On Sun, 11 Jun 2017 12:24:13 +0100
Jonathan Cameron [off-list ref] wrote:

On Fri, 9 Jun 2017 10:07:17 +0300
Eugen Hristev [off-list ref] wrote:

quoted

Add property for the edge type of the hardware trigger pin ADTRG

Signed-off-by: Eugen Hristev <redacted>  

Hi Eugen,

CC the device tree maintainers and list for devicetree binding changes.

I've added them.   This one is unusual enough it will need and Ack from
that direction (and I prefer to get them even for the trivial patches
when Rob and Mark aren't too busy!)

Sorry, I missed that you had cc'd the list - just noticed it in the
next patch and thought that was odd!

Anyhow, good work - we'll just wait for them to have a chance to look
at it :)

Jonathan

quoted

---
  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 at 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>;
 }  

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