Commit bd3452c8 authored by Jörg Schambacher's avatar Jörg Schambacher Committed by Phil Elwell
Browse files

Add Hifiberry DAC+DSP soundcard driver (#3224) 



Adds the driver for the Hifiberry DAC+DSP. It supports capture and
playback depending on the DSP firmware.

Signed-off-by: default avatarJoerg Schambacher <joerg@i2audio.com>
parent 6de367fd

arch/arm/boot/dts/overlays/Makefile

+1 −0
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@@ -54,6 +54,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ 
	hifiberry-dacplus.dtbo \

	hifiberry-dacplusadc.dtbo \

	hifiberry-dacplusadcpro.dtbo \

	hifiberry-dacplusdsp.dtbo \

	hifiberry-digi.dtbo \

	hifiberry-digi-pro.dtbo \

	hy28a.dtbo \

arch/arm/boot/dts/overlays/README

+6 −0
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@@ -904,6 +904,12 @@ Params: 24db_digital_gain Allow gain to be applied via the PCM512x codec 
                                master for bit clock and frame clock.





Name:   hifiberry-dacplusdsp

Info:   Configures the HifiBerry DAC+DSP audio card

Load:   dtoverlay=hifiberry-dacplusdsp

Params: <None>





Name:   hifiberry-digi

Info:   Configures the HifiBerry Digi and Digi+ audio card

Load:   dtoverlay=hifiberry-digi

arch/arm/boot/dts/overlays/hifiberry-dacplusdsp-overlay.dts

0 → 100644
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// Definitions for hifiberry DAC+DSP soundcard overlay

/dts-v1/;

/plugin/;



/ {

	compatible = "brcm,bcm2835";



	fragment@0 {

		target = <&i2s>;

		__overlay__ {

			status = "okay";

		};

	};



	fragment@1 {

		target-path = "/";

		__overlay__ {

			dacplusdsp-codec {

				#sound-dai-cells = <0>;

				compatible = "hifiberry,dacplusdsp";

				status = "okay";

			};

		};

	};



	fragment@2 {

		target = <&sound>;

		__overlay__ {

			compatible = "hifiberrydacplusdsp,hifiberrydacplusdsp-soundcard";

			i2s-controller = <&i2s>;

			status = "okay";

		};

	};

};

arch/arm/configs/bcm2709_defconfig

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@@ -970,6 +970,7 @@ CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC=m 
CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS=m

CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSADC=m

CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSADCPRO=m

CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSDSP=m

CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI=m

CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP=m

CONFIG_SND_BCM2708_SOC_RPI_CIRRUS=m

arch/arm/configs/bcm2711_defconfig

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@@ -981,6 +981,7 @@ CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC=m 
CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS=m

CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSADC=m

CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSADCPRO=m

CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSDSP=m

CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI=m

CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP=m

CONFIG_SND_BCM2708_SOC_RPI_CIRRUS=m