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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/i2c/cdns,i2c-r1p10.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Cadence I2C controller
maintainers:
- Michal Simek <michal.simek@xilinx.com>
allOf:
- $ref: /schemas/i2c/i2c-controller.yaml#
properties:
compatible:
enum:
- cdns,i2c-r1p10 # cadence i2c controller version 1.0
- cdns,i2c-r1p14 # cadence i2c controller version 1.4
reg:
maxItems: 1
clocks:
minItems: 1
resets:
maxItems: 1
interrupts:
maxItems: 1
clock-frequency:
minimum: 1
maximum: 400000
description: |
Desired operating frequency, in Hz, of the bus.
clock-name:
const: pclk
description: |
Input clock name.
fifo-depth:
description:
Size of the data FIFO in bytes.
$ref: /schemas/types.yaml#/definitions/uint32
default: 16
enum: [2, 4, 8, 16, 32, 64, 128, 256]
required:
- compatible
- reg
- clocks
- interrupts
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
i2c@e0004000 {
compatible = "cdns,i2c-r1p10";
clocks = <&clkc 38>;
resets = <&rstc 288>;
interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
reg = <0xe0004000 0x1000>;
clock-frequency = <400000>;
#address-cells = <1>;
#size-cells = <0>;
fifo-depth = <8>;
};
|
