49 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/sound/nvidia,tegra210-peq.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Tegra210 PEQ8 9description:10 The Parametric Equalizer (PEQ) is a cascade of biquad filters with11 each filter tuned based on certain parameters. It can be used to12 equalize the irregularities in the speaker frequency response.13 PEQ sits inside Output Processing Engine (OPE) which interfaces14 with Audio Hub (AHUB) via Audio Client Interface (ACIF).15 16maintainers:17 - Jon Hunter <jonathanh@nvidia.com>18 - Mohan Kumar <mkumard@nvidia.com>19 - Sameer Pujar <spujar@nvidia.com>20 21properties:22 compatible:23 oneOf:24 - const: nvidia,tegra210-peq25 - items:26 - enum:27 - nvidia,tegra234-peq28 - nvidia,tegra194-peq29 - nvidia,tegra186-peq30 - const: nvidia,tegra210-peq31 32 reg:33 maxItems: 134 35required:36 - compatible37 - reg38 39additionalProperties: false40 41examples:42 - |43 equalizer@702d8100 {44 compatible = "nvidia,tegra210-peq";45 reg = <0x702d8100 0x100>;46 };47 48...49