xref: /linux/Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml (revision bbfd5594756011167b8f8de9a00e0c946afda1e6)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/i2c/ti,omap4-i2c.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: I2C controllers on TI's OMAP and K3 SoCs

maintainers:
  - Vignesh Raghavendra <vigneshr@ti.com>

properties:
  compatible:
    oneOf:
      - enum:
          - ti,omap2420-i2c
          - ti,omap2430-i2c
          - ti,omap3-i2c
          - ti,omap4-i2c
      - items:
          - enum:
              - ti,am4372-i2c
              - ti,am64-i2c
              - ti,am654-i2c
              - ti,j721e-i2c
          - const: ti,omap4-i2c

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  clock-names:
    const: fck

  power-domains: true

  ti,hwmods:
    description:
      Must be "i2c<n>", n being the instance number (1-based).
      This property is applicable only on legacy platforms mainly omap2/3
      and ti81xx and should not be used on other platforms.
    $ref: /schemas/types.yaml#/definitions/string
    deprecated: true

  mux-states:
    description:
      mux controller node to route the I2C signals from SoC to clients.
    maxItems: 1

required:
  - compatible
  - reg
  - interrupts

allOf:
  - $ref: /schemas/i2c/i2c-controller.yaml#

  - if:
      properties:
        compatible:
          enum:
            - ti,omap2420-i2c
            - ti,omap2430-i2c
            - ti,omap3-i2c
            - ti,omap4-i2c

    then:
      properties:
        ti,hwmods:
          items:
            - pattern: "^i2c([1-9])$"

    else:
      properties:
        ti,hwmods: false

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    main_i2c0: i2c@2000000 {
        compatible = "ti,j721e-i2c", "ti,omap4-i2c";
        reg = <0x2000000 0x100>;
        interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>;
        #address-cells = <1>;
        #size-cells = <0>;
        mux-states = <&i2c_mux 1>;
    };