ASoC: starfive: Add JH7110 PWM-DAC driver

Add PWM-DAC driver support for the StarFive JH7110 SoC.
Reviewed-by: Walker Chen <walker.chen@starfivetech.com>
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
Link: https://lore.kernel.org/r/20230814080618.10036-3-hal.feng@starfivetech.comSigned-off-by: Mark Brown <broonie@kernel.org>

MAINTAINERS

@@ -20466,6 +20466,13 @@ S:	Supported
 F:	Documentation/devicetree/bindings/clock/starfive,jh7110-pll.yaml
 F:	drivers/clk/starfive/clk-starfive-jh7110-pll.c
 
+STARFIVE JH7110 PWMDAC DRIVER
+M:	Hal Feng <hal.feng@starfivetech.com>
+M:	Xingyu Wu <xingyu.wu@starfivetech.com>
+S:	Supported
+F:	Documentation/devicetree/bindings/sound/starfive,jh7110-pwmdac.yaml
+F:	sound/soc/starfive/jh7110_pwmdac.c
+
 STARFIVE JH7110 SYSCON
 M:	William Qiu <william.qiu@starfivetech.com>
 M:	Xingyu Wu <xingyu.wu@starfivetech.com>

sound/soc/starfive/Kconfig

@@ -7,6 +7,15 @@ config SND_SOC_STARFIVE
 	  the Starfive SoCs' Audio interfaces. You will also need to
 	  select the audio interfaces to support below.
 
+config SND_SOC_JH7110_PWMDAC
+	tristate "JH7110 PWM-DAC device driver"
+	depends on HAVE_CLK && SND_SOC_STARFIVE
+	select SND_SOC_GENERIC_DMAENGINE_PCM
+	select SND_SOC_SPDIF
+	help
+	 Say Y or M if you want to add support for StarFive JH7110
+	 PWM-DAC driver.
+
 config SND_SOC_JH7110_TDM
 	tristate "JH7110 TDM device driver"
 	depends on HAVE_CLK && SND_SOC_STARFIVE

sound/soc/starfive/Makefile

 # StarFive Platform Support
+obj-$(CONFIG_SND_SOC_JH7110_PWMDAC) += jh7110_pwmdac.o
 obj-$(CONFIG_SND_SOC_JH7110_TDM) += jh7110_tdm.o