ASoC: codecs: Add jz4770-codec driver

Add jz4770-codec driver to support the internal CODEC found in the
JZ4770 SoC from Ingenic.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Maarten ter Huurne <maarten@treewalker.org>
Link: https://lore.kernel.org/r/20191224002708.1207884-2-paul@crapouillou.netSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -101,6 +101,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_ISABELLE if I2C
 	select SND_SOC_JZ4740_CODEC
 	select SND_SOC_JZ4725B_CODEC
+	select SND_SOC_JZ4770_CODEC
 	select SND_SOC_LM4857 if I2C
 	select SND_SOC_LM49453 if I2C
 	select SND_SOC_LOCHNAGAR_SC if MFD_LOCHNAGAR
@@ -678,6 +679,17 @@ config SND_SOC_JZ4725B_CODEC
 	  This driver can also be built as a module. If so, the module
 	  will be called snd-soc-jz4725b-codec.
 
+config SND_SOC_JZ4770_CODEC
+	depends on MIPS || COMPILE_TEST
+	select REGMAP
+	tristate "Ingenic JZ4770 internal CODEC"
+	help
+	  Enable support for the internal CODEC found in the JZ4770 SoC
+	  from Ingenic.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called snd-soc-jz4770-codec.
+
 config SND_SOC_L3
        tristate
 

sound/soc/codecs/Makefile

@@ -97,6 +97,7 @@ snd-soc-inno-rk3036-objs := inno_rk3036.o
 snd-soc-isabelle-objs := isabelle.o
 snd-soc-jz4740-codec-objs := jz4740.o
 snd-soc-jz4725b-codec-objs := jz4725b.o
+snd-soc-jz4770-codec-objs := jz4770.o
 snd-soc-l3-objs := l3.o
 snd-soc-lm4857-objs := lm4857.o
 snd-soc-lm49453-objs := lm49453.o
@@ -392,6 +393,7 @@ obj-$(CONFIG_SND_SOC_INNO_RK3036)	+= snd-soc-inno-rk3036.o
 obj-$(CONFIG_SND_SOC_ISABELLE)	+= snd-soc-isabelle.o
 obj-$(CONFIG_SND_SOC_JZ4740_CODEC)	+= snd-soc-jz4740-codec.o
 obj-$(CONFIG_SND_SOC_JZ4725B_CODEC)	+= snd-soc-jz4725b-codec.o
+obj-$(CONFIG_SND_SOC_JZ4770_CODEC)	+= snd-soc-jz4770-codec.o
 obj-$(CONFIG_SND_SOC_L3)	+= snd-soc-l3.o
 obj-$(CONFIG_SND_SOC_LM4857)	+= snd-soc-lm4857.o
 obj-$(CONFIG_SND_SOC_LM49453)   += snd-soc-lm49453.o