Re: [PATCH 5/5] arm64: dts: imx8qm: enable dsp node for rproc usage

Frank Li
2024-09-18T19:00:39Z

On Wed, Sep 18, 2024 at 02:21:17PM -0400, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
>
> Set the status of the dsp node to "okay" and assign
> its reserved memory regions.

wrap at 75 chars.

Add dsp node and related reserved memory regions.

Frank

>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
> ---
> arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 27 ++++++++++++++++++++
> 1 file changed, 27 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
> index 62203eed6a6c..7ee69ce7b193 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
> @@ -92,6 +92,27 @@ vdevbuffer: memory@90400000 {
> reg = <0 0x90400000 0 0x100000>;
> no-map;
> };
> +
> + dsp_reserved: dsp@92400000 {
> + reg = <0 0x92400000 0 0x1000000>;
> + no-map;
> + };
> +
> + dsp_vdev0vring0: vdev0vring0@942f0000 {

'vdev0vring0' should be genernal name, such as 'memory'

> + reg = <0 0x942f0000 0 0x8000>;
> + no-map;
> + };
> +
> + dsp_vdev0vring1: vdev0vring1@942f8000 {
> + reg = <0 0x942f8000 0 0x8000>;
> + no-map;
> + };
> +
> + dsp_vdev0buffer: vdev0buffer@94300000 {
> + compatible = "shared-dma-pool";
> + reg = <0 0x94300000 0 0x100000>;
> + no-map;
> + };
> };
>
> lvds_backlight0: backlight-lvds0 {
> @@ -640,6 +661,12 @@ &sai7 {
> status = "okay";
> };
>
> +&vpu_dsp {
> + memory-region = <&dsp_vdev0buffer>, <&dsp_vdev0vring0>,
> + <&dsp_vdev0vring1>, <&dsp_reserved>;
> + status = "okay";
> +};
> +
> &iomuxc {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_hog>;
> --
> 2.34.1
>