diff options
| author | Daniel Mack <zonque@gmail.com> | 2013-06-24 16:25:32 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-06-25 10:26:49 +0100 |
| commit | 79b23b564060c5483a489562b01a6eb778a312f7 (patch) | |
| tree | 51581ce2a9ece9c6cd6ff3cf5e14e11627a6e196 /Documentation/devicetree/bindings/sound | |
| parent | 18710acdeea02777ef70013465f6f7fced411096 (diff) | |
ASoC: tas5086: add support for pwm start mode config
The TAS5086 has two alternative modes to start its PWM channels, Mid-Z
and Low-Z. Which one to use depends on how the PWM power stages are
connected to the TAS5086.
This patch adds 6 optional boolean properties to the DT bindings of the
driver which allow the user to configure each individual channel to the
Mid-Z scheme, and leaves all the others to the default (Low-Z).
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/ti,tas5086.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/ti,tas5086.txt b/Documentation/devicetree/bindings/sound/ti,tas5086.txt index 8ea4f5b4818..d2866a0d6a2 100644 --- a/Documentation/devicetree/bindings/sound/ti,tas5086.txt +++ b/Documentation/devicetree/bindings/sound/ti,tas5086.txt @@ -20,6 +20,17 @@ Optional properties: When not specified, the hardware default of 1300ms is retained. + - ti,mid-z-channel-X: Boolean properties, X being a number from 1 to 6. + If given, channel X will start with the Mid-Z start + sequence, otherwise the default Low-Z scheme is used. + + The correct configuration depends on how the power + stages connected to the PWM output pins work. Not all + power stages are compatible to Mid-Z - please refer + to the datasheets for more details. + + Most systems should not set any of these properties. + Examples: i2c_bus { |