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121 lines
2.6 KiB
121 lines
2.6 KiB
# SPDX-License-Identifier: GPL-2.0 |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/i2c/marvell,mv64xxx-i2c.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Marvell MV64XXX I2C Controller Device Tree Bindings |
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maintainers: |
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- Gregory CLEMENT <[email protected]> |
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properties: |
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compatible: |
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oneOf: |
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- const: allwinner,sun4i-a10-i2c |
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- items: |
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- const: allwinner,sun7i-a20-i2c |
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- const: allwinner,sun4i-a10-i2c |
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- const: allwinner,sun6i-a31-i2c |
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- items: |
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- enum: |
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- allwinner,sun8i-a23-i2c |
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- allwinner,sun8i-a83t-i2c |
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- allwinner,sun50i-a64-i2c |
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- allwinner,sun50i-a100-i2c |
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- allwinner,sun50i-h6-i2c |
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- allwinner,sun50i-h616-i2c |
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- const: allwinner,sun6i-a31-i2c |
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- const: marvell,mv64xxx-i2c |
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- const: marvell,mv78230-i2c |
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- const: marvell,mv78230-a0-i2c |
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description: |
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Only use "marvell,mv78230-a0-i2c" for a very rare, initial |
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version of the SoC which had broken offload support. Linux |
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auto-detects this and sets it appropriately. |
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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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minItems: 1 |
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maxItems: 2 |
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items: |
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- description: Reference clock for the I2C bus |
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- description: Bus clock (Only for Armada 7K/8K) |
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clock-names: |
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minItems: 1 |
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maxItems: 2 |
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items: |
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- const: core |
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- const: reg |
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description: |
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Mandatory if two clocks are used (only for Armada 7k and 8k). |
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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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allOf: |
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- $ref: /schemas/i2c/i2c-controller.yaml# |
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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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- allwinner,sun4i-a10-i2c |
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- allwinner,sun6i-a31-i2c |
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then: |
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required: |
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- clocks |
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- if: |
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properties: |
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compatible: |
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contains: |
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const: allwinner,sun6i-a31-i2c |
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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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i2c@11000 { |
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compatible = "marvell,mv64xxx-i2c"; |
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reg = <0x11000 0x20>; |
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interrupts = <29>; |
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clock-frequency = <100000>; |
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}; |
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- | |
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i2c@11000 { |
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compatible = "marvell,mv78230-i2c"; |
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reg = <0x11000 0x100>; |
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interrupts = <29>; |
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clock-frequency = <100000>; |
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}; |
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- | |
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i2c@701000 { |
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compatible = "marvell,mv78230-i2c"; |
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reg = <0x701000 0x20>; |
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interrupts = <29>; |
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clock-frequency = <100000>; |
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clock-names = "core", "reg"; |
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clocks = <&core_clock>, <®_clock>; |
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}; |
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...
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