Hello. > On Tue, Nov 12, 2013 at 10:07:13AM +0000, Alexander Shiyan wrote: > > This patch adds a new driver for the beeper controlled via GPIO pin. > > The driver does not depend on the architecture and is positioned as > > a replacement for the specific drivers that are used for this function. > > > > Signed-off-by: Alexander Shiyan <shc_work@xxxxxxx> ... > > diff --git a/Documentation/devicetree/bindings/input/gpio-beeper.txt b/Documentation/devicetree/bindings/input/gpio-beeper.txt ... > > +Example: > > + > > +beeper: input@0 { > > + compatible = "gpio-beeper"; > > + reg = <0>; > > + gpios = <&gpio3 23 0>; > > +}; > > What are the reg / unit-address for? Just an example from "simple-bus" container. --- ��.n��������+%������w��{.n����z�{��ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f