ASoC: ssm2602: add device tree bindings

Allow the ssm2602/ssm2603/ssm2604 codec driver to be
instantiated from the device tree.

Also, add Kconfig prompts to allow manual selection of both the
I2C and SPI configuration versions of the driver.

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>

1 files changed, 6 insertions, 2 deletions

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 8838838e25ed..3649e7399ec7 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -520,12 +520,16 @@ config SND_SOC_SSM2602
         tristate
 
 config SND_SOC_SSM2602_SPI
+        tristate "Analog Devices SSM2602 CODEC - SPI"
+        depends on SPI_MASTER
         select SND_SOC_SSM2602
-        tristate
+        select REGMAP_SPI
 
 config SND_SOC_SSM2602_I2C
+        tristate "Analog Devices SSM2602 CODEC - I2C"
+        depends on I2C
         select SND_SOC_SSM2602
-        tristate
+        select REGMAP_I2C
 
 config SND_SOC_STA32X
         tristate