lkml.org 
[lkml]   [2017]   [Jun]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v5 2/4] Documentation: dt: iio: at91-sama5d2_adc: add hw trigger edge binding
Date
Add property for the edge type of the hardware trigger pin ADTRG

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
---
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 = <IRQ_TYPE_EDGE_BOTH>;
}
--
2.7.4
\
 
 \ /
  Last update: 2017-06-15 15:31    [W:0.056 / U:0.412 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site