Documentation/devicetree/bindings/clock/allwinner,sun4i-a10-ccu.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/clock/allwinner,sun4i-a10-ccu.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner Clock Control Unit Device Tree Bindings
   8
   9 maintainers:
  10   - Chen-Yu Tsai <wens@csie.org>
  11   - Maxime Ripard <maxime.ripard@bootlin.com>
  12
  13 properties:
  14   "#clock-cells":
  15     const: 1
  16
  17   "#reset-cells":
  18     const: 1
  19
  20   compatible:
  21     enum:
  22       - allwinner,sun4i-a10-ccu
  23       - allwinner,sun5i-a10s-ccu
  24       - allwinner,sun5i-a13-ccu
  25       - allwinner,sun6i-a31-ccu
  26       - allwinner,sun7i-a20-ccu
  27       - allwinner,sun8i-a23-ccu
  28       - allwinner,sun8i-a33-ccu
  29       - allwinner,sun8i-a83t-ccu
  30       - allwinner,sun8i-a83t-r-ccu
  31       - allwinner,sun8i-h3-ccu
  32       - allwinner,sun8i-h3-r-ccu
  33       - allwinner,sun8i-r40-ccu
  34       - allwinner,sun8i-v3-ccu
  35       - allwinner,sun8i-v3s-ccu
  36       - allwinner,sun9i-a80-ccu
  37       - allwinner,sun50i-a64-ccu
  38       - allwinner,sun50i-a64-r-ccu
  39       - allwinner,sun50i-h5-ccu
  40       - allwinner,sun50i-h6-ccu
  41       - allwinner,sun50i-h6-r-ccu
  42       - allwinner,suniv-f1c100s-ccu
  43       - nextthing,gr8-ccu
  44
  45   reg:
  46     maxItems: 1
  47
  48   clocks:
  49     minItems: 2
  50     maxItems: 4
  51     items:
  52       - description: High Frequency Oscillator (usually at 24MHz)
  53       - description: Low Frequency Oscillator (usually at 32kHz)
  54       - description: Internal Oscillator
  55       - description: Peripherals PLL
  56
  57   clock-names:
  58     minItems: 2
  59     maxItems: 4
  60     items:
  61       - const: hosc
  62       - const: losc
  63       - const: iosc
  64       - const: pll-periph
  65
  66 required:
  67   - "#clock-cells"
  68   - "#reset-cells"
  69   - compatible
  70   - reg
  71   - clocks
  72   - clock-names
  73
  74 if:
  75   properties:
  76     compatible:
  77       enum:
  78         - allwinner,sun8i-a83t-r-ccu
  79         - allwinner,sun8i-h3-r-ccu
  80         - allwinner,sun50i-a64-r-ccu
  81         - allwinner,sun50i-h6-r-ccu
  82
  83 then:
  84   properties:
  85     clocks:
  86       minItems: 4
  87       maxItems: 4
  88
  89     clock-names:
  90       minItems: 4
  91       maxItems: 4
  92
  93 else:
  94   if:
  95     properties:
  96       compatible:
  97         const: allwinner,sun50i-h6-ccu
  98
  99   then:
 100     properties:
 101       clocks:
 102         minItems: 3
 103         maxItems: 3
 104
 105       clock-names:
 106         minItems: 3
 107         maxItems: 3
 108
 109   else:
 110     properties:
 111       clocks:
 112         minItems: 2
 113         maxItems: 2
 114
 115       clock-names:
 116         minItems: 2
 117         maxItems: 2
 118
 119 additionalProperties: false
 120
 121 examples:
 122   - |
 123     ccu: clock@1c20000 {
 124         compatible = "allwinner,sun8i-h3-ccu";
 125         reg = <0x01c20000 0x400>;
 126         clocks = <&osc24M>, <&osc32k>;
 127         clock-names = "hosc", "losc";
 128         #clock-cells = <1>;
 129         #reset-cells = <1>;
 130     };
 131
 132   - |
 133     r_ccu: clock@1f01400 {
 134         compatible = "allwinner,sun50i-a64-r-ccu";
 135         reg = <0x01f01400 0x100>;
 136         clocks = <&osc24M>, <&osc32k>, <&iosc>, <&ccu 11>;
 137         clock-names = "hosc", "losc", "iosc", "pll-periph";
 138         #clock-cells = <1>;
 139         #reset-cells = <1>;
 140     };
 141
 142 ...