Documentation/devicetree/bindings/display/allwinner,sun8i-a83t-hdmi-phy.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/display/allwinner,sun8i-a83t-hdmi-phy.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner A83t HDMI PHY Device Tree Bindings
   8
   9 maintainers:
  10   - Chen-Yu Tsai <wens@csie.org>
  11   - Maxime Ripard <mripard@kernel.org>
  12
  13 properties:
  14   "#phy-cells":
  15     const: 0
  16
  17   compatible:
  18     enum:
  19       - allwinner,sun8i-a83t-hdmi-phy
  20       - allwinner,sun8i-h3-hdmi-phy
  21       - allwinner,sun8i-r40-hdmi-phy
  22       - allwinner,sun50i-a64-hdmi-phy
  23       - allwinner,sun50i-h6-hdmi-phy
  24
  25   reg:
  26     maxItems: 1
  27
  28   clocks:
  29     minItems: 2
  30     items:
  31       - description: Bus Clock
  32       - description: Module Clock
  33       - description: Parent of the PHY clock
  34       - description: Second possible parent of the PHY clock
  35
  36   clock-names:
  37     minItems: 2
  38     items:
  39       - const: bus
  40       - const: mod
  41       - const: pll-0
  42       - const: pll-1
  43
  44   resets:
  45     maxItems: 1
  46
  47   reset-names:
  48     const: phy
  49
  50 required:
  51   - compatible
  52   - reg
  53   - clocks
  54   - clock-names
  55   - resets
  56   - reset-names
  57
  58 if:
  59   properties:
  60     compatible:
  61       contains:
  62         enum:
  63           - allwinner,sun8i-r40-hdmi-phy
  64
  65 then:
  66   properties:
  67     clocks:
  68       minItems: 4
  69
  70     clock-names:
  71       minItems: 4
  72
  73 else:
  74   if:
  75     properties:
  76       compatible:
  77         contains:
  78           enum:
  79             - allwinner,sun8i-h3-hdmi-phy
  80             - allwinner,sun50i-a64-hdmi-phy
  81
  82   then:
  83     properties:
  84       clocks:
  85         minItems: 3
  86
  87       clock-names:
  88         minItems: 3
  89
  90   else:
  91     properties:
  92       clocks:
  93         maxItems: 2
  94
  95       clock-names:
  96         maxItems: 2
  97
  98 additionalProperties: false
  99
 100 examples:
 101   - |
 102     #include <dt-bindings/clock/sun8i-a83t-ccu.h>
 103     #include <dt-bindings/reset/sun8i-a83t-ccu.h>
 104
 105     hdmi_phy: hdmi-phy@1ef0000 {
 106         compatible = "allwinner,sun8i-a83t-hdmi-phy";
 107         reg = <0x01ef0000 0x10000>;
 108         clocks = <&ccu CLK_BUS_HDMI>, <&ccu CLK_HDMI_SLOW>;
 109         clock-names = "bus", "mod";
 110         resets = <&ccu RST_BUS_HDMI0>;
 111         reset-names = "phy";
 112         #phy-cells = <0>;
 113     };
 114
 115 ...