[PATCH 3/7] ASoC: dt-bindings: add TDM slot idle mode properties
From: James Calligeros <hidden>
Date: 2025-12-09 09:31:54
Also in:
asahi, imx, linux-devicetree, linux-sound, lkml
Subsystem:
open firmware and flattened device tree bindings, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Liam Girdwood, Mark Brown, Linus Torvalds
Add properties to describe TDM slot idle behaviour. Signed-off-by: James Calligeros <redacted> --- .../bindings/sound/tdm-slot.yaml | 32 +++++++++++++++++++++++++ 1 file changed, 32 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/tdm-slot.yaml b/Documentation/devicetree/bindings/sound/tdm-slot.yaml
index b67844e1dfd5..b247b315d7f4 100644
--- a/Documentation/devicetree/bindings/sound/tdm-slot.yaml
+++ b/Documentation/devicetree/bindings/sound/tdm-slot.yaml@@ -11,6 +11,16 @@ maintainers: select: false +$defs: + dai-tdm-idle-mode: + $ref: /schemas/types.yaml#/definitions/string + enum: + - none + - off + - zero + - pulldown + - hiz + definitions: dai-tdm-slot-num: $ref: /schemas/types.yaml#/definitions/uint32
@@ -32,3 +42,25 @@ definitions: dai-tdm-slot-rx-mask: $ref: /schemas/types.yaml#/definitions/uint32-array description: Receive direction slot mask. Optional. Identical to TX mask. + + dai-tdm-slot-tx-idle-mode: + $ref: "#/$defs/dai-tdm-idle-mode" + description: Transmit direction idle slot mode. Optional. For hardware + that can configure its behaviour during idle TDM slots via + .set_tdm_idle(). "None" represents UB/unspecified behaviour and is the + same as not setting this property. + + dai-tdm-slot-rx-idle-mode: + $ref: "#/$defs/dai-tdm-idle-mode" + description: Receive direction idle slot mode. Optional. Identical to TX + idle slot mode. + + dai-tdm-slot-tx-idle-mask: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Transmit direction idle slot mask. Optional. 1 represents + an idle slot. + + dai-tdm-slot-rx-idle-mask: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Receive direction idle slot mask. Optional. Identical to + TX mask.
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2.52.0