dm: adc: Add driver for Rockchip SARADC
The ADC can support some channels signal-ended some bits Successive Approximation
Register (SAR) A/D Converter, like 6-channel and 10-bit. It converts the analog
input signal into some bits binary digital codes.
Signed-off-by: David Wu <david.wu@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/drivers/adc/Kconfig b/drivers/adc/Kconfig
index e5335f7..8094420 100644
--- a/drivers/adc/Kconfig
+++ b/drivers/adc/Kconfig
@@ -28,3 +28,12 @@
- 4 analog input channels
- 16-bit resolution
- single and multi-channel conversion mode
+
+config SARADC_ROCKCHIP
+ bool "Enable Rockchip SARADC driver"
+ help
+ This enables driver for Rockchip SARADC.
+ It provides:
+ - 2~6 analog input channels
+ - 1O or 12 bits resolution
+ - Up to 1MSPS of sample rate