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[3/4] ARM: dts: meson8b: odroidc1: enable the SAR ADC

Message ID 20180913202919.20927-4-martin.blumenstingl@googlemail.com (mailing list archive)
State New, archived
Headers show
Series Meson8b: Odroid-C1 improvements | expand

Commit Message

Martin Blumenstingl Sept. 13, 2018, 8:29 p.m. UTC 
Odroid-C1 exposes ADC channels 0 and 1 on the GPIO headers. NOTE: Due
to the SoC design these are limited to 1.8V (instead of 3.3V like all
other pins).
Enable the SAR ADC to enable voltage measurements on these pins.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
---
 arch/arm/boot/dts/meson8b-odroidc1.dts | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
index a08dccccdb5e..7c1225658567 100644
--- a/arch/arm/boot/dts/meson8b-odroidc1.dts
+++ b/arch/arm/boot/dts/meson8b-odroidc1.dts
@@ -246,6 +246,11 @@ 
 	pinctrl-names = "default";
 };
 
+&saradc {
+	status = "okay";
+	vref-supply = <&vcc_1v8>;
+};
+
 &sdio {
 	status = "okay";