Messages in this thread |  | | From | Arnd Bergmann <> | Subject | Re: [PATCH 2/3] misc: bmp085: Add DT bindings for EOC gpio line and direct irq. | Date | Mon, 18 Nov 2013 12:38:40 +0100 |
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On Monday 18 November 2013, Belisko Marek wrote:
> > It would be far nicer for the device binding to just have the interrupts > > property, and for the gpio controller to act as an interrupt-controller, > > with the appropriate pin management. > OK. Can you please give me some example in current bindings tree? > Something like in: > Documentation/devicetree/bindings/fb/mxsfb.txt ? So if I understand > correctly we define only property > interrupts = <xxx> which will be exact interrupt number for cpu gpio > connected to bmp085 irq line. > >
See Documentation/devicetree/bindings/gpio/8xxx_gpio.txt for an example of a device whose interrupt line is connected to a gpio controller. The key here is to set the "interrupt-parent" to the gpio node and have the irq specifier define an interrupt local to that node.
Arnd
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