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-rw-r--r--dts/Bindings/iio/adc/at91-sama5d2_adc.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/dts/Bindings/iio/adc/at91-sama5d2_adc.txt b/dts/Bindings/iio/adc/at91-sama5d2_adc.txt
index 3223684a64..552e7a8395 100644
--- a/dts/Bindings/iio/adc/at91-sama5d2_adc.txt
+++ b/dts/Bindings/iio/adc/at91-sama5d2_adc.txt
@@ -11,6 +11,11 @@ Required properties:
- atmel,min-sample-rate-hz: Minimum sampling rate, it depends on SoC.
- atmel,max-sample-rate-hz: Maximum sampling rate, it depends on SoC.
- atmel,startup-time-ms: Startup time expressed in ms, it depends on SoC.
+ - atmel,trigger-edge-type: One of possible edge types for the ADTRG hardware
+ trigger pin. When the specific edge type is detected, the conversion will
+ start. Possible values are rising, falling, or both.
+ This property uses the IRQ edge types values: IRQ_TYPE_EDGE_RISING ,
+ IRQ_TYPE_EDGE_FALLING or IRQ_TYPE_EDGE_BOTH
Example:
@@ -25,4 +30,5 @@ adc: adc@fc030000 {
atmel,startup-time-ms = <4>;
vddana-supply = <&vdd_3v3_lp_reg>;
vref-supply = <&vdd_3v3_lp_reg>;
+ atmel,trigger-edge-type = <IRQ_TYPE_EDGE_BOTH>;
}