On Tuesday 24 February 2015 18:29:02 Chen-Yu Tsai wrote: > > + rsb@01f03400 { > + compatible = "allwinner,sun8i-a23-rsb"; > + reg = <0x01f03400 0x400>; > + interrupts = <0 39 4>; > + clocks = <&apb0_gates 3>; > + clock-frequency = <3000000>; > + resets = <&apb0_rst 3>; > + > + axp223: pmic@2d { > + compatible = "x-powers,axp223", "x-powers,axp221"; > + reg = <0x2d>; > + allwinner,rsb-hw-addr = <0x3e3>; > + > + /* ... */ > + }; > + }; The child node cannot have a 'reg' property if the parent does not have #address-cells/#size-cells. You should add these as mandatory properties in the list. I don't really understand the need for having two addresses (runtime and hardware). Could the runtime address be configured at runtime? Alternatively, could you use #address-cells=<2> and put both into 'reg'? Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html