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 <mripard@kernel.org>
  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-a100-ccu
  40       - allwinner,sun50i-a100-r-ccu
  41       - allwinner,sun50i-h5-ccu
  42       - allwinner,sun50i-h6-ccu
  43       - allwinner,sun50i-h6-r-ccu
  44       - allwinner,sun50i-h616-ccu
  45       - allwinner,sun50i-h616-r-ccu
  46       - allwinner,suniv-f1c100s-ccu
  47       - nextthing,gr8-ccu
  48
  49   reg:
  50     maxItems: 1
  51
  52   clocks:
  53     minItems: 2
  54     items:
  55       - description: High Frequency Oscillator (usually at 24MHz)
  56       - description: Low Frequency Oscillator (usually at 32kHz)
  57       - description: Internal Oscillator
  58       - description: Peripherals PLL
  59
  60   clock-names:
  61     minItems: 2
  62     items:
  63       - const: hosc
  64       - const: losc
  65       - const: iosc
  66       - const: pll-periph
  67
  68 required:
  69   - "#clock-cells"
  70   - "#reset-cells"
  71   - compatible
  72   - reg
  73   - clocks
  74   - clock-names
  75
  76 if:
  77   properties:
  78     compatible:
  79       enum:
  80         - allwinner,sun8i-a83t-r-ccu
  81         - allwinner,sun8i-h3-r-ccu
  82         - allwinner,sun50i-a64-r-ccu
  83         - allwinner,sun50i-a100-r-ccu
  84         - allwinner,sun50i-h6-r-ccu
  85         - allwinner,sun50i-h616-r-ccu
  86
  87 then:
  88   properties:
  89     clocks:
  90       minItems: 4
  91       maxItems: 4
  92
  93     clock-names:
  94       minItems: 4
  95       maxItems: 4
  96
  97 else:
  98   if:
  99     properties:
 100       compatible:
 101         enum:
 102           - allwinner,sun50i-a100-ccu
 103           - allwinner,sun50i-h6-ccu
 104           - allwinner,sun50i-h616-ccu
 105
 106   then:
 107     properties:
 108       clocks:
 109         minItems: 3
 110         maxItems: 3
 111
 112       clock-names:
 113         minItems: 3
 114         maxItems: 3
 115
 116   else:
 117     properties:
 118       clocks:
 119         minItems: 2
 120         maxItems: 2
 121
 122       clock-names:
 123         minItems: 2
 124         maxItems: 2
 125
 126 additionalProperties: false
 127
 128 examples:
 129   - |
 130     ccu: clock@1c20000 {
 131         compatible = "allwinner,sun8i-h3-ccu";
 132         reg = <0x01c20000 0x400>;
 133         clocks = <&osc24M>, <&osc32k>;
 134         clock-names = "hosc", "losc";
 135         #clock-cells = <1>;
 136         #reset-cells = <1>;
 137     };
 138
 139   - |
 140     r_ccu: clock@1f01400 {
 141         compatible = "allwinner,sun50i-a64-r-ccu";
 142         reg = <0x01f01400 0x100>;
 143         clocks = <&osc24M>, <&osc32k>, <&iosc>, <&ccu 11>;
 144         clock-names = "hosc", "losc", "iosc", "pll-periph";
 145         #clock-cells = <1>;
 146         #reset-cells = <1>;
 147     };
 148
 149 ...