diff mbox series

[v2,10/10] ARM: dts: at91: sama7g5ek: enable ADC on the board

Message ID 20210824115441.681253-11-eugen.hristev@microchip.com (mailing list archive)
State New, archived
Headers show
Series iio: adc: at91-sama5d2_adc: add support for sama7g5 | expand

Commit Message

Eugen Hristev Aug. 24, 2021, 11:54 a.m. UTC 
The ADC controller on the board is fed by a 2.5V reference voltage.
By default the channels #14 and #15 are dedicated to analog input
(marked AN on the board), on the connectors mikrobus1 and mikrobus2.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
 arch/arm/boot/dts/at91-sama7g5ek.dts | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/at91-sama7g5ek.dts b/arch/arm/boot/dts/at91-sama7g5ek.dts
index 4cbed98cc2f4..c46be165f2ba 100644
--- a/arch/arm/boot/dts/at91-sama7g5ek.dts
+++ b/arch/arm/boot/dts/at91-sama7g5ek.dts
@@ -122,6 +122,14 @@  spdif_out: spdif-out {
 	};
 };
 
+&adc {
+	vddana-supply = <&vddout25>;
+	vref-supply = <&vddout25>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_mikrobus1_an_default &pinctrl_mikrobus2_an_default>;
+	status = "okay";
+};
+
 &cpu0 {
 	cpu-supply = <&vddcpu>;
 };