ASoC: rt1015: add rt1015 amplifier driver

This is initial amplifier driver for rt1015.
Signed-off-by: Jack Yu <jack.yu@realtek.com>
Link: https://lore.kernel.org/r/20200115112519.22050-1-jack.yu@realtek.comSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/rt1015.txt

+RT1015 Mono Class D Audio Amplifier
+
+This device supports I2C only.
+
+Required properties:
+
+- compatible : "realtek,rt1015".
+
+- reg : The I2C address of the device.
+
+
+Example:
+
+rt1015: codec@28 {
+	compatible = "realtek,rt1015";
+	reg = <0x28>;
+};

sound/soc/codecs/Kconfig

@@ -151,6 +151,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_RT286 if I2C
 	select SND_SOC_RT298 if I2C
 	select SND_SOC_RT1011 if I2C
+	select SND_SOC_RT1015 if I2C
 	select SND_SOC_RT1305 if I2C
 	select SND_SOC_RT1308 if I2C
 	select SND_SOC_RT5514 if I2C
@@ -970,6 +971,7 @@ config SND_SOC_RL6231
 	default y if SND_SOC_RT5677=y
 	default y if SND_SOC_RT5682=y
 	default y if SND_SOC_RT1011=y
+	default y if SND_SOC_RT1015=y
 	default y if SND_SOC_RT1305=y
 	default y if SND_SOC_RT1308=y
 	default m if SND_SOC_RT5514=m
@@ -986,6 +988,7 @@ config SND_SOC_RL6231
 	default m if SND_SOC_RT5677=m
 	default m if SND_SOC_RT5682=m
 	default m if SND_SOC_RT1011=m
+	default m if SND_SOC_RT1015=m
 	default m if SND_SOC_RT1305=m
 	default m if SND_SOC_RT1308=m
 
@@ -1013,6 +1016,9 @@ config SND_SOC_RT298
 config SND_SOC_RT1011
 	tristate
 
+config SND_SOC_RT1015
+	tristate
+
 config SND_SOC_RT1305
 	tristate
 

sound/soc/codecs/Makefile

@@ -154,6 +154,7 @@ snd-soc-rk3328-objs := rk3328_codec.o
 snd-soc-rl6231-objs := rl6231.o
 snd-soc-rl6347a-objs := rl6347a.o
 snd-soc-rt1011-objs := rt1011.o
+snd-soc-rt1015-objs := rt1015.o
 snd-soc-rt1305-objs := rt1305.o
 snd-soc-rt1308-objs := rt1308.o
 snd-soc-rt1308-sdw-objs := rt1308-sdw.o
@@ -451,6 +452,7 @@ obj-$(CONFIG_SND_SOC_RK3328)	+= snd-soc-rk3328.o
 obj-$(CONFIG_SND_SOC_RL6231)	+= snd-soc-rl6231.o
 obj-$(CONFIG_SND_SOC_RL6347A)	+= snd-soc-rl6347a.o
 obj-$(CONFIG_SND_SOC_RT1011)	+= snd-soc-rt1011.o
+obj-$(CONFIG_SND_SOC_RT1015)	+= snd-soc-rt1015.o
 obj-$(CONFIG_SND_SOC_RT1305)	+= snd-soc-rt1305.o
 obj-$(CONFIG_SND_SOC_RT1308)	+= snd-soc-rt1308.o
 obj-$(CONFIG_SND_SOC_RT1308_SDW)	+= snd-soc-rt1308-sdw.o