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SubjectRe: [PATCH v2] Documentation: gpio: guidelines for bindings
Date
On Wednesday 29 October 2014 17:13:14 Alexandre Courbot wrote:
> Now that ACPI supports named GPIO properties, either through ACPI 5.1 or
> the per-driver ACPI GPIO mappings, we can be more narrow about the way
> GPIOs should be specified in Device Tree bindings.
>
> This patch updates the GPIO DT bindings documentation to highlight the
> following rules for new GPIO bindings:
>
> - All new bindings must have a meaningful name (e.g. the "gpios"
> property must not be used)
> - The only suffix allowed is "-gpios", no matter the number of
> descriptors in the property
> - GPIOs can only be grouped under the same property when they serve the
> same purpose, a case that should remain exceptional (e.g. bit-banged
> data lines).
>
> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
> CC: Linus Walleij <linus.walleij@linaro.org>
> CC: Arnd Bergmann <arnd@arndb.de>
> CC: Rafael J. Wysocki <rjw@rjwysocki.net>
> CC: Mika Westerberg <mika.westerberg@linux.intel.com>

Acked-by: Arnd Bergmann <arnd@arndb.de>


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