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Wed, 14 Oct 2026 05:02:19 -0700 (PDT) From: Svyatoslav Ryhel To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter , Jaroslav Kysela , Takashi Iwai , Svyatoslav Ryhel Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] ASoC: dt-bindings: nvidia,tegra-audio: Document WM8994 CODEC Date: Wed, 14 Oct 2026 15:01:47 +0300 Message-ID: <20261014120148.126160-2-clamor95@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261014120148.126160-1-clamor95@gmail.com> References: <20261014120148.126160-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add dt-binding for WM8994 CODEC. Signed-off-by: Svyatoslav Ryhel --- .../sound/nvidia,tegra-audio-wm8994.yaml | 110 ++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8994.yaml diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8994.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8994.yaml new file mode 100644 index 0000000000000..d2c317f831ced --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8994.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/nvidia,tegra-audio-wm8994.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra audio complex with WM8994 CODEC + +maintainers: + - Svyatoslav Ryhel + +allOf: + - $ref: nvidia,tegra-audio-common.yaml# + +properties: + compatible: + items: + - pattern: '^[a-z0-9]+,tegra-audio-wm8994(-[a-z0-9]+)+$' + - const: nvidia,tegra-audio-wm8994 + + nvidia,audio-routing: + $ref: /schemas/types.yaml#/definitions/non-unique-string-array + description: | + A list of the connections between audio components. + Each entry is a pair of strings, the first being the connection's sink, + the second being the connection's source. Valid names for sources and + sinks are the pins (documented in the binding document), + and the jacks on the board. + minItems: 2 + items: + enum: + # Board Connectors + - Headphone Jack + - Int Spk + - Earpiece + - Line Out + - Mic Jack + - Int Mic + - Internal Mic 1 + - Internal Mic 2 + - FM Radio + + # CODEC Pins + - SPKOUTLP + - SPKOUTLN + - SPKOUTRP + - SPKOUTRN + - HPOUT1L + - HPOUT1R + - HPOUT2P + - HPOUT2N + - LINEOUT1P + - LINEOUT1N + - LINEOUT2P + - LINEOUT2N + - IN1LN + - IN1LP + - IN2LN + - IN2LP:VXRN + - IN1RN + - IN1RP + - IN2RN + - IN2RP:VXRP + - DMIC1DAT + - DMIC2DAT + - MICBIAS1 + - MICBIAS2 + +required: + - nvidia,i2s-controller + +unevaluatedProperties: false + +examples: + - | + #include + #include + + sound { + compatible = "lg,tegra-audio-wm8994-star", + "nvidia,tegra-audio-wm8994"; + nvidia,model = "LG Optimus 2X WM8994"; + + nvidia,audio-routing = + "Headphone Jack", "HPOUT1L", + "Headphone Jack", "HPOUT1R", + "Int Spk", "SPKOUTLN", + "Int Spk", "SPKOUTLP", + "Earpiece", "HPOUT2N", + "Earpiece", "HPOUT2P", + "IN2RN", "MICBIAS2", + "IN2RN", "Mic Jack", + "IN1LN", "MICBIAS1", + "IN1LN", "Internal Mic 1", + "IN1RN", "MICBIAS1", + "IN1RN", "Internal Mic 2"; + + nvidia,i2s-controller = <&tegra_i2s1>; + nvidia,audio-codec = <&wm8994>; + + nvidia,hp-det-gpios = <&gpio 51 GPIO_ACTIVE_HIGH>; + nvidia,mic-det-gpios = <&gpio 27 GPIO_ACTIVE_HIGH>; + nvidia,ext-mic-en-gpios = <&gpio 57 GPIO_ACTIVE_HIGH>; + nvidia,coupled-mic-hp-det; + + clocks = <&tegra_car TEGRA20_CLK_PLL_A>, + <&tegra_car TEGRA20_CLK_PLL_A_OUT0>, + <&tegra_car TEGRA20_CLK_CDEV1>; + clock-names = "pll_a", "pll_a_out0", "mclk"; + }; -- 2.53.0