ASoC: codecs: wsa884x: Add WSA884x family of speakers

Add drivers for Qualcomm WSA8840/WSA8845/WSA8845H smart speaker
amplifiers.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230616115751.392886-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

MAINTAINERS

@@ -17163,6 +17163,7 @@ F:	sound/soc/codecs/wcd9335.*
 F:	sound/soc/codecs/wcd934x.c
 F:	sound/soc/codecs/wsa881x.c
 F:	sound/soc/codecs/wsa883x.c
+F:	sound/soc/codecs/wsa884x.c
 F:	sound/soc/qcom/
 
 QCOM EMBEDDED USB DEBUGGER (EUD)

sound/soc/codecs/Kconfig

@@ -330,6 +330,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_WM9713
 	imply SND_SOC_WSA881X
 	imply SND_SOC_WSA883X
+	imply SND_SOC_WSA884X
 	imply SND_SOC_ZL38060
 	help
 	  Normally ASoC codec drivers are only built if a machine driver which
@@ -2218,6 +2219,15 @@ config SND_SOC_WSA883X
 	  This enables support for Qualcomm WSA8830/WSA8835 Class-D
 	  Smart Speaker Amplifier.
 
+config SND_SOC_WSA884X
+	tristate "WSA884X Codec"
+	depends on SOUNDWIRE
+	select REGMAP_SOUNDWIRE
+	tristate
+	help
+	  This enables support for Qualcomm WSA8840/WSA8845/WSA8845H Class-D
+	  Smart Speaker Amplifier.
+
 config SND_SOC_ZL38060
 	tristate "Microsemi ZL38060 Connected Home Audio Processor"
 	depends on SPI_MASTER

sound/soc/codecs/Makefile

@@ -366,6 +366,7 @@ snd-soc-wm9713-objs := wm9713.o
 snd-soc-wm-hubs-objs := wm_hubs.o
 snd-soc-wsa881x-objs := wsa881x.o
 snd-soc-wsa883x-objs := wsa883x.o
+snd-soc-wsa884x-objs := wsa884x.o
 snd-soc-zl38060-objs := zl38060.o
 # Amp
 snd-soc-max9877-objs := max9877.o
@@ -747,6 +748,7 @@ obj-$(CONFIG_SND_SOC_WM_ADSP)	+= snd-soc-wm-adsp.o
 obj-$(CONFIG_SND_SOC_WM_HUBS)	+= snd-soc-wm-hubs.o
 obj-$(CONFIG_SND_SOC_WSA881X)	+= snd-soc-wsa881x.o
 obj-$(CONFIG_SND_SOC_WSA883X)	+= snd-soc-wsa883x.o
+obj-$(CONFIG_SND_SOC_WSA884X)	+= snd-soc-wsa884x.o
 obj-$(CONFIG_SND_SOC_ZL38060)	+= snd-soc-zl38060.o
 
 # Amp