2023-08-30 17:31:07 +02:00
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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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$id: http://devicetree.org/schemas/i2c/renesas,rzv2m.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Renesas RZ/V2M I2C Bus Interface
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maintainers:
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2023-10-24 12:59:35 +02:00
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- Fabrizio Castro <fabrizio.castro.jz@renesas.com>
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2023-08-30 17:31:07 +02:00
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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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items:
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- enum:
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- renesas,r9a09g011-i2c # RZ/V2M
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- const: renesas,rzv2m-i2c
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reg:
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maxItems: 1
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interrupts:
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items:
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- description: Data transmission/reception interrupt
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- description: Status interrupt
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interrupt-names:
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items:
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- const: tia
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- const: tis
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clock-frequency:
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default: 100000
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enum: [ 100000, 400000 ]
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description:
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Desired I2C bus clock frequency in Hz.
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clocks:
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maxItems: 1
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power-domains:
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maxItems: 1
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resets:
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maxItems: 1
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required:
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- compatible
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- reg
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- interrupts
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- interrupt-names
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- clocks
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- power-domains
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- resets
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- '#address-cells'
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- '#size-cells'
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/r9a09g011-cpg.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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i2c0: i2c@a4030000 {
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compatible = "renesas,r9a09g011-i2c", "renesas,rzv2m-i2c";
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reg = <0xa4030000 0x80>;
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interrupts = <GIC_SPI 232 IRQ_TYPE_EDGE_RISING>,
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<GIC_SPI 236 IRQ_TYPE_EDGE_RISING>;
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interrupt-names = "tia", "tis";
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clocks = <&cpg CPG_MOD R9A09G011_IIC_PCLK0>;
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resets = <&cpg R9A09G011_IIC_GPA_PRESETN>;
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power-domains = <&cpg>;
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clock-frequency = <100000>;
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#address-cells = <1>;
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#size-cells = <0>;
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};
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