ark1668ed-bsp/linux/Documentation/devicetree/bindings/i2c/sprd,sc9860-i2c.yaml

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/i2c/sprd,sc9860-i2c.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Spreadtrum SC9860 I2C controller

maintainers:
  - Orson Zhai <orsonzhai@gmail.com>
  - Baolin Wang <baolin.wang7@gmail.com>
  - Chunyan Zhang <zhang.lyra@gmail.com>

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

properties:
  compatible:
    const: sprd,sc9860-i2c

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: I2C clock
      - description: I2C source (parent) clock
      - description: I2C module enable clock

  clock-names:
    items:
      - const: i2c
      - const: source
      - const: enable

  clock-frequency: true

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names
  - clock-frequency

unevaluatedProperties: false

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

    i2c@70500000 {
      compatible = "sprd,sc9860-i2c";
      reg = <0x70500000 0x1000>;
      interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
      clocks = <&clk_i2c3>, <&ext_26m>, <&clk_ap_apb_gates 11>;
      clock-names = "i2c", "source", "enable";
      clock-frequency = <400000>;
      #address-cells = <1>;
      #size-cells = <0>;
    };