On Mon, Nov 19, 2018 at 12:18 PM <[email protected]> wrote:
>
> I have been trying to upgrade a number of beaglebone blacks to Debian 9.5. I
> have been working off the 10-28-2018 IoT image.
>
> I have a custom-built cape that my lab uses to track animal behavior
> experiments. The BBBs are currently running Debian 7 with the Linux 3.8
> kernel. The cape makes heavy use of the gpio-keys and gpio-leds drivers, and
> I wrote a custom device tree overlay to map various pins accordingly. The
> gpio-keys driver is particularly important as it allows our node-based
> software to respond to behavioral events. The gpio-leds driver is less
> important, but I do find the oneshot trigger convenient for some things.
>
> So far, I have been unable to get either of these drivers to work in the new
> kernel. If I leave the pins configured as GPIOs I can flip the output and
> read inputs just fine. Here is a DTS that recreates the problem:
Well the gpio# changed after 3.8.13 (around 3.13.x)... use this
values.. (3.8.13_gpio(x) = 3.11+_gpio(x-1))
> exclusive-use =
> "P8.18", "gpio2_1",
> "P8.16", "gpio1_14";
>
> sbd-cue-lrd {
> label = "gpioled:red";
> //gpios = <&gpio3 1 0>; /* P8.18 */
gpios = <&gpio2 1 0>; /* P8.18 */
> //gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>; /*
> P8.45 */
> default-state = "on";
> hopper-up {
> label = "starboard::hopper-up";
> debounce_interval = <100>;
> linux,code = <1>;
> //gpios = <&gpio2 14 GPIO_ACTIVE_LOW>; /*
> P8.16 */
gpios = <&gpio1 14
GPIO_ACTIVE_LOW>; /* P8.16 */
> gpio-key,wakeup;
Regards,
--
Robert Nelson
https://rcn-ee.com/
--
For more options, visit http://beagleboard.org/discuss
---
You received this message because you are subscribed to the Google Groups
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To view this discussion on the web visit
https://groups.google.com/d/msgid/beagleboard/CAOCHtYiZCujBW2pX81SF3B556_DRf2Hiaui19QwF2iB0X9SBfg%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.
