Hi Krzysztof, On Wed, 2022-06-15 at 10:32 -0700, Krzysztof Kozlowski wrote: > 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 > > +--- > > +$id: > > https://urldefense.com/v3/__http://devicetree.org/schemas/dsp/mediatek,mt8186-dsp.yaml*__;Iw!!CTRNKA9wMg0ARbw!0iJc3XTOVoKM_s-soALULRxog7f0GZLppKL0FCcIrYfh91fW2HmlpzSUZjVmoUR5PrasY2BmVGvmvv_IwZtlmOdXYw$ > > > > +$schema: > > https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!0iJc3XTOVoKM_s-soALULRxog7f0GZLppKL0FCcIrYfh91fW2HmlpzSUZjVmoUR5PrasY2BmVGvmvv_IwZujnl7wMw$ > > > > + > > +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 OK. I'll update in the next version. Thanks, TingHan