From: Eugen Hristev Date: Thu, 15 Jun 2017 13:24:55 +0000 (+0300) Subject: Documentation: dt: iio: at91-sama5d2_adc: add hw trigger edge binding X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=6ab6b4ec00d49c7459b823b82709e82543c79781;p=openwrt%2Fstaging%2Fblogic.git Documentation: dt: iio: at91-sama5d2_adc: add hw trigger edge binding Add property for the edge type of the hardware trigger pin ADTRG Signed-off-by: Eugen Hristev Acked-by: Rob Herring Acked-by: Ludovic Desroches Signed-off-by: Jonathan Cameron --- diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt index 3223684a643b..552e7a83951d 100644 --- a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt +++ b/Documentation/devicetree/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 = ; }