0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/i2c/microchip,corei2c.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Microchip MPFS I2C Controller Device Tree Bindings
0008
0009 maintainers:
0010 - Daire McNamara <daire.mcnamara@microchip.com>
0011
0012 allOf:
0013 - $ref: /schemas/i2c/i2c-controller.yaml#
0014
0015 properties:
0016 compatible:
0017 oneOf:
0018 - items:
0019 - const: microchip,mpfs-i2c # Microchip PolarFire SoC compatible SoCs
0020 - const: microchip,corei2c-rtl-v7 # Microchip Fabric based i2c IP core
0021 - const: microchip,corei2c-rtl-v7 # Microchip Fabric based i2c IP core
0022
0023 reg:
0024 maxItems: 1
0025
0026 interrupts:
0027 maxItems: 1
0028
0029 clocks:
0030 maxItems: 1
0031
0032 clock-frequency:
0033 description: |
0034 Desired I2C bus clock frequency in Hz. As only Standard and Fast
0035 modes are supported, possible values are 100000 and 400000.
0036 enum: [100000, 400000]
0037
0038 required:
0039 - compatible
0040 - reg
0041 - interrupts
0042 - clocks
0043
0044 unevaluatedProperties: false
0045
0046 examples:
0047 - |
0048 i2c@2010a000 {
0049 compatible = "microchip,mpfs-i2c", "microchip,corei2c-rtl-v7";
0050 reg = <0x2010a000 0x1000>;
0051 clocks = <&clkcfg 15>;
0052 interrupt-parent = <&plic>;
0053 interrupts = <58>;
0054 clock-frequency = <100000>;
0055 };
0056 ...
