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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/i2c/microchip,corei2c.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Microchip MPFS I2C Controller Device Tree Bindings
maintainers:
- Daire McNamara <daire.mcnamara@microchip.com>
allOf:
- $ref: /schemas/i2c/i2c-controller.yaml#
properties:
compatible:
oneOf:
- items:
- const: microchip,mpfs-i2c # Microchip PolarFire SoC compatible SoCs
- const: microchip,corei2c-rtl-v7 # Microchip Fabric based i2c IP core
- const: microchip,corei2c-rtl-v7 # Microchip Fabric based i2c IP core
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
clock-frequency:
description: |
Desired I2C bus clock frequency in Hz. As only Standard and Fast
modes are supported, possible values are 100000 and 400000.
enum: [100000, 400000]
required:
- compatible
- reg
- interrupts
- clocks
unevaluatedProperties: false
examples:
- |
i2c@2010a000 {
compatible = "microchip,mpfs-i2c", "microchip,corei2c-rtl-v7";
reg = <0x2010a000 0x1000>;
clocks = <&clkcfg 15>;
interrupt-parent = <&plic>;
interrupts = <58>;
clock-frequency = <100000>;
};
...
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