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     maxItems: 4
  55     items:
  56       - description: High Frequency Oscillator (usually at 24MHz)
  57       - description: Low Frequency Oscillator (usually at 32kHz)
  58       - description: Internal Oscillator
  59       - description: Peripherals PLL
  60
  61   clock-names:
  62     minItems: 2
  63     maxItems: 4
  64     items:
  65       - const: hosc
  66       - const: losc
  67       - const: iosc
  68       - const: pll-periph
  69
  70 required:
  71   - "#clock-cells"
  72   - "#reset-cells"
  73   - compatible
  74   - reg
  75   - clocks
  76   - clock-names
  77
  78 if:
  79   properties:
  80     compatible:
  81       enum:
  82         - allwinner,sun8i-a83t-r-ccu
  83         - allwinner,sun8i-h3-r-ccu
  84         - allwinner,sun50i-a64-r-ccu
  85         - allwinner,sun50i-a100-r-ccu
  86         - allwinner,sun50i-h6-r-ccu
  87         - allwinner,sun50i-h616-r-ccu
  88
  89 then:
  90   properties:
  91     clocks:
  92       minItems: 4
  93       maxItems: 4
  94
  95     clock-names:
  96       minItems: 4
  97       maxItems: 4
  98
  99 else:
 100   if:
 101     properties:
 102       compatible:
 103         enum:
 104           - allwinner,sun50i-a100-ccu
 105           - allwinner,sun50i-h6-ccu
 106           - allwinner,sun50i-h616-ccu
 107
 108   then:
 109     properties:
 110       clocks:
 111         minItems: 3
 112         maxItems: 3
 113
 114       clock-names:
 115         minItems: 3
 116         maxItems: 3
 117
 118   else:
 119     properties:
 120       clocks:
 121         minItems: 2
 122         maxItems: 2
 123
 124       clock-names:
 125         minItems: 2
 126         maxItems: 2
 127
 128 additionalProperties: false
 129
 130 examples:
 131   - |
 132     ccu: clock@1c20000 {
 133         compatible = "allwinner,sun8i-h3-ccu";
 134         reg = <0x01c20000 0x400>;
 135         clocks = <&osc24M>, <&osc32k>;
 136         clock-names = "hosc", "losc";
 137         #clock-cells = <1>;
 138         #reset-cells = <1>;
 139     };
 140
 141   - |
 142     r_ccu: clock@1f01400 {
 143         compatible = "allwinner,sun50i-a64-r-ccu";
 144         reg = <0x01f01400 0x100>;
 145         clocks = <&osc24M>, <&osc32k>, <&iosc>, <&ccu 11>;
 146         clock-names = "hosc", "losc", "iosc", "pll-periph";
 147         #clock-cells = <1>;
 148         #reset-cells = <1>;
 149     };
 150
 151 ...