On Sat, Mar 17, 2018 at 01:53:52AM +0800, Icenowy Zheng wrote: > + sram-controller@1c00000 { > + compatible = "allwinner,sun50i-a64-sram-controller"; > + reg = <0x01c00000 0x1000>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + sram_c: sram@18000 { > + compatible = "mmio-sram"; > + reg = <0x00018000 0x28000>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0 0x00018000 0x28000>; > + > + de2_sram: sram-section@0 { > + compatible = "allwinner,sun50i-a64-sram-c"; > + reg = <0x0000 0x28000>; > + }; > + }; > + }; > + > syscon: syscon@1c00000 { > compatible = "allwinner,sun50i-a64-system-controller", > "syscon"; Isn't that the same device than the sram controller node you just added? Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com -- 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