On Wed, 05 Mar 2025 12:00:30 +0200, Daniel Baluta wrote: > Assert and deassert functionality of the DSP found on i.MX8MP is > realized by combining control bits from two modules: Audio Block > Control and Debug Access Port. > > Audio block control bits are used to Run/Stall the DSP core > while the DAP bits are used for software reset the core. > > The original plan was to use fsl,dsp-ctrl property and to refer the > audiomix bits via syscon interface. This proposal received NACK from > community we shouldn't abuse the syscon interface [1]. > > So remove fsl,dsp-ctrl property for i.MX8MP and use reset control > interface instead. > > Example dts node only uses runstall control now, but softreset will > be added in the future when we will convert the softreset functionality > to use reset controller API. > > [1] https://patchwork.kernel.org/project/imx/patch/20250212085222.107102-6-daniel.baluta@xxxxxxx/ > > Reviewed-by: Frank Li <Frank.Li@xxxxxxx> > Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxx> > --- > .../devicetree/bindings/dsp/fsl,dsp.yaml | 24 ++++++++++++++++++- > 1 file changed, 23 insertions(+), 1 deletion(-) > Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
