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