TAS2770 can pull down and zero-fill SDOUT when not actively transmitting
TDM slot data. Zero-fill is useful when there are no other amps on the
bus. Pulldown is useful when the chip is attached to a shared bus.
Signed-off-by: James Calligeros <jcalligeros99@xxxxxxxxx>
---
.../bindings/sound/ti,tas2770.yaml | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/ti,tas2770.yaml b/Documentation/devicetree/bindings/sound/ti,tas2770.yaml
index 8eab98a0f7a25a9c87d2c56fd0635ff8ecee17d0..3eba9bb34a581526f68b6bf2e8437e1f1e03d26f 100644
--- a/Documentation/devicetree/bindings/sound/ti,tas2770.yaml
+++ b/Documentation/devicetree/bindings/sound/ti,tas2770.yaml
@@ -57,6 +57,18 @@ properties:
- 0 # Rising edge
- 1 # Falling edge
+ ti,sdout-pull-down:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ If present, SDOUT will be pulled low when not
+ transmitting.
+
+ ti,sdout-zero-fill:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ If present, SDOUT will be zero-filled when not
+ transmitting.
+
'#sound-dai-cells':
# The codec has a single DAI, the #sound-dai-cells=<1>; case is left in for backward
# compatibility but is deprecated.
--
2.48.1
