73 lines
1.4 KiB
YAML
73 lines
1.4 KiB
YAML
# 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@amd.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>;
|
|
};
|