On Wed, Jul 03, 2024 at 02:55:14PM +0000, Yixun Lan wrote:
> Devices in 0xf000,0000 - 0xf080,0000 are reserved for TEE purpose,
> so add uart1 here but mark its status as reserved.
This patch doesn't deserve a seperate patch, it's better to fold it
into the dtsi one.
>
> Signed-off-by: Yixun Lan <dlan@gentoo.org>
>
> ---
> 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
>
>
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