i2c-pxa.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/i2c/i2c-pxa.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Marvell MMP I2C controller bindings
    8 
    9 maintainers:
   10   - Rob Herring <robh+dt@kernel.org>
   11 
   12 allOf:
   13   - $ref: /schemas/i2c/i2c-controller.yaml#
   14   - if:
   15       not:
   16         required:
   17           - mrvl,i2c-polling
   18     then:
   19       required:
   20         - interrupts
   21 
   22 properties:
   23   compatible:
   24     enum:
   25       - mrvl,mmp-twsi
   26       - mrvl,pxa-i2c
   27       - marvell,armada-3700-i2c
   28 
   29   reg:
   30     maxItems: 1
   31 
   32   interrupts:
   33     maxItems: 1
   34 
   35   clocks:
   36     minItems: 1
   37 
   38   resets:
   39     minItems: 1
   40 
   41   mrvl,i2c-polling:
   42     $ref: /schemas/types.yaml#/definitions/flag
   43     description: |
   44       Disable interrupt of i2c controller. Polling status register of i2c
   45       controller instead.
   46 
   47   mrvl,i2c-fast-mode:
   48     $ref: /schemas/types.yaml#/definitions/flag
   49     description: Enable fast mode of i2c controller.
   50 
   51 unevaluatedProperties: false
   52 
   53 required:
   54   - compatible
   55   - reg
   56   - interrupts
   57   - clocks
   58   - '#address-cells'
   59   - '#size-cells'
   60 
   61 examples:
   62   - |
   63     #include <dt-bindings/clock/marvell,mmp2.h>
   64     i2c@d4011000 {
   65         compatible = "mrvl,mmp-twsi";
   66         reg = <0xd4011000 0x1000>;
   67         interrupts = <7>;
   68         clocks = <&soc_clocks MMP2_CLK_TWSI1>;
   69         mrvl,i2c-fast-mode;
   70         #address-cells = <1>;
   71         #size-cells = <0>;
   72     };
   73 
   74 ...

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sys/contrib/device-tree/Bindings/i2c/i2c-pxa.yaml