Re: [PATCH v6 09/10] arm64: dts: cix: add initial CIX P1(SKY1) dts support

Kajetan Puchalski
2025-04-15T13:48:47Z

On Tue, Apr 15, 2025 at 03:27:23PM +0800, Peter Chen wrote:
> CIX SKY1 SoC is high performance Armv9 SoC designed by Cixtech,
> and Orion O6 is the motherboard launched by Radxa. See below for
> detail:
> https://docs.radxa.com/en/orion/o6/getting-started/introduction
> In this commit, it adds sky1 base, mailbox, clock (scmi firmware baseed)
> and uart, and the kernel could boot up to console.

The commit message style is supposed to be in imperative tone, i.e. "Add sky1 base".

> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Acked-by: Fugang Duan <fugang.duan@cixtech.com>
> Signed-off-by: Guomin Chen <Guomin.Chen@cixtech.com>
> Signed-off-by: Gary Yang <gary.yang@cixtech.com>
> Signed-off-by: Peter Chen <peter.chen@cixtech.com>
> ---

I've tested this on my own Orion O6 with 6.15-rc2, the UART does work and the kernel
does boot up to the expected point. Feel free to add the tag if you'd like.

Tested-by: Kajetan Puchalski <kajetan.puchalski@arm.com>

> +++ b/arch/arm64/boot/dts/cix/sky1-orion-o6.dts
> @@ -0,0 +1,39 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright 2025 Cix Technology Group Co., Ltd.
> + *
> + */
> +
> +/dts-v1/;
> +
> +#include "sky1.dtsi"
> +/ {
> + model = "Radxa Orion O6";
> + compatible = "radxa,orion-o6", "cix,sky1";
> +
> + aliases {
> + serial2 = &uart2;
> + };
> +
> + chosen {
> + stdout-path = &uart2;
> + };
> +
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + linux,cma {
> + compatible = "shared-dma-pool";
> + reusable;
> + size = <0x0 0x28000000>;
> + linux,cma-default;
> + };
> + };
> +
> +};
> +
> +&uart2 {
> + status = "okay";
> +};