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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240226-audio-i350-v5-3-54827318b453@baylibre.com> References: <20240226-audio-i350-v5-0-54827318b453@baylibre.com> In-Reply-To: <20240226-audio-i350-v5-0-54827318b453@baylibre.com> To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Lee Jones , Flora Fu , Jaroslav Kysela , Takashi Iwai , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , Catalin Marinas , Will Deacon , Rob Herring , Krzysztof Kozlowski Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, Alexandre Mergnat X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2491; i=amergnat@baylibre.com; h=from:subject:message-id; bh=SWDpxVosRWcwhcp5w5dGFmY/1KI8cAMYk3ck/hCfKf0=; 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This sub-device is used to set the optional voltage values according to the hardware. The properties are: - Setup of microphone bias voltage. - Setup of the speaker pin pull-down. Also, add the audio power supply property which is dedicated for the audio codec sub-device. Signed-off-by: Alexandre Mergnat --- .../devicetree/bindings/mfd/mediatek,mt6357.yaml | 33 ++++++++++++++++++= ++++ 1 file changed, 33 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml b/D= ocumentation/devicetree/bindings/mfd/mediatek,mt6357.yaml index 37423c2e0fdf..d95307393e75 100644 --- a/Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml +++ b/Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml @@ -37,6 +37,32 @@ properties: "#interrupt-cells": const: 2 =20 + vaud28-supply: + description: 2.8 volt supply phandle for the audio codec + + audio-codec: + type: object + properties: + mediatek,hp-pull-down: + description: + Earphone driver positive output stage short to + the audio reference ground. + type: boolean + + mediatek,micbias0-microvolt: + description: Selects MIC Bias 0 output voltage. + enum: [1700000, 1800000, 1900000, 2000000, + 2100000, 2500000, 2600000, 2700000] + default: 1700000 + + mediatek,micbias1-microvolt: + description: Selects MIC Bias 1 output voltage. + enum: [1700000, 1800000, 1900000, 2000000, + 2100000, 2500000, 2600000, 2700000] + default: 1700000 + + unevaluatedProperties: false + regulators: type: object $ref: /schemas/regulator/mediatek,mt6357-regulator.yaml @@ -67,6 +93,7 @@ properties: required: - compatible - regulators + - vaud28-supply =20 additionalProperties: false =20 @@ -81,8 +108,14 @@ examples: interrupt-parent =3D <&pio>; interrupts =3D <145 IRQ_TYPE_LEVEL_HIGH>; interrupt-controller; + vaud28-supply =3D <&mt6357_vaud28_reg>; #interrupt-cells =3D <2>; =20 + audio-codec { + mediatek,micbias0-microvolt =3D <1700000>; + mediatek,micbias1-microvolt =3D <1700000>; + }; + regulators { mt6357_vproc_reg: buck-vproc { regulator-name =3D "vproc"; --=20 2.25.1