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 --- arch/arm/boot/dts/armada-370.dtsi | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)
diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi index 0d8530c..e3f4c18 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>; };