gpio: Add use guidance documentation

The text in this new document is a response to recurring questions about the GPIO in-kernel API vs the userspace ABI. When do you use one or the other? It can be a bit intuitive, but I tried to sum it all up. Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Link: https://lore.kernel.org/r/20200108001712.47500-1-linus.walleij@linaro.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-01-08 01:17:12 +01:00
parent b0d126e1d6
commit ddb4e53fc7
3 changed files with 55 additions and 4 deletions
--- a/Documentation/driver-api/gpio/index.rst
+++ b/Documentation/driver-api/gpio/index.rst
@@ -8,6 +8,7 @@ Contents:
   :maxdepth: 2

   intro
+   using-gpio
   driver
   consumer
   board