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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/i2c/realtek,rtl9301-i2c.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Realtek RTL I2C Controller
maintainers:
- Chris Packham <chris.packham@alliedtelesis.co.nz>
description:
The RTL9300 SoC has two I2C controllers. Each of these has an SCL line (which
if not-used for SCL can be a GPIO). There are 8 common SDA lines that can be
assigned to either I2C controller.
properties:
compatible:
oneOf:
- items:
- enum:
- realtek,rtl9302b-i2c
- realtek,rtl9302c-i2c
- realtek,rtl9303-i2c
- const: realtek,rtl9301-i2c
- const: realtek,rtl9301-i2c
reg:
description: Register offset and size this I2C controller.
"#address-cells":
const: 1
"#size-cells":
const: 0
patternProperties:
'^i2c@[0-7]$':
$ref: /schemas/i2c/i2c-controller.yaml
unevaluatedProperties: false
properties:
reg:
description: The SDA pin associated with the I2C bus.
maxItems: 1
required:
- reg
required:
- compatible
- reg
additionalProperties: false
examples:
- |
i2c@36c {
compatible = "realtek,rtl9301-i2c";
reg = <0x36c 0x14>;
#address-cells = <1>;
#size-cells = <0>;
i2c@2 {
reg = <2>;
#address-cells = <1>;
#size-cells = <0>;
};
};
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