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ASoC: dt-bindings: cirrus,cs35l41: Document CS35l41 shared boost
Describe the properties used for shared boost configuration. Based on David Rhodes shared boost patches. Signed-off-by: Lucas Tanure <lucas.tanure@collabora.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: David Rhodes <david.rhodes@cirrus.com> Link: https://lore.kernel.org/r/20230223084324.9076-5-lucas.tanure@collabora.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -85,11 +85,19 @@ properties:
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boost-cap-microfarad.
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External Boost must have GPIO1 as GPIO output. GPIO1 will be set high to
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enable boost voltage.
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Shared boost allows two amplifiers to share a single boost circuit by
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communicating on the MDSYNC bus. The active amplifier controls the boost
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circuit using combined data from both amplifiers. GPIO1 should be
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configured for Sync when shared boost is used. Shared boost is not
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compatible with External boost. Active amplifier requires
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boost-peak-milliamp, boost-ind-nanohenry and boost-cap-microfarad.
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0 = Internal Boost
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1 = External Boost
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2 = Shared Boost Active
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3 = Shared Boost Passive
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 0
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maximum: 1
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maximum: 3
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cirrus,gpio1-polarity-invert:
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description:
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