Commit 731e97e0 authored Jan 08, 2021 by Flavio Suligoi Committed by Rafael J. Wysocki Jan 22, 2021

Documentation: ACPI: add new rule for gpio-line-names



The gpio-line-names lists must respect some rules.

This patch adds a new rule in documentation, to avoid
the use of duplicate names in the same gpiochip.

Signed-off-by: Flavio Suligoi <f.suligoi@asem.it>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

parent 19c329f6

Documentation/firmware-guide/acpi/gpio-properties.rst

+1 −0

Original line number	Diff line number	Diff line
		@@ -146,6 +146,7 @@ following rules (see also the examples):
		other words, it is not mandatory to fill all the GPIO lines
		- empty names are allowed (two quotation marks ``""`` correspond to an empty
		name)
		- names inside one GPIO controller/expander must be unique

		Example of a GPIO controller of 16 lines, with an incomplete list with two
		empty names::