linux-kernel - [PATCH 1/2] dt-bindings: sound: xlnx,i2s: Make discoverable parameters optional

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Message-Id: <20260129172315.3871602-2-sean.anderson@linux.dev>
Date: Thu, 29 Jan 2026 12:23:14 -0500
From: Sean Anderson <sean.anderson@...ux.dev>
To: Vincenzo Frascino <vincenzo.frascino@....com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	linux-sound@...r.kernel.org
Cc: Jaroslav Kysela <perex@...ex.cz>,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Michal Simek <michal.simek@....com>,
	Takashi Iwai <tiwai@...e.com>,
	Sean Anderson <sean.anderson@...ux.dev>,
	Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Rob Herring <robh@...nel.org>,
	devicetree@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: sound: xlnx,i2s: Make discoverable parameters optional

These parameters can be discovered from a config register. As they will
not be used any more, mark them deprecated, make them optional, and
remove them from the example.

Signed-off-by: Sean Anderson <sean.anderson@...ux.dev>
---

 Documentation/devicetree/bindings/sound/xlnx,i2s.yaml | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/xlnx,i2s.yaml b/Documentation/devicetree/bindings/sound/xlnx,i2s.yaml
index 3c2b0be07c53..180f43f2b230 100644
--- a/Documentation/devicetree/bindings/sound/xlnx,i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/xlnx,i2s.yaml
@@ -29,6 +29,7 @@ properties:
     enum:
       - 16
       - 24
+    deprecated: true
     description: |
       Sample data width.
 
@@ -36,14 +37,13 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32
     minimum: 1
     maximum: 4
+    deprecated: true
     description: |
       Number of I2S streams.
 
 required:
   - compatible
   - reg
-  - xlnx,dwidth
-  - xlnx,num-channels
 
 additionalProperties: false
 
@@ -52,14 +52,10 @@ examples:
     i2s@...80000 {
       compatible = "xlnx,i2s-receiver-1.0";
       reg = <0xa0080000 0x10000>;
-      xlnx,dwidth = <0x18>;
-      xlnx,num-channels = <1>;
     };
     i2s@...90000 {
       compatible = "xlnx,i2s-transmitter-1.0";
       reg = <0xa0090000 0x10000>;
-      xlnx,dwidth = <0x18>;
-      xlnx,num-channels = <1>;
     };
 
 ...
-- 
2.35.1.1320.gc452695387.dirty