ARM: mvebu: add audio I2S controller to Armada 370 Device Tree

The Armada 370 SoC has an I2S audio controller. This commit adds the
description of this controller to the Device Tree describing this SoC,
as well as two possible muxing configurations for the I2S bus pins.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

1 files changed, 23 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi
index 0d8530c98cf5..e3f4c187ef48 100644
--- a/arch/arm/boot/dts/armada-370.dtsi
+++ b/arch/arm/boot/dts/armada-370.dtsi
@@ -132,6 +132,20 @@
                                                         "mpp51", "mpp52", "mpp53";
                                         marvell,function = "sd0";
                                 };
+
+                                i2s_pins1: i2s-pins1 {
+                                        marvell,pins = "mpp5", "mpp6", "mpp7",
+                                                       "mpp8", "mpp9", "mpp10",
+                                                       "mpp12", "mpp13";
+                                        marvell,function = "audio";
+                                };
+
+                                i2s_pins2: i2s-pins2 {
+                                        marvell,pins = "mpp49", "mpp47", "mpp50",
+                                                       "mpp59", "mpp57", "mpp61",
+                                                       "mpp62", "mpp60", "mpp58";
+                                        marvell,function = "audio";
+                                };
                         };
 
                         gpio0: gpio@18100 {
@@ -196,6 +210,15 @@
                                 clocks = <&coreclk 2>;
                         };
 
+                        audio_controller: audio-controller@30000 {
+                                compatible = "marvell,armada370-audio";
+                                reg = <0x30000 0x4000>;
+                                interrupts = <93>;
+                                clocks = <&gateclk 0>;
+                                clock-names = "internal";
+                                status = "disabled";
+                        };
+
                         usb@50000 {
                                 clocks = <&coreclk 0>;
                         };