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 | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi index 7a4b82e..d3bb66a 100644 --- a/arch/arm/boot/dts/armada-370.dtsi +++ b/arch/arm/boot/dts/armada-370.dtsi @@ -128,6 +128,20 @@ "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 { @@ -241,6 +255,16 @@ 0x18304 0x4>; status = "okay"; }; + + audio-controller@30000 { + compatible = "marvell,armada370-audio"; + reg = <0x30000 0x4000>; + interrupts = <93>; + clocks = <&gateclk 0>; + clock-names = "internal"; + status = "disabled"; + }; + }; }; };