bindings/gpio/gpio-delay.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/gpio/gpio-delay.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Alexander Stein <linux@ew.tq-group.com>
14   is delayed by some external setup, e.g. RC circuit.
16   +----------+                    +-----------+
23   |      [IOx|-------|   |--+-----|-----+     |
26   +----------+             --- C  +-----------+
27                            ---
29                             -
32   If the input on the consumer is controlled by an open-drain signal
33   attached to an RC circuit the ramp-up delay is not under control
38     const: gpio-delay
40   "#gpio-cells":
42       Specifies the pin, ramp-up and ramp-down delays. The
51   gpio-controller: true
53   gpio-line-names:
58   - compatible
59   - "#gpio-cells"
60   - gpio-controller
61   - gpios
66   - |
67     #include <dt-bindings/gpio/gpio.h>
69     enable_delay: enable-delay {
70         compatible = "gpio-delay";
71         #gpio-cells = <3>;
72         gpio-controller;
78         enable-gpios = <&enable_delay 0 130000 30000>;