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/usb/brcm,usb-pinmap.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Broadcom USB pin map Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Al Cooper <alcooperx@gmail.com> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | items: |
| 15 | - const: brcm,usb-pinmap |
| 16 | |
| 17 | reg: |
| 18 | maxItems: 1 |
| 19 | |
| 20 | interrupts: |
| 21 | maxItems: 1 |
| 22 | description: Interrupt for signals mirrored to out-gpios. |
| 23 | |
| 24 | in-gpios: |
| 25 | minItems: 1 |
| 26 | maxItems: 2 |
| 27 | description: Array of one or two GPIO pins used for input signals. |
| 28 | |
| 29 | brcm,in-functions: |
| 30 | $ref: /schemas/types.yaml#/definitions/string-array |
| 31 | description: Array of input signal names, one per gpio in in-gpios. |
| 32 | |
| 33 | brcm,in-masks: |
| 34 | $ref: /schemas/types.yaml#/definitions/uint32-array |
| 35 | description: Array of enable and mask pairs, one per gpio in-gpios. |
| 36 | |
| 37 | out-gpios: |
| 38 | maxItems: 1 |
| 39 | description: Array of one GPIO pin used for output signals. |
| 40 | |
| 41 | brcm,out-functions: |
| 42 | $ref: /schemas/types.yaml#/definitions/string-array |
| 43 | description: Array of output signal names, one per gpio in out-gpios. |
| 44 | |
| 45 | brcm,out-masks: |
| 46 | $ref: /schemas/types.yaml#/definitions/uint32-array |
| 47 | description: Array of enable, value, changed and clear masks, one |
| 48 | per gpio in out-gpios. |
| 49 | |
| 50 | required: |
| 51 | - compatible |
| 52 | - reg |
| 53 | |
| 54 | additionalProperties: false |
| 55 | |
| 56 | dependencies: |
| 57 | in-gpios: [ interrupts ] |
| 58 | |
| 59 | examples: |
| 60 | - | |
| 61 | usb_pinmap: usb-pinmap@22000d0 { |
| 62 | compatible = "brcm,usb-pinmap"; |
| 63 | reg = <0x22000d0 0x4>; |
| 64 | in-gpios = <&gpio 18 0>, <&gpio 19 0>; |
| 65 | brcm,in-functions = "VBUS", "PWRFLT"; |
| 66 | brcm,in-masks = <0x8000 0x40000 0x10000 0x80000>; |
| 67 | out-gpios = <&gpio 20 0>; |
| 68 | brcm,out-functions = "PWRON"; |
| 69 | brcm,out-masks = <0x20000 0x800000 0x400000 0x200000>; |
| 70 | interrupts = <0x0 0xb2 0x4>; |
| 71 | }; |
| 72 | |
| 73 | ... |