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/gpio/gpio-consumer-common.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Common GPIO lines |
| 8 | |
| 9 | maintainers: |
| 10 | - Bartosz Golaszewski <brgl@bgdev.pl> |
| 11 | - Linus Walleij <linus.walleij@linaro.org> |
| 12 | |
| 13 | description: |
| 14 | Pay attention to using proper GPIO flag (e.g. GPIO_ACTIVE_LOW) for the GPIOs |
| 15 | using inverted signal (e.g. RESETN). |
| 16 | |
| 17 | select: true |
| 18 | |
| 19 | properties: |
| 20 | enable-gpios: |
| 21 | maxItems: 1 |
| 22 | description: |
| 23 | GPIO connected to the enable control pin. |
| 24 | |
| 25 | reset-gpios: |
| 26 | description: |
| 27 | GPIO (or GPIOs for power sequence) connected to the device reset pin |
| 28 | (e.g. RESET or RESETN). |
| 29 | |
| 30 | powerdown-gpios: |
| 31 | maxItems: 1 |
| 32 | description: |
| 33 | GPIO connected to the power down pin (hardware power down or power cut, |
| 34 | e.g. PD or PWDN). |
| 35 | |
| 36 | pwdn-gpios: |
| 37 | maxItems: 1 |
| 38 | description: Use powerdown-gpios |
| 39 | deprecated: true |
| 40 | |
| 41 | wakeup-gpios: |
| 42 | maxItems: 1 |
| 43 | description: |
| 44 | GPIO connected to the pin waking up the device from suspend or other |
| 45 | power-saving modes. |
| 46 | |
| 47 | allOf: |
| 48 | - if: |
| 49 | properties: |
| 50 | compatible: |
| 51 | contains: |
| 52 | enum: |
| 53 | - mmc-pwrseq-simple |
| 54 | then: |
| 55 | properties: |
| 56 | reset-gpios: |
| 57 | minItems: 1 |
| 58 | maxItems: 32 |
| 59 | else: |
| 60 | properties: |
| 61 | reset-gpios: |
| 62 | maxItems: 1 |
| 63 | |
| 64 | additionalProperties: true |