| # SPDX-License-Identifier: GPL-2.0-only |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/i2c/i2c-pxa.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Marvell MMP I2C controller |
| |
| maintainers: |
| - Rob Herring <robh+dt@kernel.org> |
| |
| allOf: |
| - $ref: /schemas/i2c/i2c-controller.yaml# |
| - if: |
| not: |
| required: |
| - mrvl,i2c-polling |
| then: |
| required: |
| - interrupts |
| |
| properties: |
| compatible: |
| enum: |
| - mrvl,mmp-twsi |
| - mrvl,pxa-i2c |
| - marvell,armada-3700-i2c |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| clocks: |
| minItems: 1 |
| |
| resets: |
| minItems: 1 |
| |
| mrvl,i2c-polling: |
| $ref: /schemas/types.yaml#/definitions/flag |
| description: | |
| Disable interrupt of i2c controller. Polling status register of i2c |
| controller instead. |
| |
| mrvl,i2c-fast-mode: |
| $ref: /schemas/types.yaml#/definitions/flag |
| description: Enable fast mode of i2c controller. |
| |
| unevaluatedProperties: false |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - clocks |
| - '#address-cells' |
| - '#size-cells' |
| |
| examples: |
| - | |
| #include <dt-bindings/clock/marvell,mmp2.h> |
| i2c@d4011000 { |
| compatible = "mrvl,mmp-twsi"; |
| reg = <0xd4011000 0x1000>; |
| interrupts = <7>; |
| clocks = <&soc_clocks MMP2_CLK_TWSI1>; |
| mrvl,i2c-fast-mode; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| }; |
| |
| ... |
