On 09/06/2022 01:31, Tinghan Shen wrote: > This patch adds mt8186 dsp document. The dsp is used for Sound Open > Firmware driver node. It includes registers, clocks, memory regions, > and mailbox for dsp. > > Signed-off-by: Tinghan Shen <tinghan.shen@xxxxxxxxxxxx> > --- > .../bindings/dsp/mediatek,mt8186-dsp.yaml | 91 +++++++++++++++++++ > 1 file changed, 91 insertions(+) > create mode 100644 Documentation/devicetree/bindings/dsp/mediatek,mt8186-dsp.yaml > > diff --git a/Documentation/devicetree/bindings/dsp/mediatek,mt8186-dsp.yaml b/Documentation/devicetree/bindings/dsp/mediatek,mt8186-dsp.yaml > new file mode 100644 > index 000000000000..33c78f89d296 > --- /dev/null > +++ b/Documentation/devicetree/bindings/dsp/mediatek,mt8186-dsp.yaml > @@ -0,0 +1,91 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/dsp/mediatek,mt8186-dsp.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: MediaTek mt8186 DSP core > + > +maintainers: > + - Tinghan Shen <tinghan.shen@xxxxxxxxxxxx> > + > +description: | > + MediaTek mt8186 SoC contains a DSP core used for > + advanced pre- and post- audio processing. > + > +properties: > + compatible: > + const: mediatek,mt8186-dsp > + > + reg: > + items: > + - description: Address and size of the DSP config registers > + - description: Address and size of the DSP SRAM > + - description: Address and size of the DSP secure registers > + - description: Address and size of the DSP bus registers > + > + reg-names: > + items: > + - const: cfg > + - const: sram > + - const: sec > + - const: bus > + > + clocks: > + items: > + - description: mux for audio dsp clock > + - description: mux for audio dsp local bus > + > + clock-names: > + items: > + - const: audiodsp > + - const: adsp_bus > + > + power-domains: > + maxItems: 1 > + > + mboxes: > + items: > + - description: ipc reply between host and audio DSP. > + - description: ipc request between host and audio DSP. "IPC request between" does not specify who sends the request. Host or DSP? See existing bindings for some better examples, e.g.: Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.yaml which clearly states who receives from who. > + > + mbox-names: > + items: > + - const: rep > + - const: req tx/rx Best regards, Krzysztof
