| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/i2c/i2c-pxa.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Marvell MMP I2C controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Rob Herring <robh+dt@kernel.org> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: /schemas/i2c/i2c-controller.yaml# |
| 14 | - if: |
| 15 | not: |
| 16 | required: |
| 17 | - mrvl,i2c-polling |
| 18 | then: |
| 19 | required: |
| 20 | - interrupts |
| 21 | |
| 22 | properties: |
| 23 | compatible: |
| 24 | enum: |
| 25 | - mrvl,mmp-twsi |
| 26 | - mrvl,pxa-i2c |
| 27 | - marvell,armada-3700-i2c |
| 28 | |
| 29 | reg: |
| 30 | maxItems: 1 |
| 31 | |
| 32 | interrupts: |
| 33 | maxItems: 1 |
| 34 | |
| 35 | clocks: |
| 36 | minItems: 1 |
| 37 | |
| 38 | resets: |
| 39 | minItems: 1 |
| 40 | |
| 41 | mrvl,i2c-polling: |
| 42 | $ref: /schemas/types.yaml#/definitions/flag |
| 43 | description: | |
| 44 | Disable interrupt of i2c controller. Polling status register of i2c |
| 45 | controller instead. |
| 46 | |
| 47 | mrvl,i2c-fast-mode: |
| 48 | $ref: /schemas/types.yaml#/definitions/flag |
| 49 | description: Enable fast mode of i2c controller. |
| 50 | |
| 51 | unevaluatedProperties: false |
| 52 | |
| 53 | required: |
| 54 | - compatible |
| 55 | - reg |
| 56 | - interrupts |
| 57 | - clocks |
| 58 | - '#address-cells' |
| 59 | - '#size-cells' |
| 60 | |
| 61 | examples: |
| 62 | - | |
| 63 | #include <dt-bindings/clock/marvell,mmp2.h> |
| 64 | i2c@d4011000 { |
| 65 | compatible = "mrvl,mmp-twsi"; |
| 66 | reg = <0xd4011000 0x1000>; |
| 67 | interrupts = <7>; |
| 68 | clocks = <&soc_clocks MMP2_CLK_TWSI1>; |
| 69 | mrvl,i2c-fast-mode; |
| 70 | #address-cells = <1>; |
| 71 | #size-cells = <0>; |
| 72 | }; |
| 73 | |
| 74 | ... |