ASoC: tac5xx2-sdw: add soundwire based codec driver

Add codec driver for tac5xx2 family of devices.
This includes the support for
  1. tac5572 - DAC, PDM, UAJ and HID
  2. tas2883 - Amplifier with DSP
  3. tac5672 - Similar to tac5572 with feedback
  4. tac5682 - Similar to tac5672 with Amplifier DSP.

Signed-off-by: Niranjan H Y <niranjan.hy@ti.com>

Author: niranjanhyti

sound/soc/codecs/Kconfig

@@ -264,6 +264,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_STA529
 	imply SND_SOC_STAC9766
 	imply SND_SOC_STI_SAS
+	imply SND_SOC_TAC5XX2_SDW
 	imply SND_SOC_TAS2552
 	imply SND_SOC_TAS2562
 	imply SND_SOC_TAS2764
@@ -2116,6 +2117,15 @@ config SND_SOC_STAC9766
 config SND_SOC_STI_SAS
 	tristate "codec Audio support for STI SAS codec"
 
+config SND_SOC_TAC5XX2_SDW
+	tristate "Texas Instruments TAC5XX2 SoundWire Smart Amplifier"
+	depends on SOUNDWIRE
+	help
+	  This option enables support for Texas Instruments TAC5XX2 family
+	  of SoundWire Smart Amplifiers. This includes TAC5572, TAC5672,
+	  TAC568 and TAS2883. To compile this driver as a module, choose
+	  M here: the module will be called snd-soc-tac5xx2.
+
 config SND_SOC_TAS2552
 	tristate "Texas Instruments TAS2552 Mono Audio amplifier"
 	depends on I2C

sound/soc/codecs/Makefile

@@ -312,6 +312,7 @@ snd-soc-sta350-y := sta350.o
 snd-soc-sta529-y := sta529.o
 snd-soc-stac9766-y := stac9766.o
 snd-soc-sti-sas-y := sti-sas.o
+snd-soc-tac5xx2-sdw-y := tac5xx2-sdw.o
 snd-soc-tas5086-y := tas5086.o
 snd-soc-tas571x-y := tas571x.o
 snd-soc-tas5720-y := tas5720.o
@@ -743,6 +744,7 @@ obj-$(CONFIG_SND_SOC_STA350)   += snd-soc-sta350.o
 obj-$(CONFIG_SND_SOC_STA529)   += snd-soc-sta529.o
 obj-$(CONFIG_SND_SOC_STAC9766)	+= snd-soc-stac9766.o
 obj-$(CONFIG_SND_SOC_STI_SAS)	+= snd-soc-sti-sas.o
+obj-$(CONFIG_SND_SOC_TAC5XX2_SDW)	+= snd-soc-tac5xx2-sdw.o
 obj-$(CONFIG_SND_SOC_TAS2552)	+= snd-soc-tas2552.o
 obj-$(CONFIG_SND_SOC_TAS2562)	+= snd-soc-tas2562.o
 obj-$(CONFIG_SND_SOC_TAS2764)	+= snd-soc-tas2764.o