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     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 <mripard@kernel.org>
   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 unevaluatedProperties: false
   44 
   45 examples:
   46   - |
   47     i2c@1f03400 {
   48         compatible = "allwinner,sun6i-a31-p2wi";
   49         reg = <0x01f03400 0x400>;
   50         interrupts = <0 39 4>;
   51         clocks = <&apb0_gates 3>;
   52         clock-frequency = <100000>;
   53         resets = <&apb0_rst 3>;
   54         #address-cells = <1>;
   55         #size-cells = <0>;
   56 
   57         axp221: pmic@68 {
   58             /* compatible = "x-powers,axp221"; */
   59             reg = <0x68>;
   60         };
   61     };
   62 
   63 ...
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