ASoC: rt1019: add rt1019 amplifier driver

This is initial amplifier driver for rt1019.
Signed-off-by: Jack Yu <jack.yu@realtek.com>
Link: https://lore.kernel.org/r/20210311025809.31852-1-jack.yu@realtek.comSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/rt1019.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/rt1019.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: RT1019 Mono Class-D Audio Amplifier
+
+maintainers:
+  - jack.yu@realtek.com
+
+properties:
+  compatible:
+    const: realtek,rt1019
+
+  reg:
+    maxItems: 1
+    description: I2C address of the device.
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        rt1019: codec@28 {
+            compatible = "realtek,rt1019";
+            reg = <0x28>;
+        };
+    };

sound/soc/codecs/Kconfig

@@ -161,6 +161,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_RT1011
 	imply SND_SOC_RT1015
 	imply SND_SOC_RT1015P
+	imply SND_SOC_RT1019
 	imply SND_SOC_RT1305
 	imply SND_SOC_RT1308
 	imply SND_SOC_RT5514
@@ -1079,6 +1080,7 @@ config SND_SOC_RL6231
 	default y if SND_SOC_RT1011=y
 	default y if SND_SOC_RT1015=y
 	default y if SND_SOC_RT1015P=y
+	default y if SND_SOC_RT1019=y
 	default y if SND_SOC_RT1305=y
 	default y if SND_SOC_RT1308=y
 	default m if SND_SOC_RT5514=m
@@ -1097,6 +1099,7 @@ config SND_SOC_RL6231
 	default m if SND_SOC_RT1011=m
 	default m if SND_SOC_RT1015=m
 	default m if SND_SOC_RT1015P=m
+	default m if SND_SOC_RT1019=m
 	default m if SND_SOC_RT1305=m
 	default m if SND_SOC_RT1308=m
 
@@ -1133,6 +1136,10 @@ config SND_SOC_RT1015P
 	tristate
 	depends on GPIOLIB
 
+config SND_SOC_RT1019
+	tristate
+	depends on I2C
+
 config SND_SOC_RT1305
 	tristate
 	depends on I2C

sound/soc/codecs/Makefile

@@ -170,6 +170,7 @@ snd-soc-rl6347a-objs := rl6347a.o
 snd-soc-rt1011-objs := rt1011.o
 snd-soc-rt1015-objs := rt1015.o
 snd-soc-rt1015p-objs := rt1015p.o
+snd-soc-rt1019-objs := rt1019.o
 snd-soc-rt1305-objs := rt1305.o
 snd-soc-rt1308-objs := rt1308.o
 snd-soc-rt1308-sdw-objs := rt1308-sdw.o
@@ -487,6 +488,7 @@ 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_RT1015P)	+= snd-soc-rt1015p.o
+obj-$(CONFIG_SND_SOC_RT1019)	+= snd-soc-rt1019.o
 obj-$(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