ASoC: cygnus: Add Cygnus audio DMA driver

This patch adds Cygnus audio DMA driver. It supports playback and capture modes and uses ringbuffers for data transfer. Signed-off-by: Lori Hikichi <lhikichi@broadcom.com> Signed-off-by: Simran Rai <ssimran@broadcom.com> Reviewed-by: Ray Jui <rjui@broadcom.com> Reviewed-by: Arun Parameswaran <arunp@broadcom.com> Reviewed-by: Scott Branden <sbranden@broadcom.com> Signed-off-by: Mark Brown <broonie@kernel.org>
mariux64 · May 31, 2016 · 1200a7d · 1200a7d
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diff --git a/sound/soc/bcm/Kconfig b/sound/soc/bcm/Kconfig
@@ -7,3 +7,12 @@ config SND_BCM2835_SOC_I2S
 	  Say Y or M if you want to add support for codecs attached to
 	  the BCM2835 I2S interface. You will also need
 	  to select the audio interfaces to support below.
+
+config SND_SOC_CYGNUS
+	tristate "SoC platform audio for Broadcom Cygnus chips"
+	depends on ARCH_BCM_CYGNUS || COMPILE_TEST
+	help
+	  Say Y if you want to add support for ASoC audio on Broadcom
+	  Cygnus chips (bcm958300, bcm958305, bcm911360)
+
+	  If you don't know what to do here, say N.
diff --git a/sound/soc/bcm/Makefile b/sound/soc/bcm/Makefile
@@ -3,3 +3,8 @@ snd-soc-bcm2835-i2s-objs := bcm2835-i2s.o
 
 obj-$(CONFIG_SND_BCM2835_SOC_I2S) += snd-soc-bcm2835-i2s.o
 
+# CYGNUS Platform Support
+snd-soc-cygnus-objs := cygnus-pcm.o cygnus-ssp.o
+
+obj-$(CONFIG_SND_SOC_CYGNUS) += snd-soc-cygnus.o
+