| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/i2c/brcm,iproc-i2c.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Broadcom iProc I2C controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Rafał Miłecki <rafal@milecki.pl> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | enum: |
| 15 | - brcm,iproc-i2c |
| 16 | - brcm,iproc-nic-i2c |
| 17 | |
| 18 | reg: |
| 19 | maxItems: 1 |
| 20 | |
| 21 | clock-frequency: |
| 22 | enum: [ 100000, 400000 ] |
| 23 | |
| 24 | interrupts: |
| 25 | description: | |
| 26 | Should contain the I2C interrupt. For certain revisions of the I2C |
| 27 | controller, I2C interrupt is unwired to the interrupt controller. In such |
| 28 | case, this property should be left unspecified, and driver will fall back |
| 29 | to polling mode |
| 30 | maxItems: 1 |
| 31 | |
| 32 | brcm,ape-hsls-addr-mask: |
| 33 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 34 | description: Host view of address mask into the 'APE' co-processor |
| 35 | |
| 36 | allOf: |
| 37 | - $ref: /schemas/i2c/i2c-controller.yaml# |
| 38 | - if: |
| 39 | properties: |
| 40 | compatible: |
| 41 | contains: |
| 42 | const: brcm,iproc-nic-i2c |
| 43 | then: |
| 44 | required: |
| 45 | - brcm,ape-hsls-addr-mask |
| 46 | |
| 47 | unevaluatedProperties: false |
| 48 | |
| 49 | required: |
| 50 | - reg |
| 51 | - clock-frequency |
| 52 | - '#address-cells' |
| 53 | - '#size-cells' |
| 54 | |
| 55 | examples: |
| 56 | - | |
| 57 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 58 | |
| 59 | i2c@18008000 { |
| 60 | compatible = "brcm,iproc-i2c"; |
| 61 | reg = <0x18008000 0x100>; |
| 62 | #address-cells = <1>; |
| 63 | #size-cells = <0>; |
| 64 | interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>; |
| 65 | clock-frequency = <100000>; |
| 66 | |
| 67 | wm8750@1a { |
| 68 | compatible = "wlf,wm8750"; |
| 69 | reg = <0x1a>; |
| 70 | }; |
| 71 | }; |