Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/i2c/brcm,iproc-i2c.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Broadcom iProc I2C controller
   8
   9 maintainers:
  10   - Rafał Miłecki <rafal@milecki.pl>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - brcm,iproc-i2c
  16       - brcm,iproc-nic-i2c
  17
  18   reg:
  19     maxItems: 1
  20
  21   clock-frequency:
  22     enum: [ 100000, 400000 ]
  23
  24   interrupts:
  25     description: |
  26       Should contain the I2C interrupt. For certain revisions of the I2C
  27       controller, I2C interrupt is unwired to the interrupt controller. In such
  28       case, this property should be left unspecified, and driver will fall back
  29       to polling mode
  30     maxItems: 1
  31
  32   brcm,ape-hsls-addr-mask:
  33     $ref: /schemas/types.yaml#/definitions/uint32
  34     description: Host view of address mask into the 'APE' co-processor
  35
  36 allOf:
  37   - $ref: /schemas/i2c/i2c-controller.yaml#
  38   - if:
  39       properties:
  40         compatible:
  41           contains:
  42             const: brcm,iproc-nic-i2c
  43     then:
  44       required:
  45         - brcm,ape-hsls-addr-mask
  46
  47 unevaluatedProperties: false
  48
  49 required:
  50   - reg
  51   - clock-frequency
  52   - '#address-cells'
  53   - '#size-cells'
  54
  55 examples:
  56   - |
  57     #include <dt-bindings/interrupt-controller/arm-gic.h>
  58
  59     i2c@18008000 {
  60         compatible = "brcm,iproc-i2c";
  61         reg = <0x18008000 0x100>;
  62         #address-cells = <1>;
  63         #size-cells = <0>;
  64         interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>;
  65         clock-frequency = <100000>;
  66
  67         wm8750@1a {
  68             compatible = "wlf,wm8750";
  69             reg = <0x1a>;
  70         };
  71     };