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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/i2c/st,sti-i2c.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: I2C controller embedded in STMicroelectronics STi platform
maintainers:
- Patrice Chotard <patrice.chotard@foss.st.com>
allOf:
- $ref: /schemas/i2c/i2c-controller.yaml#
properties:
compatible:
enum:
- st,comms-ssc-i2c
- st,comms-ssc4-i2c
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
clock-names:
maxItems: 1
clock-frequency:
enum: [ 100000, 400000 ]
default: 100000
st,i2c-min-scl-pulse-width-us:
description:
The minimum valid SCL pulse width that is allowed through the
deglitch circuit. In units of us.
st,i2c-min-sda-pulse-width-us:
description:
The minimum valid SDA pulse width that is allowed through the
deglitch circuit. In units of us.
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/stih407-clks.h>
i2c@fed40000 {
compatible = "st,comms-ssc4-i2c";
reg = <0xfed40000 0x110>;
interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk_s_a0_ls CLK_ICN_REG>;
clock-names = "ssc";
clock-frequency = <400000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c0_default>;
st,i2c-min-scl-pulse-width-us = <0>;
st,i2c-min-sda-pulse-width-us = <5>;
};
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