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Message-ID: <ZusjSPQ0vpqIUtlL@lizhi-Precision-Tower-5810>
Date: Wed, 18 Sep 2024 15:00:24 -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>, devicetree@...r.kernel.org,
imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] arm64: dts: imx8qm: enable dsp node for rproc usage
On Wed, Sep 18, 2024 at 02:21:17PM -0400, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@....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@....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@...00000 {
> reg = <0 0x90400000 0 0x100000>;
> no-map;
> };
> +
> + dsp_reserved: dsp@...00000 {
> + reg = <0 0x92400000 0 0x1000000>;
> + no-map;
> + };
> +
> + dsp_vdev0vring0: vdev0vring0@...f0000 {
'vdev0vring0' should be genernal name, such as 'memory'
> + reg = <0 0x942f0000 0 0x8000>;
> + no-map;
> + };
> +
> + dsp_vdev0vring1: vdev0vring1@...f8000 {
> + reg = <0 0x942f8000 0 0x8000>;
> + no-map;
> + };
> +
> + dsp_vdev0buffer: vdev0buffer@...00000 {
> + 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
>
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