On 01:20 Mon 17 Jun , Yangyu Chen wrote: > Banana Pi BPI-F3 motherboard is powered by SpacemiT K1[1]. > .. snip > + uart0: serial@d4017000 { > + compatible = "intel,xscale-uart"; are you sure the uart IP is fully compatible with xscale? otherwise I'd suggest to introduce a vendor specific one.. > + reg = <0x0 0xd4017000 0x0 0x100>; > + interrupts = <42>; > + clock-frequency = <14000000>; > + reg-shift = <2>; > + reg-io-width = <4>; > + status = "disabled"; > + }; > + }; > +}; it's better to also add other uart nodes, I feel it's more complete -- Yixun Lan (dlan) Gentoo Linux Developer GPG Key ID AABEFD55