Bindings/i2c/cdns,i2c-r1p10.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: "http://devicetree.org/schemas/i2c/cdns,i2c-r1p10.yaml#"
   5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
   6
   7 title: Cadence I2C controller Device Tree Bindings
   8
   9 maintainers:
  10   - Michal Simek <michal.simek@xilinx.com>
  11
  12 allOf:
  13   - $ref: /schemas/i2c/i2c-controller.yaml#
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - cdns,i2c-r1p10 # cadence i2c controller version 1.0
  19       - cdns,i2c-r1p14 # cadence i2c controller version 1.4
  20
  21   reg:
  22     maxItems: 1
  23
  24   clocks:
  25     minItems: 1
  26
  27   interrupts:
  28     maxItems: 1
  29
  30   clock-frequency:
  31     minimum: 1
  32     maximum: 400000
  33     description: |
  34       Desired operating frequency, in Hz, of the bus.
  35
  36   clock-name:
  37     const: pclk
  38     description: |
  39       Input clock name.
  40
  41 required:
  42   - compatible
  43   - reg
  44   - clocks
  45   - interrupts
  46
  47 examples:
  48   - |
  49     #include <dt-bindings/interrupt-controller/arm-gic.h>
  50     i2c@e0004000 {
  51         compatible = "cdns,i2c-r1p10";
  52         clocks = <&clkc 38>;
  53         interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
  54         reg = <0xe0004000 0x1000>;
  55         clock-frequency = <400000>;
  56         #address-cells = <1>;
  57         #size-cells = <0>;
  58     };