Documentation/devicetree/bindings/i2c/allwinner,sun6i-a31-p2wi.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/i2c/allwinner,sun6i-a31-p2wi.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner A31 P2WI (Push/Pull 2 Wires Interface) Device Tree Bindings
   8
   9 maintainers:
  10   - Chen-Yu Tsai <wens@csie.org>
  11   - Maxime Ripard <maxime.ripard@bootlin.com>
  12
  13 allOf:
  14   - $ref: /schemas/i2c/i2c-controller.yaml#
  15
  16 properties:
  17   compatible:
  18     const: allwinner,sun6i-a31-p2wi
  19
  20   reg:
  21     maxItems: 1
  22
  23   interrupts:
  24     maxItems: 1
  25
  26   clocks:
  27     maxItems: 1
  28
  29   resets:
  30     maxItems: 1
  31
  32   clock-frequency:
  33     minimum: 1
  34     maximum: 6000000
  35
  36 required:
  37   - compatible
  38   - reg
  39   - interrupts
  40   - clocks
  41   - resets
  42
  43 # FIXME: We should set it, but it would report all the generic
  44 # properties as additional properties.
  45 # additionalProperties: false
  46
  47 examples:
  48   - |
  49     i2c@1f03400 {
  50         compatible = "allwinner,sun6i-a31-p2wi";
  51         reg = <0x01f03400 0x400>;
  52         interrupts = <0 39 4>;
  53         clocks = <&apb0_gates 3>;
  54         clock-frequency = <100000>;
  55         resets = <&apb0_rst 3>;
  56         #address-cells = <1>;
  57         #size-cells = <0>;
  58
  59         axp221: pmic@68 {
  60             compatible = "x-powers,axp221";
  61             reg = <0x68>;
  62         };
  63     };
  64
  65 ...