Re: [PATCH v3 1/6] dt-bindings: dsp: fsl,dsp: fix power domain count

[Krzysztof Kozlowski]

On Fri, Oct 11, 2024 at 11:04:34AM -0400, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@xxxxxxx>
> 
> Per the current binding, QM/QXP DSPs are supposed to have 4
> power domains, while the rest just 1. For QM/QXP, the 4 power
> domains are: DSP, DSP_RAM, MU13A, MU13B.
> 
> First off, drop MU13A from the count as its already attached
> to lsio_mu13. This decreases the count to 3.
> 
> Secondly, drop DSP and DSP_RAM from the count for QXP. These
> are already attached to the DSP's LPCGs.
> 
> Thirdly, a new power domain is required for DSP-SCU communication
> (MU2A). With this in mind, the number of required power domains
> for QXP is 2 (MU2A, MU13B), while for QM it's 4 (MU13B, DSP,
> DSP_RAM, MU2A).
> 
> Update the fsl,dsp binding to reflect all of this information.
> Since the arm,mhuv2 binding has an example node using the
> fsl,imx8qxp-dsp compatible, remove two of the extra PDs to
> align with the required power domain count.
> 
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@xxxxxxx>

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Best regards,
Krzysztof