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78 lines
1.6 KiB
78 lines
1.6 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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$id: http://devicetree.org/schemas/i2c/mellanox,i2c-mlxbf.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Mellanox I2C SMBus on BlueField SoCs |
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maintainers: |
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- Khalil Blaiech <[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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enum: |
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- mellanox,i2c-mlxbf1 |
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- mellanox,i2c-mlxbf2 |
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reg: |
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minItems: 3 |
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maxItems: 4 |
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items: |
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- description: Smbus block registers |
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- description: Cause master registers |
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- description: Cause slave registers |
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- description: Cause coalesce registers |
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interrupts: |
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maxItems: 1 |
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clock-frequency: |
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enum: [ 100000, 400000, 1000000 ] |
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description: |
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bus frequency used to configure timing registers; |
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The frequency is expressed in Hz. Default is 100000. |
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required: |
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- compatible |
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- reg |
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- interrupts |
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unevaluatedProperties: false |
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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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- mellanox,i2c-mlxbf1 |
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then: |
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properties: |
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reg: |
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maxItems: 3 |
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examples: |
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- | |
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i2c@2804000 { |
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compatible = "mellanox,i2c-mlxbf1"; |
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reg = <0x02804000 0x800>, |
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<0x02801200 0x020>, |
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<0x02801260 0x020>; |
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interrupts = <57>; |
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clock-frequency = <100000>; |
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}; |
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- | |
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i2c@2808800 { |
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compatible = "mellanox,i2c-mlxbf2"; |
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reg = <0x02808800 0x600>, |
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<0x02808e00 0x020>, |
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<0x02808e20 0x020>, |
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<0x02808e40 0x010>; |
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interrupts = <57>; |
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clock-frequency = <400000>; |
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};
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