ASoC: codecs: Add WCD939x Soundwire devices driver

Add Soundwire Slave driver for the WCD9390/WCD9395 Audio Codec.

The WCD9390/WCD9395 Soundwire devices will be used by the
main WCD9390/WCD9395 Audio Codec driver to access registers
and configure Soundwire RX and TX ports.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://msgid.link/r/20231219-topic-sm8650-upstream-wcd939x-codec-v4-4-1c3bbff2d7ab@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -276,6 +276,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_WCD9335
 	imply SND_SOC_WCD934X
 	imply SND_SOC_WCD938X_SDW
+	imply SND_SOC_WCD939X_SDW
 	imply SND_SOC_LPASS_MACRO_COMMON
 	imply SND_SOC_LPASS_RX_MACRO
 	imply SND_SOC_LPASS_TX_MACRO
@@ -2059,6 +2060,15 @@ config SND_SOC_WCD938X_SDW
 	  The WCD9380/9385 is a audio codec IC Integrated in
 	  Qualcomm SoCs like SM8250.
 
+config SND_SOC_WCD939X_SDW
+	tristate "WCD9390/WCD9395 Codec - SDW"
+	select REGMAP_IRQ
+	depends on SOUNDWIRE
+	select REGMAP_SOUNDWIRE
+	help
+	  The WCD9390/9395 is a audio codec IC Integrated in
+	  Qualcomm SoCs like SM8650.
+
 config SND_SOC_WL1273
 	tristate
 

sound/soc/codecs/Makefile

@@ -313,6 +313,7 @@ snd-soc-wcd9335-objs := wcd9335.o
 snd-soc-wcd934x-objs := wcd934x.o
 snd-soc-wcd938x-objs := wcd938x.o
 snd-soc-wcd938x-sdw-objs := wcd938x-sdw.o
+snd-soc-wcd939x-sdw-objs := wcd939x-sdw.o
 snd-soc-wl1273-objs := wl1273.o
 snd-soc-wm-adsp-objs := wm_adsp.o
 snd-soc-wm0010-objs := wm0010.o