From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugen Hristev Subject: [PATCH v4 2/4] Documentation: dt: iio: at91-sama5d2_adc: add hw trigger edge binding Date: Fri, 9 Jun 2017 10:07:17 +0300 Message-ID: <1496992039-17964-3-git-send-email-eugen.hristev@microchip.com> References: <1496992039-17964-1-git-send-email-eugen.hristev@microchip.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1496992039-17964-1-git-send-email-eugen.hristev@microchip.com> Sender: linux-kernel-owner@vger.kernel.org To: nicolas.ferre@microchip.com, alexandre.belloni@free-electrons.com, linux-iio@vger.kernel.org, lars@metafoo.de, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ludovic.desroches@microchip.com, jic23@kernel.org Cc: eugen.hristev@microchip.com List-Id: devicetree@vger.kernel.org Add property for the edge type of the hardware trigger pin ADTRG Signed-off-by: Eugen Hristev --- Changes in v4: - Modified bindings to be similar with interrupts Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt index 3223684..552e7a8 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 = ; } -- 2.7.4