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Groups > linux.kernel > #1661990
| From | Eugen Hristev <eugen.hristev@microchip.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v4 2/4] Documentation: dt: iio: at91-sama5d2_adc: add hw trigger edge binding |
| Date | 2017-06-09 09:10 +0200 |
| Message-ID | <tQmds-6TG-7@gated-at.bofh.it> (permalink) |
| References | <tQmds-6TG-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Add property for the edge type of the hardware trigger pin ADTRG
Signed-off-by: Eugen Hristev <eugen.hristev@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
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[PATCH v4 2/4] Documentation: dt: iio: at91-sama5d2_adc: add hw trigger edge binding Eugen Hristev <eugen.hristev@microchip.com> - 2017-06-09 09:10 +0200 Re: [PATCH v4 2/4] Documentation: dt: iio: at91-sama5d2_adc: add hw trigger edge binding Jonathan Cameron <jic23@jic23.retrosnub.co.uk> - 2017-06-11 13:30 +0200 Re: [PATCH v4 2/4] Documentation: dt: iio: at91-sama5d2_adc: add hw trigger edge binding Jonathan Cameron <jic23@kernel.org> - 2017-06-11 13:30 +0200 Re: [PATCH v4 2/4] Documentation: dt: iio: at91-sama5d2_adc: add hw trigger edge binding Rob Herring <robh@kernel.org> - 2017-06-14 17:40 +0200
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