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ASoC: apple: mca: Start new platform driver

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Add ASoC platform driver for the MCA peripheral found on Apple M1 and
other chips.

Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20220824160715.95779-4-povik+lin@cutebit.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Martin Povišer 2022-08-24 18:07:14 +02:00 committed by Mark Brown
parent 568035b01c
commit 3df5d0d972
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6 changed files with 1170 additions and 0 deletions
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8
MAINTAINERS
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@ -1899,6 +1899,14 @@ F: include/dt-bindings/pinctrl/apple.h
F: include/linux/apple-mailbox.h
F: include/linux/soc/apple/*
ARM/APPLE MACHINE SOUND DRIVERS
M: Martin Povišer <povik+lin@cutebit.org>
L: asahi@lists.linux.dev
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Maintained
F: Documentation/devicetree/bindings/sound/apple,*
F: drivers/sound/apple/*
ARM/ARTPEC MACHINE SUPPORT
M: Jesper Nilsson <jesper.nilsson@axis.com>
M: Lars Persson <lars.persson@axis.com>

1
sound/soc/Kconfig
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@ -68,6 +68,7 @@ config SND_SOC_ACPI
# All the supported SoCs
source "sound/soc/adi/Kconfig"
source "sound/soc/amd/Kconfig"
source "sound/soc/apple/Kconfig"
source "sound/soc/atmel/Kconfig"
source "sound/soc/au1x/Kconfig"
source "sound/soc/bcm/Kconfig"

1
sound/soc/Makefile
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@ -34,6 +34,7 @@ obj-$(CONFIG_SND_SOC_ACPI) += snd-soc-acpi.o
obj-$(CONFIG_SND_SOC) += snd-soc-core.o
obj-$(CONFIG_SND_SOC) += codecs/
obj-$(CONFIG_SND_SOC) += generic/
obj-$(CONFIG_SND_SOC) += apple/
obj-$(CONFIG_SND_SOC) += adi/
obj-$(CONFIG_SND_SOC) += amd/
obj-$(CONFIG_SND_SOC) += atmel/

9
sound/soc/apple/Kconfig Normal file
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@ -0,0 +1,9 @@
config SND_SOC_APPLE_MCA
tristate "Apple Silicon MCA driver"
depends on ARCH_APPLE || COMPILE_TEST
select SND_DMAENGINE_PCM
select COMMON_CLK
default ARCH_APPLE
help
This option enables an ASoC platform driver for MCA peripherals found
on Apple Silicon SoCs.

3
sound/soc/apple/Makefile Normal file
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@ -0,0 +1,3 @@
snd-soc-apple-mca-objs := mca.o
obj-$(CONFIG_SND_SOC_APPLE_MCA) += snd-soc-apple-mca.o

1148
sound/soc/apple/mca.c Normal file
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