Re: [PATCH v3 2/6] arm64: dts: imx8-ss-audio: configure dsp node for rproc usage

[Frank Li <Frank.li@nxp.com>]

On Fri, Oct 11, 2024 at 11:04:35AM -0400, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
>
> The 'dsp' node is currently configured for running an
> audio firmware. Since the firmware requires that some
> audio-related IPs be disabled in Linux, this will clash
> with the configurations from the imx8 board DTs
> (i.e: imx8qm-mek, imx8qxp-mek, etc...), thus making the
> dsp unusable (since the firmware won't function properly).
>
> To avoid this issue, configure the 'dsp' node for rproc.
> This way, users will be able to use the dsp alongside the
> board-level audio configuration as long as the firmware
> doesn't need the audio IPs.

Nit:
 wrap at 75 char

Frank

>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
> ---
>  .../boot/dts/freescale/imx8-ss-audio.dtsi     | 19 ++++++++-----------
>  1 file changed, 8 insertions(+), 11 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi
> index ff5df0fed9e9..a60ebb718789 100644
> --- a/arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi
> @@ -431,22 +431,19 @@ dsp_ram_lpcg: clock-controller@59590000 {
>  	};
>
>  	dsp: dsp@596e8000 {
> -		compatible = "fsl,imx8qxp-dsp";
> +		compatible = "fsl,imx8qxp-hifi4";
>  		reg = <0x596e8000 0x88000>;
>  		clocks = <&dsp_lpcg IMX_LPCG_CLK_5>,
>  			 <&dsp_ram_lpcg IMX_LPCG_CLK_4>,
>  			 <&dsp_lpcg IMX_LPCG_CLK_7>;
>  		clock-names = "ipg", "ocram", "core";
> -		power-domains = <&pd IMX_SC_R_MU_13A>,
> -			<&pd IMX_SC_R_MU_13B>,
> -			<&pd IMX_SC_R_DSP>,
> -			<&pd IMX_SC_R_DSP_RAM>;
> -		mbox-names = "txdb0", "txdb1",
> -			"rxdb0", "rxdb1";
> -		mboxes = <&lsio_mu13 2 0>,
> -			<&lsio_mu13 2 1>,
> -			<&lsio_mu13 3 0>,
> -			<&lsio_mu13 3 1>;
> +		power-domains = <&pd IMX_SC_R_MU_13B>,
> +				<&pd IMX_SC_R_MU_2A>;
> +		mbox-names = "tx", "rx", "rxdb";
> +		mboxes = <&lsio_mu13 0 0>,
> +			 <&lsio_mu13 1 0>,
> +			 <&lsio_mu13 3 0>;
> +		firmware-name = "imx/dsp/hifi4.bin";
>  		status = "disabled";
>  	};
>
> --
> 2.34.1
>