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

Frank Li Frank.li at nxp.com
Fri Oct 11 08:51:01 PDT 2024


On Fri, Oct 11, 2024 at 11:04:36AM -0400, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea at nxp.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 at nxp.com>

>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea at nxp.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 at 80000000 {
>  		reg = <0x00000000 0x80000000 0 0x40000000>;
>  	};
>
> +	reserved-memory {
> +		dsp_vdev0vring0: memory at 942f0000 {
> +			reg = <0 0x942f0000 0 0x8000>;
> +			no-map;
> +		};
> +
> +		dsp_vdev0vring1: memory at 942f8000 {
> +			reg = <0 0x942f8000 0 0x8000>;
> +			no-map;
> +		};
> +
> +		dsp_vdev0buffer: memory at 94300000 {
> +			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
>



More information about the linux-arm-kernel mailing list