Documentation/devicetree/bindings/i2c/renesas,rzv2m.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/renesas,rzv2m.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Renesas RZ/V2M I2C Bus Interface
   8
   9 maintainers:
  10   - Phil Edworthy <phil.edworthy@renesas.com>
  11
  12 allOf:
  13   - $ref: /schemas/i2c/i2c-controller.yaml#
  14
  15 properties:
  16   compatible:
  17     items:
  18       - enum:
  19           - renesas,r9a09g011-i2c  # RZ/V2M
  20       - const: renesas,rzv2m-i2c
  21
  22   reg:
  23     maxItems: 1
  24
  25   interrupts:
  26     items:
  27       - description: Data transmission/reception interrupt
  28       - description: Status interrupt
  29
  30   interrupt-names:
  31     items:
  32       - const: tia
  33       - const: tis
  34
  35   clock-frequency:
  36     default: 100000
  37     enum: [ 100000, 400000 ]
  38     description:
  39       Desired I2C bus clock frequency in Hz.
  40
  41   clocks:
  42     maxItems: 1
  43
  44   power-domains:
  45     maxItems: 1
  46
  47   resets:
  48     maxItems: 1
  49
  50 required:
  51   - compatible
  52   - reg
  53   - interrupts
  54   - interrupt-names
  55   - clocks
  56   - power-domains
  57   - resets
  58   - '#address-cells'
  59   - '#size-cells'
  60
  61 unevaluatedProperties: false
  62
  63 examples:
  64   - |
  65     #include <dt-bindings/clock/r9a09g011-cpg.h>
  66     #include <dt-bindings/interrupt-controller/arm-gic.h>
  67
  68     i2c0: i2c@a4030000 {
  69         compatible = "renesas,r9a09g011-i2c", "renesas,rzv2m-i2c";
  70         reg = <0xa4030000 0x80>;
  71         interrupts = <GIC_SPI 232 IRQ_TYPE_EDGE_RISING>,
  72                      <GIC_SPI 236 IRQ_TYPE_EDGE_RISING>;
  73         interrupt-names = "tia", "tis";
  74         clocks = <&cpg CPG_MOD R9A09G011_IIC_PCLK0>;
  75         resets = <&cpg R9A09G011_IIC_GPA_PRESETN>;
  76         power-domains = <&cpg>;
  77         clock-frequency = <100000>;
  78         #address-cells = <1>;
  79         #size-cells = <0>;
  80     };