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