Enable the ADC for AN pins on Mikrobus1 and Mikrobus2 on the board.
These correspond to channels AD6 and AD7 in the controller.
# cat /sys/bus/iio/devices/iio\:device0/in_voltage6_raw
240
# cat /sys/bus/iio/devices/iio\:device0/in_voltage7_raw
16380
Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/at91-sama5d27_som1_ek.dts | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
index a9e6fee55a2a..261a7dbcfdee 100644
--- a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
+++ b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
@@ -224,8 +224,10 @@ i2c1: i2c@fc028000 {
adc: adc@fc030000 {
vddana-supply = <&vddana>;
vref-supply = <&advref>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_mikrobus1_an &pinctrl_mikrobus2_an>;
- status = "disabled";
+ status = "okay";
};
pinctrl@fc038000 {
--
2.25.1
