Add support for reading the ADCIN pin of the ADC unit on JZ4740 SoCs.
Signed-off-by: NLars-Peter Clausen <lars@metafoo.de>
Cc: lm-sensors@lm-sensors.org
Acked-by: NJean Delvare <khali@linux-fr.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/1425/Signed-off-by: NAxel Lin <axel.lin@gmail.com>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>