linux-kernel - [PATCH v3 3/4] ASoC: dt-bindings: fsl-sai: allow only one dma-names

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Message-Id: <20240228-asrc_8qxp-v3-3-d4d5935fd3aa@nxp.com>
Date: Wed, 28 Feb 2024 14:14:15 -0500
From: Frank Li <Frank.Li@....com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Shengjiu Wang <shengjiu.wang@....com>
Cc: linux-sound@...r.kernel.org, devicetree@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, Frank Li <Frank.Li@....com>
Subject: [PATCH v3 3/4] ASoC: dt-bindings: fsl-sai: allow only one
 dma-names

Some sai only connect one direction. So allow only "rx" or "tx" for
dma-names.

Signed-off-by: Frank Li <Frank.Li@....com>
---
 Documentation/devicetree/bindings/sound/fsl,sai.yaml | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/fsl,sai.yaml b/Documentation/devicetree/bindings/sound/fsl,sai.yaml
index 2456d958adeef..0302752d58a2b 100644
--- a/Documentation/devicetree/bindings/sound/fsl,sai.yaml
+++ b/Documentation/devicetree/bindings/sound/fsl,sai.yaml
@@ -86,10 +86,14 @@ properties:
       - description: DMA controller phandle and request line for TX
 
   dma-names:
-    minItems: 1
-    items:
-      - const: rx
-      - const: tx
+    oneOf:
+      - items:
+          - const: rx
+          - const: tx
+      - items:
+          - enum:
+              - rx
+              - tx
 
   interrupts:
     items:

-- 
2.34.1