Devices in 0xf000,0000 - 0xf080,0000 are reserved for TEE purpose, so add uart1 here but mark its status as reserved. Signed-off-by: Yixun Lan <dlan@xxxxxxxxxx> --- This patch can be folded into "riscv: dts: add initial SpacemiT K1 SoC device tree", if maintainer finds it's too trivial to have an independent patch.. --- arch/riscv/boot/dts/spacemit/k1.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi index a076e35855a2e..fee8921513c1f 100644 --- a/arch/riscv/boot/dts/spacemit/k1.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1.dtsi @@ -372,5 +372,15 @@ clint: timer@e4000000 { <&cpu6_intc 3>, <&cpu6_intc 7>, <&cpu7_intc 3>, <&cpu7_intc 7>; }; + + sec_uart1: serial@f0612000 { + compatible = "spacemit,k1-uart", "intel,xscale-uart"; + reg = <0x0 0xf0612000 0x0 0x100>; + interrupts = <43>; + clock-frequency = <14857000>; + reg-shift = <2>; + reg-io-width = <4>; + status = "reserved"; /* for TEE usage */ + }; }; }; -- 2.45.2