Documentation/devicetree/bindings/i2c/i2c-pxa.yaml

   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 ...