1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/reset/ti,tps380x-reset.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: TI TPS380x reset controller
8
9 maintainers:
10 - Marco Felsch <kernel@pengutronix.de>
11
12 description: |
13 The TPS380x family [1] of supervisory circuits monitor supply voltages to
14 provide circuit initialization and timing supervision. The devices assert a
15 RESET signal if the voltage drops below a preset threshold or upon a manual
16 reset input (MR). The RESET output remains asserted for the factory
17 programmed delay after the voltage return above its threshold or after the
18 manual reset input is released.
19
20 [1] https://www.ti.com/product/TPS3801
21
22 properties:
23 compatible:
24 enum:
25 - ti,tps3801
26
27 reset-gpios:
28 maxItems: 1
29 description: Reference to the GPIO connected to the MR pin.
30
31 "#reset-cells":
32 const: 0
33
34 required:
35 - compatible
36 - reset-gpios
37 - "#reset-cells"
38
39 additionalProperties: false
40
41 examples:
42 - |
43 #include <dt-bindings/gpio/gpio.h>
44 reset: reset-controller {
45 compatible = "ti,tps3801";
46 #reset-cells = <0>;
47 reset-gpios = <&gpio3 2 GPIO_ACTIVE_LOW>;
48 };
49 ...
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