linux-kernel - [PATCH 2/2] ASoC: dt-bindings: simple-card: Document new DAI flags playback-only/capture-only

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Message-Id: <20230801082433.548206-3-daniel.baluta@oss.nxp.com>
Date:   Tue,  1 Aug 2023 11:24:33 +0300
From:   Daniel Baluta <daniel.baluta@....nxp.com>
To:     broonie@...nel.org, alsa-devel@...a-project.org, robh+dt@...nel.org
Cc:     kuninori.morimoto.gx@...esas.com, spujar@...dia.com,
        tiwai@...e.com, perex@...ex.cz, linux-kernel@...r.kernel.org,
        linux-imx@....com, devicetree@...r.kernel.org,
        daniel.baluta@...il.com
Subject: [PATCH 2/2] ASoC: dt-bindings: simple-card: Document new DAI flags playback-only/capture-only

From: Daniel Baluta <daniel.baluta@....com>

Document new playback-only and capture-only flags which can be used when
dai link can only support just one direction: playback or capture but
not both.

Signed-off-by: Daniel Baluta <daniel.baluta@....com>
---
 Documentation/devicetree/bindings/sound/simple-card.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/simple-card.yaml b/Documentation/devicetree/bindings/sound/simple-card.yaml
index 59ac2d1d1ccf..1bf331f095a4 100644
--- a/Documentation/devicetree/bindings/sound/simple-card.yaml
+++ b/Documentation/devicetree/bindings/sound/simple-card.yaml
@@ -27,6 +27,14 @@ definitions:
     description: dai-link uses bit clock inversion
     $ref: /schemas/types.yaml#/definitions/flag
 
+  playback-only:
+    description: dai-link is used only for playback
+    $ref: /schemas/types.yaml#/definitions/flag
+
+  capture-only:
+    description: dai-link is used only for capture
+    $ref: /schemas/types.yaml#/definitions/flag
+
   dai-tdm-slot-num:
     description: see tdm-slot.txt.
     $ref: /schemas/types.yaml#/definitions/uint32
-- 
2.25.1