1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/gpio/gpio-c 4 $id: http://devicetree.org/schemas/gpio/gpio-consumer-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Common GPIO lines 7 title: Common GPIO lines
8 8
9 maintainers: 9 maintainers:
10 - Bartosz Golaszewski <brgl@bgdev.pl> 10 - Bartosz Golaszewski <brgl@bgdev.pl>
11 - Linus Walleij <linus.walleij@linaro.org> 11 - Linus Walleij <linus.walleij@linaro.org>
12 12
13 description: 13 description:
14 Pay attention to using proper GPIO flag (e.g 14 Pay attention to using proper GPIO flag (e.g. GPIO_ACTIVE_LOW) for the GPIOs
15 using inverted signal (e.g. RESETN). 15 using inverted signal (e.g. RESETN).
16 16
17 select: true 17 select: true
18 18
19 properties: 19 properties:
20 enable-gpios: 20 enable-gpios:
21 maxItems: 1 21 maxItems: 1
22 description: 22 description:
23 GPIO connected to the enable control pin 23 GPIO connected to the enable control pin.
24 24
25 reset-gpios: 25 reset-gpios:
26 description: 26 description:
27 GPIO (or GPIOs for power sequence) conne 27 GPIO (or GPIOs for power sequence) connected to the device reset pin
28 (e.g. RESET or RESETN). 28 (e.g. RESET or RESETN).
29 29
30 powerdown-gpios: 30 powerdown-gpios:
31 maxItems: 1 31 maxItems: 1
32 description: 32 description:
33 GPIO connected to the power down pin (ha 33 GPIO connected to the power down pin (hardware power down or power cut,
34 e.g. PD or PWDN). 34 e.g. PD or PWDN).
35 35
36 pwdn-gpios: 36 pwdn-gpios:
37 maxItems: 1 37 maxItems: 1
38 description: Use powerdown-gpios 38 description: Use powerdown-gpios
39 deprecated: true 39 deprecated: true
40 40
41 wakeup-gpios: 41 wakeup-gpios:
42 maxItems: 1 42 maxItems: 1
43 description: 43 description:
44 GPIO connected to the pin waking up the 44 GPIO connected to the pin waking up the device from suspend or other
45 power-saving modes. 45 power-saving modes.
46 46
47 allOf: 47 allOf:
48 - if: 48 - if:
49 properties: 49 properties:
50 compatible: 50 compatible:
51 contains: 51 contains:
52 enum: 52 enum:
53 - mmc-pwrseq-simple 53 - mmc-pwrseq-simple
54 then: 54 then:
55 properties: 55 properties:
56 reset-gpios: 56 reset-gpios:
57 minItems: 1 57 minItems: 1
58 maxItems: 32 58 maxItems: 32
59 else: 59 else:
60 properties: 60 properties:
61 reset-gpios: 61 reset-gpios:
62 maxItems: 1 62 maxItems: 1
63 63
64 additionalProperties: true 64 additionalProperties: true
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