On Monday 10 November 2014 16:59:16 Grygorii Strashko wrote: > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/ti,keystone-powerdomain.txt > @@ -0,0 +1,31 @@ > +* TI Keystone 2 Generic PM Controller > + > +The TI Keystone 2 Generic PM Controller is responsible for Clock gating > +for each controlled IP module. > + > +Required properties: > +- compatible: Should be "ti,keystone-powerdomain" > +- #power-domain-cells: Should be 0, see below: > + > +The PM Controller node is a PM domain as documented in > +Documentation/devicetree/bindings/power/power_domain.txt. > + > +Example: > + > + pm_controller: pm-controller { > + compatible = "ti,keystone-powerdomain"; > + #power-domain-cells = <0>; > + }; > + > + netcp: netcp@2090000 { > + reg = <0x2620110 0x8>; > + reg-names = "efuse"; > + ... > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + power-domains = <&pm_controller>; > + > + clocks = <&clkpa>, <&clkcpgmac>, <&chipclk12>; > + dma-coherent; > + } I don't get it. What keystone specific about a "ti,keystone-powerdomain" device? It seems that the device has no registers whatsoever and the driver doesn't really do anything that relates to the platform. Arnd -- 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