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
