3 files changed, 35 insertions, 3 deletions

diff --git a/Documentation/devicetree/bindings/sound/armada-370db-audio.txt b/Documentation/devicetree/bindings/sound/armada-370db-audio.txt
index 3893b4d15a20..bf984d238620 100644
--- a/Documentation/devicetree/bindings/sound/armada-370db-audio.txt
+++ b/Documentation/devicetree/bindings/sound/armada-370db-audio.txt
@@ -11,14 +11,17 @@ Mandatory properties:
  * marvell,audio-controller: a phandle that points to the audio
    controller of the Armada 370 SoC.
 
- * marvell,audio-codec: a phandle that points to the analog audio
-   codec connected to the Armada 370 SoC.
+ * marvell,audio-codec: a set of three phandles that points to:
+
+    1/ the analog audio codec connected to the Armada 370 SoC
+    2/ the S/PDIF transceiver
+    3/ the S/PDIF receiver
 
 Example:
 
         sound {
               compatible = "marvell,a370db-audio";
               marvell,audio-controller = <&audio_controller>;
-              marvell,audio-codec = <&audio_codec>;
+              marvell,audio-codec = <&audio_codec &spdif_out &spdif_in>;
               status = "okay";
         };
diff --git a/sound/soc/kirkwood/Kconfig b/sound/soc/kirkwood/Kconfig
index 2dc3ecf34801..49f8437665de 100644
--- a/sound/soc/kirkwood/Kconfig
+++ b/sound/soc/kirkwood/Kconfig
@@ -10,6 +10,7 @@ config SND_KIRKWOOD_SOC_ARMADA370_DB
         tristate "SoC Audio support for Armada 370 DB"
         depends on SND_KIRKWOOD_SOC && (ARCH_MVEBU || COMPILE_TEST) && I2C
         select SND_SOC_CS42L51
+        select SND_SOC_SPDIF
         help
           Say Y if you want to add support for SoC audio on
           the Armada 370 Development Board.
diff --git a/sound/soc/kirkwood/armada-370-db.c b/sound/soc/kirkwood/armada-370-db.c
index 977639b3ffde..c44333849259 100644
--- a/sound/soc/kirkwood/armada-370-db.c
+++ b/sound/soc/kirkwood/armada-370-db.c
@@ -67,6 +67,20 @@ static struct snd_soc_dai_link a370db_dai[] = {
         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
         .ops = &a370db_ops,
 },
+{
+        .name = "S/PDIF out",
+        .stream_name = "spdif-out",
+        .cpu_dai_name = "spdif",
+        .codec_dai_name = "dit-hifi",
+        .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
+},
+{
+        .name = "S/PDIF in",
+        .stream_name = "spdif-in",
+        .cpu_dai_name = "spdif",
+        .codec_dai_name = "dir-hifi",
+        .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
+},
 };
 
 static struct snd_soc_card a370db = {
@@ -95,6 +109,20 @@ static int a370db_probe(struct platform_device *pdev)
                 of_parse_phandle(pdev->dev.of_node,
                                  "marvell,audio-codec", 0);
 
+        a370db_dai[1].cpu_of_node = a370db_dai[0].cpu_of_node;
+        a370db_dai[1].platform_of_node = a370db_dai[0].cpu_of_node;
+
+        a370db_dai[1].codec_of_node =
+                of_parse_phandle(pdev->dev.of_node,
+                                 "marvell,audio-codec", 1);
+
+        a370db_dai[2].cpu_of_node = a370db_dai[0].cpu_of_node;
+        a370db_dai[2].platform_of_node = a370db_dai[0].cpu_of_node;
+
+        a370db_dai[2].codec_of_node =
+                of_parse_phandle(pdev->dev.of_node,
+                                 "marvell,audio-codec", 2);
+
         return devm_snd_soc_register_card(card->dev, card);
 }