iio/proximity/parallax-ping.yaml

1 # SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/proximity/parallax-ping.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Parallax PING))) and LaserPING range finder
10   - Andreas Klinger <ak@it-klinger.de>
13   Bit-banging driver using one GPIO:
14   - ping-gpios is raised by the driver to start measurement
15   - direction of ping-gpio is then switched into input with an interrupt
19   http://parallax.com/sites/default/files/downloads/28041-LaserPING-2m-Rangefinder-Guide.pdf
20   http://parallax.com/sites/default/files/downloads/28015-PING-Documentation-v1.6.pdf
25       - parallax,ping
26       - parallax,laserping
28   ping-gpios:
42   - compatible
43   - ping-gpios
48   - |
49     #include <dt-bindings/gpio/gpio.h>
52         ping-gpios = <&gpio0 26 GPIO_ACTIVE_HIGH>;