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dm: adc: Add driver for Rockchip SARADC

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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>
This commit is contained in:
David Wu
2017-09-20 14:28:16 +08:00
committed by Philipp Tomsich
parent 6ca43a58db
commit ae3ed042ed
3 changed files with 193 additions and 0 deletions
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9
drivers/adc/Kconfig
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@@ -28,3 +28,12 @@ config ADC_SANDBOX
- 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