 
  118       #clock-cells = <1>;
  119 
  120       otg_phy: usb-phy@3c {
  121         compatible = "ingenic,jz4770-phy";
  122         reg = <0x3c 0x10>;
  123 
  124         clocks = <&cgu JZ4770_CLK_OTG_PHY>;
  125 
  126         vcc-supply = <&ldo5>;
  127 
  128         #phy-cells = <0>;
  129       };
  130     };

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sys/contrib/device-tree/Bindings/clock/ingenic,cgu.yaml