apple,i2c.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: "http://devicetree.org/schemas/i2c/apple,i2c.yaml#"
    5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
    6 
    7 title: Apple/PASemi I2C controller
    8 
    9 maintainers:
   10   - Sven Peter <sven@svenpeter.dev>
   11 
   12 description: |
   13   Apple SoCs such as the M1 come with a I2C controller based on the one found
   14   in machines with P. A. Semi's PWRficient processors.
   15   The bus is used to communicate with e.g. USB PD chips or the speaker
   16   amp.
   17 
   18 allOf:
   19   - $ref: /schemas/i2c/i2c-controller.yaml#
   20 
   21 properties:
   22   compatible:
   23     items:
   24       - enum:
   25           - apple,t8103-i2c
   26           - apple,t6000-i2c
   27       - const: apple,i2c
   28 
   29   reg:
   30     maxItems: 1
   31 
   32   clocks:
   33     items:
   34       - description: I2C bus reference clock
   35 
   36   interrupts:
   37     maxItems: 1
   38 
   39   clock-frequency:
   40     description: |
   41       Desired I2C bus clock frequency in Hz. If not specified, 100 kHz will be
   42       used. This frequency is generated by dividing the reference clock.
   43       Allowed values are between ref_clk/(16*4) and ref_clk/(16*255).
   44 
   45   power-domains:
   46     maxItems: 1
   47 
   48 required:
   49   - compatible
   50   - reg
   51   - clocks
   52   - interrupts
   53 
   54 unevaluatedProperties: false
   55 
   56 examples:
   57   - |
   58     i2c@35010000 {
   59       compatible = "apple,t8103-i2c", "apple,i2c";
   60       reg = <0x35010000 0x4000>;
   61       interrupt-parent = <&aic>;
   62       interrupts = <0 627 4>;
   63       clocks = <&ref_clk>;
   64       #address-cells = <1>;
   65       #size-cells = <0>;
   66     };

Cache object: d39d368437f7385661b17de092b82c07

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/i2c/apple,i2c.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/i2c/apple,i2c.yaml