ASoC SSM3515 codec driver

Merge series from Martin Povišer <povik+lin@cutebit.org>:

Analog Devices SSM3515 is a simple speaker amp that Apple is
using in their 2021 iMacs, possibly elsewhere.

Documentation/devicetree/bindings/sound/adi,ssm3515.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/adi,ssm3515.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices SSM3515 Audio Amplifier
+
+maintainers:
+  - Martin Povišer <povik+lin@cutebit.org>
+
+description: |
+  SSM3515 is a mono Class-D audio amplifier with digital input.
+
+  https://www.analog.com/media/en/technical-documentation/data-sheets/SSM3515.pdf
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    enum:
+      - adi,ssm3515
+
+  reg:
+    maxItems: 1
+
+  '#sound-dai-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      codec@14 {
+        compatible = "adi,ssm3515";
+        reg = <0x14>;
+        #sound-dai-cells = <0>;
+        sound-name-prefix = "Left Tweeter";
+      };
+    };

MAINTAINERS

@@ -1990,9 +1990,11 @@ M:	Martin Povišer <povik+lin@cutebit.org>
 L:	asahi@lists.linux.dev
 L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
 S:	Maintained
+F:	Documentation/devicetree/bindings/sound/adi,ssm3515.yaml
 F:	Documentation/devicetree/bindings/sound/apple,*
 F:	sound/soc/apple/*
 F:	sound/soc/codecs/cs42l83-i2c.c
+F:	sound/soc/codecs/ssm3515.c
 
 ARM/ARTPEC MACHINE SUPPORT
 M:	Jesper Nilsson <jesper.nilsson@axis.com>

sound/soc/codecs/Kconfig

@@ -1659,6 +1659,12 @@ config SND_SOC_SSM2602_I2C
 	select SND_SOC_SSM2602
 	select REGMAP_I2C
 
+config SND_SOC_SSM3515
+	tristate "Analog Devices SSM3515 amplifier driver"
+	select REGMAP_I2C
+	depends on I2C
+	depends on OF
+
 config SND_SOC_SSM4567
 	tristate "Analog Devices ssm4567 amplifier driver support"
 	depends on I2C

sound/soc/codecs/Makefile

@@ -257,6 +257,7 @@ snd-soc-ssm2518-objs := ssm2518.o
 snd-soc-ssm2602-objs := ssm2602.o
 snd-soc-ssm2602-spi-objs := ssm2602-spi.o
 snd-soc-ssm2602-i2c-objs := ssm2602-i2c.o
+snd-soc-ssm3515-objs := ssm3515.o
 snd-soc-ssm4567-objs := ssm4567.o
 snd-soc-sta32x-objs := sta32x.o
 snd-soc-sta350-objs := sta350.o
@@ -625,6 +626,7 @@ obj-$(CONFIG_SND_SOC_SSM2518)	+= snd-soc-ssm2518.o
 obj-$(CONFIG_SND_SOC_SSM2602)	+= snd-soc-ssm2602.o
 obj-$(CONFIG_SND_SOC_SSM2602_SPI)	+= snd-soc-ssm2602-spi.o
 obj-$(CONFIG_SND_SOC_SSM2602_I2C)	+= snd-soc-ssm2602-i2c.o
+obj-$(CONFIG_SND_SOC_SSM3515)	+= snd-soc-ssm3515.o
 obj-$(CONFIG_SND_SOC_SSM4567)	+= snd-soc-ssm4567.o
 obj-$(CONFIG_SND_SOC_STA32X)   += snd-soc-sta32x.o
 obj-$(CONFIG_SND_SOC_STA350)   += snd-soc-sta350.o