[PATCH v2 1/2] dt-bindings: dsp: mediatek: add mt8196 dsp document
Krzysztof Kozlowski
krzk at kernel.org
Thu Jul 3 01:08:45 PDT 2025
On 03/07/2025 09:56, hailong.fan wrote:
> From: Hailong Fan <hailong.fan at mediatek.com>
>
> This patch adds mt8196 dsp document. The dsp is used for Sound Open
Please do not use "This commit/patch/change", but imperative mood. See
longer explanation here:
https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95
> Firmware driver node. It includes registers, clocks, memory regions,
> and mailbox for dsp.
>
> Signed-off-by: Hailong Fan <hailong.fan at mediatek.com>
> ---
> .../bindings/sound/mediatek,mt8196-dsp.yaml | 95 +++++++++++++++++++
> 1 file changed, 95 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt8196-dsp.yaml
>
> diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8196-dsp.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8196-dsp.yaml
> new file mode 100644
> index 000000000000..68f594f476e8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/mediatek,mt8196-dsp.yaml
> @@ -0,0 +1,95 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/mediatek,mt8196-dsp.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek mt8196 DSP core
> +
> +maintainers:
> + - Hailong Fan <hailong.fan at mediatek.com>
> +
> +description: The MediaTek mt8196 SoC mt8196 contain a DSP core used for advanced
Missing blank line. Look at other bindings. Also does not look wrapped
at 80 (see Linux coding style doc).
> + pre- and post- audio processing.
> +
> +properties:
> + compatible:
> + const: mediatek,mt8196-dsp
> +
> + reg:
> + items:
> + - description: DSP configuration registers
> + - description: DSP SRAM
> + - description: DSP secure registers
> + - description: DSP bus registers
> +
> + reg-names:
> + items:
> + - const: cfg
> + - const: sram
> + - const: sec
> + - const: bus
> +
> + clocks:
> + items:
> + - description: mux for dsp clock
> + - description: 26M clock
> + - description: ADSP PLL clock
> +
> + clock-names:
> + items:
> + - const: adsp_sel
Isn't this called audiodsp in other bindings?
> + - const: clk26m
Don't use frequencies. How is the pin or input called in datasheet? How
other devices call it?
> + - const: adsppll
> +
> + power-domains:
> + maxItems: 1
> +
Best regards,
Krzysztof
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