linux-kernel - [PATCHv5 6/9] ASoC: dt-bindings: fsl-asoc-card: add compatible string for spdif

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Date: Thu, 20 Jun 2024 15:25:08 +0200
From: Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>
To: Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Shengjiu Wang <shengjiu.wang@...il.com>,
	Xiubo Li <Xiubo.Lee@...il.com>,
	Nicolin Chen <nicoleotsuka@...il.com>
Cc: Pengutronix Kernel Team <kernel@...gutronix.de>,
	linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org,
	linuxppc-dev@...ts.ozlabs.org,
	Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>,
	Philip-Dylan <philip-dylan.gleonec@...oirfairelinux.com>
Subject: [PATCHv5 6/9] ASoC: dt-bindings: fsl-asoc-card: add compatible string for spdif

The S/PDIF audio card support was merged from imx-spdif into the
fsl-asoc-card driver, making it possible to use an S/PDIF with an ASRC.
Add the new compatible and update properties.

Signed-off-by: Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>
---
 .../bindings/sound/fsl-asoc-card.yaml         | 30 ++++++++++++++++---
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/fsl-asoc-card.yaml b/Documentation/devicetree/bindings/sound/fsl-asoc-card.yaml
index 9922664d5ccc..f2e28b32808e 100644
--- a/Documentation/devicetree/bindings/sound/fsl-asoc-card.yaml
+++ b/Documentation/devicetree/bindings/sound/fsl-asoc-card.yaml
@@ -33,6 +33,7 @@ properties:
       - items:
           - enum:
               - fsl,imx-sgtl5000
+              - fsl,imx-sabreauto-spdif
               - fsl,imx25-pdk-sgtl5000
               - fsl,imx53-cpuvo-sgtl5000
               - fsl,imx51-babbage-sgtl5000
@@ -54,6 +55,7 @@ properties:
               - fsl,imx6q-ventana-sgtl5000
               - fsl,imx6sl-evk-wm8962
               - fsl,imx6sx-sdb-mqs
+              - fsl,imx6sx-sdb-spdif
               - fsl,imx6sx-sdb-wm8962
               - fsl,imx7d-evk-wm8960
               - karo,tx53-audio-sgtl5000
@@ -65,6 +67,7 @@ properties:
               - fsl,imx-audio-sgtl5000
               - fsl,imx-audio-wm8960
               - fsl,imx-audio-wm8962
+              - fsl,imx-audio-spdif
       - items:
           - enum:
               - fsl,imx-audio-ac97
@@ -81,6 +84,7 @@ properties:
               - fsl,imx-audio-wm8960
               - fsl,imx-audio-wm8962
               - fsl,imx-audio-wm8958
+              - fsl,imx-audio-spdif
 
   model:
     $ref: /schemas/types.yaml#/definitions/string
@@ -93,8 +97,15 @@ properties:
       need to add ASRC support via DPCM.
 
   audio-codec:
-    $ref: /schemas/types.yaml#/definitions/phandle
-    description: The phandle of an audio codec
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description: |
+      The phandle of an audio codec.
+      With "fsl,imx-audio-spdif", either SPDIF audio codec spdif_transmitter,
+      spdif_receiver or both.
+    minItems: 1
+    maxItems: 2
+    items:
+      maxItems: 1
 
   audio-cpu:
     $ref: /schemas/types.yaml#/definitions/phandle
@@ -150,8 +161,10 @@ properties:
     description: dai-link uses bit clock inversion.
 
   mclk-id:
-    $ref: /schemas/types.yaml#/definitions/uint32
-    description: main clock id, specific for each card configuration.
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: Main clock id for each codec, specific for each card configuration.
+    minItems: 1
+    maxItems: 2
 
   mux-int-port:
     $ref: /schemas/types.yaml#/definitions/uint32
@@ -195,3 +208,12 @@ examples:
              "AIN2L", "Line In Jack",
              "AIN2R", "Line In Jack";
     };
+
+  - |
+    sound-spdif-asrc {
+      compatible = "fsl,imx-audio-spdif";
+      model = "spdif-asrc-audio";
+      audio-cpu = <&spdif>;
+      audio-asrc = <&easrc>;
+      audio-codec = <&spdifdit>, <&spdifdir>;
+    };
-- 
2.34.1