[PATCH 3/7] ASoC: dt-bindings: add TDM slot idle mode properties

[James Calligeros]

Add properties to describe TDM slot idle behaviour.

Signed-off-by: James Calligeros <jcalligeros99 at gmail.com>
---
 .../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.

-- 
2.52.0