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107 lines
2.8 KiB
107 lines
2.8 KiB
# 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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$id: http://devicetree.org/schemas/i2c/renesas,riic.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Renesas RZ/A and RZ/G2L I2C Bus Interface (RIIC) |
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maintainers: |
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- Chris Brandt <[email protected]> |
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- Wolfram Sang <[email protected]> |
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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,riic-r7s72100 # RZ/A1H |
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- renesas,riic-r7s9210 # RZ/A2M |
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- renesas,riic-r9a07g044 # RZ/G2{L,LC} |
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- const: renesas,riic-rz # RZ/A or RZ/G2L |
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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: Transmit End Interrupt |
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- description: Receive Data Full Interrupt |
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- description: Transmit Data Empty Interrupt |
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- description: Stop Condition Detection Interrupt |
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- description: Start Condition Detection Interrupt |
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- description: NACK Reception Interrupt |
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- description: Arbitration-Lost Interrupt |
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- description: Timeout Interrupt |
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interrupt-names: |
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items: |
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- const: tei |
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- const: ri |
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- const: ti |
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- const: spi |
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- const: sti |
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- const: naki |
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- const: ali |
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- const: tmoi |
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clock-frequency: |
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description: |
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Desired I2C bus clock frequency in Hz. The absence of this property |
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indicates the default frequency 100 kHz. |
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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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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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- clock-frequency |
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- power-domains |
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- '#address-cells' |
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- '#size-cells' |
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if: |
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properties: |
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compatible: |
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contains: |
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enum: |
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- renesas,riic-r9a07g044 |
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then: |
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required: |
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- resets |
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unevaluatedProperties: false |
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examples: |
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- | |
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#include <dt-bindings/clock/r7s72100-clock.h> |
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#include <dt-bindings/interrupt-controller/arm-gic.h> |
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i2c0: i2c@fcfee000 { |
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compatible = "renesas,riic-r7s72100", "renesas,riic-rz"; |
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reg = <0xfcfee000 0x44>; |
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interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>, |
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<GIC_SPI 158 IRQ_TYPE_EDGE_RISING>, |
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<GIC_SPI 159 IRQ_TYPE_EDGE_RISING>, |
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<GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>, |
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<GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>, |
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<GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>, |
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<GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>, |
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<GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>; |
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interrupt-names = "tei", "ri", "ti", "spi", "sti", "naki", "ali", |
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"tmoi"; |
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clocks = <&mstp9_clks R7S72100_CLK_I2C0>; |
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clock-frequency = <100000>; |
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power-domains = <&cpg_clocks>; |
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#address-cells = <1>; |
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#size-cells = <0>; |
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};
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