linux-kernel - Re: [PATCH v3 3/6] arm64: dts: imx8qxp-mek: add dsp rproc-related mem regions

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Message-ID: <ZwlJZW7z/Oo21ex1@lizhi-Precision-Tower-5810>
Date: Fri, 11 Oct 2024 11:51:01 -0400
From: Frank Li <Frank.li@....com>
To: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Daniel Baluta <daniel.baluta@....com>,
	Shengjiu Wang <shengjiu.wang@....com>,
	Iuliana Prodan <iuliana.prodan@....com>,
	Tushar Khandelwal <Tushar.Khandelwal@....com>,
	Viresh Kumar <viresh.kumar@...aro.org>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 3/6] arm64: dts: imx8qxp-mek: add dsp rproc-related
 mem regions

On Fri, Oct 11, 2024 at 11:04:36AM -0400, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
>
> Add missing dsp rproc-related reserved memory regions and
> assign them to the 'dsp' node.

Nit: wrap at 75 char

Reviewed-by: Frank Li <Frank.Li@....com>

>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 21 ++++++++++++++++++-
>  1 file changed, 20 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
> index 936ba5ecdcac..4c4e71d39bac 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
> @@ -21,6 +21,24 @@ memory@...00000 {
>  		reg = <0x00000000 0x80000000 0 0x40000000>;
>  	};
>
> +	reserved-memory {
> +		dsp_vdev0vring0: memory@...f0000 {
> +			reg = <0 0x942f0000 0 0x8000>;
> +			no-map;
> +		};
> +
> +		dsp_vdev0vring1: memory@...f8000 {
> +			reg = <0 0x942f8000 0 0x8000>;
> +			no-map;
> +		};
> +
> +		dsp_vdev0buffer: memory@...00000 {
> +			compatible = "shared-dma-pool";
> +			reg = <0 0x94300000 0 0x100000>;
> +			no-map;
> +		};
> +	};
> +
>  	reg_usdhc2_vmmc: usdhc2-vmmc {
>  		compatible = "regulator-fixed";
>  		regulator-name = "SD1_SPWR";
> @@ -63,7 +81,8 @@ sound-wm8960 {
>  };
>
>  &dsp {
> -	memory-region = <&dsp_reserved>;
> +	memory-region = <&dsp_vdev0buffer>, <&dsp_vdev0vring0>,
> +			<&dsp_vdev0vring1>, <&dsp_reserved>;
>  	status = "okay";
>  };
>
> --
> 2.34.1
>