linux-kernel - [PATCH] ASoC: dt-bindings: simple-card: Document simple-audio-card,plat

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Message-Id: <20230105160346.29018-1-faiz.abbas@arm.com>
Date:   Thu,  5 Jan 2023 21:33:46 +0530
From:   Faiz Abbas <faiz.abbas@....com>
To:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        alsa-devel@...a-project.org, broonie@...nel.org
Cc:     lgirdwood@...il.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org,
        kuninori.morimoto.gx@...esas.com, Anurag.Koul@....com,
        Deepak.Pandey@....com, Faiz Abbas <faiz.abbas@....com>
Subject: [PATCH] ASoC: dt-bindings: simple-card: Document simple-audio-card,plat

The simple card driver has support for adding cpu, codec and platform
nodes with the simple-audio-card prefix. Add documentation for the plat
binding.

Signed-off-by: Faiz Abbas <faiz.abbas@....com>
---
 .../bindings/sound/simple-card.yaml           | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/simple-card.yaml b/Documentation/devicetree/bindings/sound/simple-card.yaml
index ed19899bc94b..fa67c76d4dbb 100644
--- a/Documentation/devicetree/bindings/sound/simple-card.yaml
+++ b/Documentation/devicetree/bindings/sound/simple-card.yaml
@@ -205,6 +205,8 @@ patternProperties:
     $ref: "#/definitions/dai"
   "^simple-audio-card,codec(@[0-9a-f]+)?$":
     $ref: "#/definitions/dai"
+  "^simple-audio-card,plat(@[0-9a-f]+)?$":
+    $ref: "#/definitions/dai"
 
   "^simple-audio-card,dai-link(@[0-9a-f]+)?$":
     description: |
@@ -285,6 +287,27 @@ examples:
         };
     };
 
+#-------------------------------
+# single DAI link with platform
+#-------------------------------
+ - |
+   sound {
+        compatible = "simple-audio-card";
+        simple-audio-card,format = "i2s";
+        simple-audio-card,mclk-fs = <384>;
+        simple-audio-card,cpu {
+                sound-dai = <&iofpga_i2s>;
+        };
+
+        simple-audio-card,codec {
+                sound-dai = <&hdmi_tx>;
+        };
+
+        simple-audio-card,plat {
+                sound-dai = <&audio_formatter>;
+        };
+};
+
 #--------------------
 # Multi DAI links
 #--------------------
-- 
2.25.1