On Mon, Sep 21, 2015 at 7:57 AM, Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx> wrote: > The gpiolib supports parsing DT properties of the form <name>-gpio but it > was only added for compatibility with older DT bindings that got it wrong > and should not be used in newer bindings. > > The commit that added support for this was: > > dd34c37aa3e8 ("gpio: of: Allow -gpio suffix for property names") > > but didn't update the documentation to explain this so it's been a source > of confusion. So let's make this clear in the GPIO DT binding doc. > > Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx> Applied. Thanks. Rob > > --- > > Changes in v2: > - Explain that <name>-gpio is deprecated instead of saying that is > supported. Suggested by Alexandre Courbot. > > Documentation/devicetree/bindings/gpio/gpio.txt | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/gpio/gpio.txt b/Documentation/devicetree/bindings/gpio/gpio.txt > index 5788d5cf1252..82d40e2505f6 100644 > --- a/Documentation/devicetree/bindings/gpio/gpio.txt > +++ b/Documentation/devicetree/bindings/gpio/gpio.txt > @@ -16,7 +16,9 @@ properties, each containing a 'gpio-list': > GPIO properties should be named "[<name>-]gpios", with <name> being the purpose > of this GPIO for the device. While a non-existent <name> is considered valid > for compatibility reasons (resolving to the "gpios" property), it is not allowed > -for new bindings. > +for new bindings. Also, GPIO properties named "[<name>-]gpio" are valid and old > +bindings use it, but are only supported for compatibility reasons and should not > +be used for newer bindings since it has been deprecated. > > GPIO properties can contain one or more GPIO phandles, but only in exceptional > cases should they contain more than one. If your device uses several GPIOs with > -- > 2.4.3 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html