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ASoC: dt-bindings: cirrus,cs35l41: Document CS35l41 shared boost

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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>
This commit is contained in:
Lucas Tanure
2023-02-23 08:43:24 +00:00
committed by Mark Brown
parent f503056493
commit 340307d7ef
1 changed files with 9 additions and 1 deletions
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10
Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml
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@@ -85,11 +85,19 @@ properties:
boost-cap-microfarad.
External Boost must have GPIO1 as GPIO output. GPIO1 will be set high to
enable boost voltage.
Shared boost allows two amplifiers to share a single boost circuit by
communicating on the MDSYNC bus. The active amplifier controls the boost
circuit using combined data from both amplifiers. GPIO1 should be
configured for Sync when shared boost is used. Shared boost is not
compatible with External boost. Active amplifier requires
boost-peak-milliamp, boost-ind-nanohenry and boost-cap-microfarad.
0 = Internal Boost
1 = External Boost
2 = Shared Boost Active
3 = Shared Boost Passive
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 1
maximum: 3
cirrus,gpio1-polarity-invert:
description: