From: Marcin Wojtas <mw@xxxxxxxxxxxx>
This commit adds the necessary Device Tree information to enable
audio support on the Armada 385 DB platform. In details it:
* Instantiates the CS42L51 audio codec on the I2C0 bus
* Adds simple-card DT binding for audio on Armada 385 DB
* Adds description for both analog I2S and S/PDIF I/O
* Disabled by default
Signed-off-by: Marcin Wojtas <mw@xxxxxxxxxxxx>
Signed-off-by: Nadav Haklai <nadavh@xxxxxxxxxxx>
Tested-by: Star_Automation <star@xxxxxxxxxxx>
Tested-by: Lior Amsalem <alior@xxxxxxxxxxx>
---
arch/arm/boot/dts/armada-388-db.dts | 69 +++++++++++++++++++++++++++++
1 file changed, 69 insertions(+)
diff --git a/arch/arm/boot/dts/armada-388-db.dts b/arch/arm/boot/dts/armada-388-db.dts
index 5130eccc32af..2bcec5419b66 100644
--- a/arch/arm/boot/dts/armada-388-db.dts
+++ b/arch/arm/boot/dts/armada-388-db.dts
@@ -36,6 +36,11 @@
i2c@11000 {
status = "okay";
clock-frequency = <100000>;
+ audio_codec: audio-codec@4a {
+ #sound-dai-cells = <0>;
+ compatible = "cirrus,cs42l51";
+ reg = <0x4a>;
+ };
};
i2c@11100 {
@@ -99,6 +104,12 @@
no-1-8-v;
};
+ audio-controller@e8000 {
+ pinctrl-0 = <&i2s_pins>;
+ pinctrl-names = "default";
+ status = "disabled";
+ };
+
usb3@f0000 {
status = "okay";
};
@@ -128,6 +139,64 @@
};
};
};
+
+ sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "Armada 385 DB Audio";
+ simple-audio-card,mclk-fs = <256>;
+ simple-audio-card,widgets =
+ "Headphone", "Out Jack",
+ "Line", "In Jack";
+ simple-audio-card,routing =
+ "Out Jack", "HPL",
+ "Out Jack", "HPR",
+ "AIN1L", "In Jack",
+ "AIN1R", "In Jack";
+ status = "disabled";
+
+ simple-audio-card,dai-link@0 {
+ format = "i2s";
+ cpu {
+ sound-dai = <&audio_controller 0>;
+ };
+
+ codec {
+ sound-dai = <&audio_codec>;
+ };
+ };
+
+ simple-audio-card,dai-link@1 {
+ format = "i2s";
+ cpu {
+ sound-dai = <&audio_controller 1>;
+ };
+
+ codec {
+ sound-dai = <&spdif_out>;
+ };
+ };
+
+ simple-audio-card,dai-link@2 {
+ format = "i2s";
+ cpu {
+ sound-dai = <&audio_controller 1>;
+ };
+
+ codec {
+ sound-dai = <&spdif_in>;
+ };
+ };
+ };
+
+ spdif_out: spdif-out {
+ #sound-dai-cells = <0>;
+ compatible = "linux,spdif-dit";
+ };
+
+ spdif_in: spdif-in {
+ #sound-dai-cells = <0>;
+ compatible = "linux,spdif-dir";
+ };
};
&spi0 {
--
2.20.1
