On 08/07/2013 06:53 AM, Fabian Vogt wrote: > This driver supports the GPIO controller found in LSI ZEVIO SoCs. > It has been successfully tested on a TI nspire CX calculator. > diff --git a/Documentation/devicetree/bindings/gpio/gpio-zevio.txt b/Documentation/devicetree/bindings/gpio/gpio-zevio.txt > +Zevio GPIO controller > + > +Required properties: > +- compatible = "lsi,zevio-gpio" Is there only one zevio chip, or a series? Is "zevio" the full name of the chip, including any version number? > +- reg = <BASEADDR SIZE> > +- #gpio-cells = <2> > +- gpio-controller; > + > +Optional: > +- #ngpios = <32>: Number of GPIOs. Defaults to 32 if absent Perhaps one can derive that from the compatible value? The fact this property exists implies there's more than one zevio chip, so perhaps each should have an explicit compatible value described above? Is the GPIO block not also an interrupt source/controller? I see the following in the patch, and references to some IRQ registers... > + select GENERIC_IRQ_CHIP -- 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
